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2014–2015 EDITION

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100 Tested and Recommended for California Get access to extensive online resources at .ucdavis.edu About the Arboretum Do you need help All-Stars Program picking plants for your The Arboretum All-Stars program is a joint project of the sustainable home ? UC Davis Arboretum and the California Center for Urban Selecting from this list of 100 Arboretum (CCUH) in collaboration with other partners throughout the state. Together they are working to help you, All-Stars is an easy way to start making the home , make eco-friendly choices that will “green” choices for your great looking garden. enhance the beauty and sustainability of your landscape. What is an Arboretum All-Star? Arboretum All-Stars are top plants recommended by the horticultural staff of the UC Davis Arboretum. They thrive in California’s Mediterranean climate and have qualities that make them great choices for sustainable home gardens. About the UC Davis Arboretum What makes a plant an The UC Davis Arboretum is a 100 acre public garden and Arboretum All-Star? living museum located on the campus of UC Davis – it’s free Each All-Star plant must have the following features: and open to the public every day of the year. The Arboretum is a leader in practicing, promoting and teaching about sustain- • Attractive for most of the year able horticulture for California’s Central Valley and beyond. • Thrives in California’s Mediterranean climate Home rely on the Arboretum for eco-friendly garden- ing advice, demonstrations and workshops. Visitors of all ages • Tested in the UC Davis Arboretum attend classes, take guided tours, participate in art experiences Many All-Stars also have one or in the gardens or simply enjoy the beauty of the Arboretum. more of the following features:

Visit us at arboretum.ucdavis.edu • Low maintenance • Drought tolerant • Attracts beneficial wildlife, including pollinator insects • Power line friendly* About CCUH Online Resources Additional resources about UC Davis Arboretum The California Center for ’s mission is to help All-Stars are available at: Californians develop sustainable gardens, landscapes and public parks with timely horticultural information. The Center http://arboretum.ucdavis.edu/arboretum_all_stars.aspx is located at the University of California, Davis, and draws There you will find: upon the knowledge and expertise of partners in academia, industry and the public. CCUH coordinates public programs, • A searchable plant database for you to pick the workshops, demonstration gardens and research to provide perfect All-Star for your garden conditions Californians with horticultural information to create and main- • An audio slide show tain environmentally sound landscapes. Visit us at ccuh.ucdavis.edu • A list of retailers that sell many Arboretum All-Stars • All-Star planting plans

Original design of this booklet made possible through grants from the • Information about planting and caring for Arboretum All-Stars Institute of Museum and Library Services and the UC Davis Office of • A digital version of this booklet Administration. Thanks to the photographers who contributed to this booklet. All photos • Regionally specific plant lists are copyrighted and the copyright holders are: Clyde Elmore, Lady Anne *Pacific Gas and Electric Company recommends planting that is power line friendly (www.packrat_pro.com), Saxon Holt, www.maggiesgarden.com, in areas near power distribution lines. Power line friendly plantings grow to a mature height of Valarie MacDonald (www.davesgarden.com), and the UC Davis Arboretum. 25 feet or less.

2 3 DEFINITION OF TERMS

PLANT AND SIZE Will Arboretum All-Stars For specific height and weight estimates, contact your local nursery professional. grow in my area? PERENNIALS Perennials are long-lived, soft-stemmed plants that don’t Arboretum All-Stars grow well in California’s form woody branches. This category includes ornamental grasses, ferns, succulents, bulbs, and other showy Mediterranean climate. All of the plants flowering plants. Many perennials need seasonal care have been grown and tested at the UC Davis such as removing spent blossoms or cutting back dormant Arboretum and field trials of All-Stars are stems to the ground. Small perennial - Grows to 1 foot or less being conducted in test gardens throughout Snowy River wattle Snowy River wattle Acacia boormanii Acacia boormanii Medium perennial - Grows 1-3 feet tall PLANT TYPE the state. Please refer to Sunset climate zones HEIGHT 10-15 ft. WIDTH BLOOM SEASON 6-10 ft. Large perennial - Grows over 3 feet tall February-March PLACEMENT listed to help determine which plants will grow full sun or part shade WATER NEEDS water deeply GROUNDCOVERSonce or twice Groundcovers are low-growing plants that can spread best in your area. Visit www.sunset.com to NEEDS a month little or none; prune to shape NATIVE TO to cover a wide area. southeast SUNSET ZONE learn more about Sunset climate zones and find 8-9, 12-24 This is a great small-stature tree. It will Vines can climb fences or other structures to create a brighten up your and is heat Visit us at your zone. arboretum.ucdavis.edu tolerant and water conserving. Its pollen is for more information. not likely to cause allergies. living screen. Many vines can also grow on the ground Purchasing UC Davis Arboretum All-Stars supports the educational programs of the UC Davis Arboretum to form a groundcover. and the California Center for Urban Horticulture.

SHRUBS are woody plants that stay below 15 feet tall.

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A0000-000 Where can I see 000.000 Shrubs tend to have deeper systems than perennials Arboretum All-Stars? and many boast showy . They form the foundation You can see Arboretum All-Stars and structure of a drought-tolerant garden. Design & Shape Notes Small - Grows to 4 feet or less growing throughout the gardens Magentaof linethe is the bleed line. Any art that is to bleed must extend to this line. Black line is the cut line. Gray line is the 1/16th line. All text must remain inside this line. Medium shrub - Grows 4-6 feet tall UC Davis Arboretum. Many All-StarsThe 3 sets of numbers in the bottom portion of the label must remain. The logos on the back of the label must remain. Do not move or delete. Do not move or delete. Large shrub - Grows 6-15 feet tall in the Arboretum are identified Only usewith postscript fontsbeautiful, and fonts must be provided upon art submission. Provide any associated art or photos used in design. Vector files must be saved as Illustrator CS eps files. brightly colored signs, each with a photo of the Trees are woody plants that have a single trunk or multiple trunks that grow to 15 or more feet tall. Trees less plant in bloom, a list of its outstanding qualities and than 25 feet tall are considered power line friendly. information on how to grow it. Also, look for metal Small tree - Grows 15-20 feet tall plant labels with the All-Stars logo. The Arboretum is free and Medium tree - Grows 20-40 feet tall open to the public every day of the year and free public tours Large tree - Grows over 40 feet tall and programs are scheduled on many weekends. For a map of the Arboretum gardens, information on planning your visit WATER NEEDS and a list of upcoming public events, please visit arboretum.ucdavis.edu VERY LOW Water deeply once a month during the dry season LOW Water deeply every two weeks during the dry season

Where can I purchase MEDIUM Note:Water no deeply extra wateronce aneeded week during rainythe dry season season Arboretum All-Stars? Many Arboretum All-Stars are avail- EXPOSURE able for sale at selected retail garden FULL SUN Plant requires direct sunlight for most of the day. centers participating in the Arboretum All-Stars program. For a complete list of participating garden FULL SUN OR Plant will do well in direct sunlight for most of the day or

centers in your area and a searchable plant database to help PART SHADE shade for part of the day. Plant can tolerate exposure to hot afternoon sun. you find the perfect plant for your garden, visit the Arboretum All-Stars resource pages at: arboretum.ucdavis.edu/ PART SHADE Plant will do well in dappled shade. Plant will tolerate arboretum_all_stars.aspx. sun exposure in the morning but must be protected from hot afternoon sun. Arboretum All-Stars can also be purchased at public plant sales held at the UC Davis Arboretum Teaching Nursery each PART SHADE Plant will do well in dappled shade or full shade. Plant OR SHADE will tolerate some sun exposure in the morning but must spring and fall. The Arboretum also offers Tour and Shop be protected from hot afternoon sun. programs for garden clubs, Master Gardener chapters and other special interest groups. These programs include a tour in SHADE Plant requires full shade. Plant will do best if it never gets direct sun exposure during the hot summer months. the Arboretum gardens followed by time for shopping in the Arboretum Teaching Nursery. Please contact the Arboretum ARBORETUM LOCATION at (530) 752-4880 or [email protected] for more AUST Australian Collection EASI East Asian Collection information about the Tour and Shop program. ACAC Acacia Grove MWB Mary Wattis Brown Garden (California Native Plants) TERR Arboretum Terrace Garden MEDI Mediterranean Collection NURS Arboretum Teaching Nursery STOR Ruth Risdon Storer Garden - a Valley-Wise Garden CONI Collection SWUS Southwest USA Collection DESE Desert Collection GAZE White Garden (Gazebo) 4 5 Want Ideas for Designing with Preparation • Identify a planting location with the correct amount of sun or All-Stars? shade for your plant. Creating a landscape design can be challenging, whether • Dig planting hole as shown in diagram. Make hole just deep you’re starting from scratch or improving an existing garden. enough so top of plant’s will be even with, or slightly (1/4” Visit arboretum.ucdavis.edu to download free All-Star to 1/2”) above, the level of the surrounding soil. If soil in plant- planting plans for your home garden. Plans feature a California ing hole is hard, loosen it with a shovel but leave a base of firm, native garden, low-maintenance garden, and a wildlife- undisturbed soil in the center of the planting hole. attracting garden using a variety of Arboretum All-Stars. Planting How do I plant and care for • Tap pot firmly on sides and bottom to loosen root ball. Slide plant out of pot. Gently loosen exposed roots, especially if Arboretum All-Stars? thickly matted. Arboretum All-Stars are low-maintenance plants that require only • Place plant in center of hole, spreading roots out over firm soil a little regular care once they are established. Getting them off to base. a good start in your garden will provide you with many years of enjoyment. Please refer to the basic planting instructions below. • Backfill using original soil from hole. Add the soil in several stages, breaking up large chunks. Use your hands to firm soil around the roots at each stage. • Once hole is filled, use any extra soil to make a berm of soil around the plant as shown. This berm will hold water in a basin around the plant. Water gently and thoroughly immediately after planting. • Spread a layer of around plant to help keep roots cool and retain moisture. When planting trees and shrubs, leave a 2-inch gap between stem or trunk of plant and mulch ring.

Establishment and Maintenance • In fall, cooler temperatures help plants establish quickly and Leave top of plant’s roots even with Spread layer of mulch to keep rains keep new plants watered. For spring planting, or during a or slightly above (1/4 to 1/2”) the roots cool and retain moisture. level of the surrounding soil. dry fall, all new plants need frequent irrigation at first (every two to three days if it’s warm). After a few weeks, change to twice a week watering until weather cools and rains begin. Make a shallow berm • During first season after planting, monitor your new plants of soil that will hold water in a basin. regularly for signs of wilting and give extra water as needed. Do not let plants dry out while they are becoming established. Even drought-tolerant plants need regular water at first. Leave an area of firm, undis- turbed soil in the center and • Once plants are established, follow regular pruning and spread roots out over this base. watering recommendations for each . Kathy West

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water Size Bloom Season Exposure Pruning Needs Water Needs Instructions PERENNIALS Achillea millefolium ‘Island Pink’ – island pink MWB medium spring, remove old water deeply yarrow: California native plant; colorful pink flowers in spring, summer, flower stalks; every one to fall divide when two weeks summer, and fall make good ; ferny green foliage will A1-A3: spread; flowers attract butterflies and beneficial insects. 1-24 clumps get crowded

Aquilegia eximia – serpentine columbine: California MWB medium spring, remove old water deeply native plant; larger and showier than most columbines; summer flower stalks every one to attractive delicate foliage in basal mound; attracts A1-A3: and foliage in two weeks hummingbirds. 1-11, the fall 14-24

Aster ‘Purple Dome’ – purple dome Michaelmas TERR medium summer cut to ground water deeply daisy: This dwarf daisy has deep-violet flowers in late summer; in winter to every one to attractive to butterflies and beneficial insects; resists mildew renew two weeks and tolerates wet soils. 1-24

Bergenia crassifolia – pigsqueak: Dense clusters of STOR small winter remove old water deeply pink flowers bloom in winter and early spring; classic California flower stalks every one to garden plant for dry or moist shady border; broad, shiny A1-A3: two weeks provide textural contrast to small-leaved plants; attracts 1-9, 12-24 beneficial insects.

Bletilla striata – Chinese ground orchid: Easiest orchid EASI medium spring cut stems water deeply to grow in the Central Valley and plants spread to form small to ground in every one to winter for tidy two weeks colonies over time; tough and hardy perennial that blooms 2B-9, dependably in shady gardens; vivid coloration and unusual 12-24: appearance shape give a tropical effect; attracts beneficial insects.

Bouteloua gracilis – blue grama grass: California MWB medium summer, mow once in water deeply native plant; green flowers age to tan by the end of the summer; fall late fall or every two 1-3, winter to weeks retains tidy, upright shape even when dormant. 7-11, 14, renew 18-21

Bulbine frutescens – Cape balsam: Small, evergreen NURS, medium spring, remove old water deeply perennial is a wonderful addition to dry perennial borders STOR summer, flower stalks once or twice a with its long-blooming spikes of delicate, star-shaped yellow fall for tidy month flowers; fleshy, bright green foliage adds a sculptural element 8, 9, appearance to the garden; tolerates drought and poor soils. 12-24

Calamagrostis × acutiflora ‘Karl Foerster’ – TERR, large spring, cut to ground water deeply Karl Foerster feather reed grass: Attractive, upright dark STOR summer in winter every one to green foliage; fluffy blooms in spring turn into attractive buff two weeks spikes that last all summer and fall; a vertical plant that 2B-24 performs well in narrow spaces.

Cyclamen hederifolium – ivy cyclamen: Scented TERR small summer, little or none water deeply rose-pink or white flowers bloom in late summer and early fall fall once or twice a month before the leaves emerge; ornamental silver-marked foliage 2-9, sparkles in dry shady gardens; tolerates a wide variety of soil 14-24 types and can also grow well in containers.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions PERENNIALS Cyrtomium falcatum – Japanese fern: EASI, medium none little or none; water deeply Evergreen fern with dramatic, dark-green glossy fronds that TERR, remove old every one to resemble holly leaves; provides a lush look in dark shady areas GAZE fronds for tidy two weeks of the garden; can tolerate high-mineral irrigation water. appearance 5-9, 14-24

Echeveria ‘Imbricata’ – hen and chicks: Lovely, STOR small spring remove old water deeply drought-tolerant edging plant for partial shade; sculptural flower stalks every two foliage rosettes look like blue-green succulent “flowers;” 8, 9: weeks spreads by producing plantlets that slowly form a groundcover. 12-24

Epilobium canum – California fuchsia: California MWB medium summer, cut to ground water deeply native plant; easy to grow and tolerates heat and drought; fall after flowering once or twice a different varieties can have narrow or broad leaves that range 2-11, in late fall month from silver to bright green. 14-24

Erigeron karvinskianus – Santa Barbara daisy: GAZE small spring, cut to ground water deeply Good in containers or for trailing over a wall; spreads sparingly summer, in winter to every two by seed in the garden; blooms profusely from spring through 8-11, fall renew weeks fall; attracts butterflies and beneficial insects. 12-24

Erigeron ‘W.R.’ – Wayne Roderick seaside daisy: TERR, small spring, remove old water deeply California native plant; flowers through the spring, MWB summer, flower stalks every one to summer, and fall; long-blooming daisy for home gardens; fall two weeks attracts butterflies and beneficial insects. 1-9, 14-24

Festuca californica – California fescue: California MWB medium spring remove old water deeply native plant; tolerates summer drought and various soil types, flower stalks every two and is long lived; has graceful, gray-green leaves and airy 4-9, in fall for tidy weeks in sun, flowers that mature to a golden yellow color. 14-24 appearance once a month in shade

Helleborus argutifolius – Corsican hellebore: Long- NURS, medium winter, remove old water deeply lasting, pale-green flowers brighten the winter garden; needs GAZE spring flower stalks in once or twice a little maintenance and tolerates dry shade; stiff, gray-green summer for tidy month foliage adds sculptural interest to the garden year round. 3B-9, appearance 14-24

Helleborus × hybridus – lenten rose: Requires little TERR, small winter, remove old water deeply maintenance and tolerates semi-dry shade; evergreen foliage STOR spring flower stalks every one to looks good all year; nodding, rose-like flowers brighten winter in fall two weeks gardens. 2B-10, 14-24

Heuchera ‘Lillian’s Pink’ – Lillian’s pink coral bells: MWB, medium spring remove old water deeply California native plant; bright pink flowers attract bees and TERR flower stalks every two hummingbirds; excellent groundcover for small shady areas weeks or borders.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions PERENNIALS Heuchera maxima – island alumroot: California native MWB medium spring remove old water deeply plant; a good informal groundcover for dry shade; tolerates flower stalks every two heavy clay soils; frilly green leaves look good all year. weeks 15-24

Heuchera ‘Rosada’ – rosada coral bells: California MWB, medium spring remove old water deeply native plant; one of the best flowering perennials for dry shade; STOR flower stalks every two introduced to the nursery trade by the UC Davis Arboretum. weeks

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Hunnemannia fumariifolia – Mexican : STOR medium spring, cut back old water deeply Bright yellow poppy flowers bloom spring through fall; bushy summer, flower stalks for once or twice a perennial with lacy, gray-green foliage; heat and drought fall tidy appearance month 1-24: and prolonged tolerant with seeds that grow to replace the mother plant. H1, H2 bloom

Iris ‘Canyon Snow’ – canyon snow Pacific iris: TERR, medium spring little or none; water deeply California native plant; most dependable hybrid iris of the MWB can dig up and every two Pacific coast; white orchid-like flowers light up shady gardens; divide in fall weeks grows with little maintenance; narrow leaves form an attractive 4-9, evergreen, grass-like mound. 14-24

Kniphofia ‘Christmas Cheer’ – Christmas cheer STOR large winter remove old water deeply poker plant: Dramatic plant brightens up the winter garden; flower stalks every two at the top of its tall flowering stems, brilliant orange buds open 2-9, weeks to deep-gold tubular flowers; long, narrow leaves form an 14-24 attractive, medium-large clump over time; attracts hummingbirds.

Miscanthus sinensis (dwarf varieties) – STOR large summer cut to ground water deeply Japanese silver grass: Leaves may turn red, orange, and in winter every two yellow in the fall; many varieties are available, with different weeks 2-24 leaf patterns and a range of sizes; thrives in clay soil.

Muhlenbergia dubia – muhly: STOR medium summer cut to ground water deeply Great accent plant for a low-; requires little every three every two maintenance; adds texture and movement to the garden; years weeks 4-24 flower stalks persist and look attractive year round.

Muhlenbergia rigens – deergrass: California TERR, large summer cut to ground water deeply native plant; makes a low informal screen; needs almost no MWB every three once or twice a maintenance; remove old leaves at any time; adds texture and years month movement to the garden. 4-24

Neomarica caerulea – walking iris: Accent plant with TERR large summer remove old water deeply arching, sword-like leaves; produces clusters of gorgeous, flower stalks once or twice a intricately-patterned, violet-blue flowers; blooms repeatedly in 16, 17, month 21-24: partial shade during the hottest part of the summer. H2; or indoors

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions PERENNIALS

Nepeta × faassenii – hybrid catmint: Lavender-blue STOR small spring, cut to ground water deeply flowers attract butterflies and other pollinators; dependable, summer, in winter to every two low-growing plant has aromatic, gray-green foliage; tolerates fall renew weeks 1-24 different soil types.

Origanum vulgare ‘Betty Rollins’ – dwarf TERR small spring, remove old water deeply oregano: Pink tubular flowers attract butterflies from mid- summer, flower stalks in every two summer to early fall; low-maintenance groundcover; leaves can fall winter weeks 1-24 be used in cooking.

Penstemon heterophyllus ‘Margarita B.O.P.’ – MWB small spring, remove old water deeply Santa Margarita foothill penstemon: California native plant; summer flower stalks every two flowers are golden yellow as buds, bright blue as blooms, then weeks 7-24 change to purple pink; unlike many California native penstemons, it thrives in garden conditions.

Rhodophiala bifida– red Argentine amaryllis: Showy, STOR small summer, little or none water deeply easy-to-grow bulb; dark red, trumpet-shaped flowers bloom in fall once or twice a late summer; heat and drought tolerant; attracts hummingbirds. 8, 9, month 12-24

Russelia equisetiformis – coral fountain: Very SWUS large spring, little or none; water deeply adaptable plant with tubular, bright coral-red flowers from 14, summer, prune to shape every one to spring to autumn; show-stopping fountain of flowers attracts 19-24; fall two weeks hummingbirds; low maintenance and drought tolerant. H1, H2: or indoors

Salvia spathacea – hummingbird sage: California MWB medium winter, remove old water deeply native plant; leaves have a pleasant, fruity fragrance; excellent spring flower stalks at every one to drought-tolerant groundcover for sun or partial shade; attracts 7-9, end of season two weeks hummingbirds. 14-24

Saponaria × lempergii ‘Max Frei’ – hybrid NURS small spring, little or none; water deeply soapwort: Bright pink flowers bloom in hot summer months summer, prune to shape every two and early autumn; suitable for the or around roses 1-11, fall weeks and taller perennials; low maintenance and dependable. 14-24

Sedum palmeri – Palmer’s sedum: Deep golden-yellow, SWUS small spring little or none water deeply star-shaped flowers in spring; drought and shade tolerant; low once or twice a growing and can be used as a groundcover for small areas; month prefers well-drained soils and containers.

Solidago californica ‘Cascade Creek’ – Cascade MWB medium spring, cut to ground water deeply Creek California goldenrod: California native plant; bears summer, after flowering every two bright yellow flowers in summer and fall that attract butterflies 1-11, fall in late fall weeks and beneficial insects; ideal for native grass meadow. 14-23

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions PERENNIALS Sprekelia formosissima – Aztec lily: Dramatic, deep- SWUS small spring, little or none water deeply red flowers attract hummingbirds in spring and summer; summer, once or twice a encourage blooming several times a year by withholding and 9, fall month then applying water; low maintenance. 12-24

Sternbergia lutea – yellow autumn crocus: Goblet- NURS, small fall little or none water deeply shaped yellow flowers blossom in early fall; lustrous, deep- MEDI once or twice green foliage emerges soon after bloom and lasts through the a month or not winter; does well in full sun and is extremely drought tolerant. 3-10, at all 14-24

Stipa gigantea (Celtica gigantea) – giant feather STOR large spring remove old water deeply grass: Dramatic large grass is an excellent garden accent; flower stalks in every two waving wands of flowers add movement to the garden; low 4-9, fall or winter weeks mound of evergreen leaves looks good year round. 14-24

Woodwardia fimbriata – giant chain fern: California MWB, large none remove old water deeply native plant; plant needs little care once established; great for a TERR fronds for once a week shady oasis near a pond or fountain. a tidier 2B-9, appearance 14-24

Zephyranthes candida – Argentine rain lily: Grows TERR, small summer, little or none water deeply from bulbs and forms clumps of shiny, grassy leaves; good GAZE fall every two edging plant or groundcover; attracts beneficial insects. weeks 4-9, 12-24, H1, H2

GROUNDCOVERS Cerastium tomentosum – snow-in-summer: Gives GAZE ground- spring, little or none water deeply a cool look to hot Central Valley gardens; can thrive in low to cover summer once a week in medium amounts of irrigation; silver foliage good for contrast A1, A2: sun, every two with green-leaved plants. 1-24 weeks in shade

Ceratostigma plumbaginoides – dwarf plumbago: STOR, ground- summer, cut to ground water deeply Attractive groundcover with clusters of intense blue flowers in EASI cover fall in winter every two summer and continuing into fall; leaves turn a colorful maroon for tidy weeks in autumn; tolerant of sun or shade. Deciduous. 2B-10, appearance 14-24

Delosperma cooperi – Cooper’s ice plant: Linear STOR ground- spring, little or none water deeply succulent foliage creeps along the ground, making an attractive cover summer, every two apple-green mat; bright pink-purple flowers bloom in spring, fall weeks 2-24 summer, and fall.

Ribes viburnifolium – evergreen currant: California MWB ground- spring little or none water deeply native plant; good shade-tolerant groundcover under native cover once or twice a and in other dry, shady areas; shiny and fragrant foliage 8, 9, month looks attractive all year; attracts hummingbirds and beneficial 14-24 insects.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions GROUNDCOVERS Teucrium chamaedrys ‘Nanum’ – dwarf STOR ground- spring, mow in early water deeply germander: Low-growing groundcover with dark-pink flowers cover summer, spring to once or twice a in early summer; does well in both full sun or part shade; good fall maintain a month 2-24 for planting under roses and other shrubs; attracts beneficial compact form insects.

VINES Aristolochia californica – California pipevine: MWB winter little or none; water deeply California native plant; leaves provide food for pipevine train stems once or twice a swallowtail butterfly larvae; versatile plant that can be used 5-10, up trellis or month as a climbing vine or a groundcover. Deciduous. 14-24 support

Clytostoma callistegioides – violet trumpet vine: TERR vine spring prune in winter water deeply Vigorous climber for covering walls and fences and can also to shape once or twice a be grown as a groundcover; trumpet-shaped violet flowers 8, 9; month with purple veins blossom in late spring to summer; attracts 12-24 hummingbirds. Evergreen.

Hardenbergia violacea – lilac vine: Vigorous AUST, vine winter, trim to fit water deeply evergreen vine can be used to cover an arbor, pergola or wall; TERR spring available space once or twice a small, purple, pea-like flowers bloom in late winter to early annually; cut month back after spring; other have white or pink flowers. 8-24 bloom to prevent tangling

Mandevilla laxa – Chilean jasmine: Attractive, twining TERR vine spring, little or none; water deeply vine; clusters of white, funnel-shaped flowers blossom in the summer prune in winter once or twice a summer with a delightful tropical fragrance; tolerant of both full 4-9, to shape month sun and partial shade. Deciduous. 14-24

SHRUBS All shrubs listed are power line friendly Acacia boormanii – Snowy River wattle: Fragrant ACAC large winter Little or none; water deeply yellow flowers add color to the winter garden; very adaptable prune to shape once or twice a and hardy, grows best in well-drained soils; heat and drought 8, 9, month tolerant. Evergreen. 12-24

Arctostaphylos densiflora ‘Howard McMinn’ – TERR medium winter little or none water deeply Vine Hill manzanita: California native plant; known for once or twice a its smooth, wine-red ; one of the few manzanitas that 7-9, month tolerates our clay-loam soils; attracts hummingbirds and 14-21 beneficial insects. Evergreen.

Berberis aquifolium ‘Compacta’ – compact TERR small winter, little or none water deeply : California native plant; dark, grape-like spring every two provide food for native birds and can be made into preserves; 5-9, weeks tough plant that tolerates a variety of garden conditions; 14-24 attracts beneficial insects and birds. Evergreen.

Callistemon ‘Violaceus’ – purple bottlebrush: Rosy- NURS large winter, little or none; water deeply purple “bottlebrush” flowers bloom in early winter and spring, spring, prune to shape once or twice a and sporadically year round; medium to large evergreen shrub summer month that is tough and adaptable; grows best in full sun and tolerates infrequent watering; attracts hummingbirds and beneficial insects.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions SHRUBS Calycanthus occidentalis – western spice bush: MWB large spring little or none; water deeply California native plant; maroon-red flowers attract pollinating prune to shape once or twice a beetles; leaves have a sharp, clean fragrance and turn yellow in 4-9, month the autumn, adding seasonal color to the garden. Deciduous. 14-24

Carpenteria californica – bush anemone: California DESE, medium spring little or none; water deeply native plant; has clusters of large, sweetly-scented white MWB prune to shape once or twice a flowers in late spring and early summer; glossy, dark-green month leaves stay on the plant all year; older stems have attractive, 5-9, pale, papery bark. 14-24

Ceanothus ‘Concha’ – concha ceanothus: California NURS, medium spring little or none; water deeply native plant; one of the best California lilacs for the garden MWB prune to shape once or twice a with dark-green leaves all year; showy, deep blue flowers after spring month with reddish bracts bloom in spring; attracts beneficial insects. 6-9, flowering Evergreen. 14-24

Ceanothus maritimus ‘Valley Violet’ – valley MWB small winter little or none; water deeply violet maritime ceanothus: California native plant; best small prune to shape once or twice a ceanothus for Central Valley gardens; clusters of dark-violet 5-9, after spring month flowers bloom in spring; attracts beneficial insects. Evergreen. 14-24 flowering

Ceanothus × pallidus ‘Marie Simon’ – Marie STOR medium spring prune in early water deeply Simon ceanothus: Large, loose clusters of soft-pink flowers spring to shape every two complement maroon-red stems; nectar-rich flowers attract 5-9, and remove weeks bees and other beneficial insects; semi deciduous to evergreen. 14-24 old, twiggy growth

Cercis occidentalis – western redbud: California MWB large winter, little or none; water deeply native plant; early spring bloom before leaves appear; spring may be trained once or twice a attractive reddish seed pods in summer; new stems, cut in as a small tree month 2-24 winter, are used to add color to Native American baskets; attracts beneficial insects. Deciduous.

Cercocarpus betuloides var. blancheae – island MWB, large winter little or none; water deeply mountain mahogany: California native plant; thrives in full STOR prune to shape; once or twice a sun and dry soil; tiny flowers attract pollinating insects; seed may be trained month pods are curly and fuzzy; vertical growth makes this a great 3, 5, as a small tree 7-10, screen. Evergreen. 13-24

Daphne odora ‘Aureomarginata’ – winter STOR small winter little or none water deeply daphne: Shiny variegated leaves are attractive all year; every one to requires little maintenance; intensely fragrant flowers 4-10, two weeks 12, perfume cool winter air. Evergreen. 14-24

Dasylirion wheeleri – desert spoon: Evergreen desert STOR small spring, little or none water deeply plant with long, narrow, blue-gray leaves; cream-colored summer once or twice flowers emerge in summer on tall spikes; drought tolerant and a month or not 10-24 makes a striking accent plant; attracts beneficial insects. at all

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions SHRUBS Eriogonum giganteum – Saint Catherine’s lace: CONI medium summer remove old water deeply California native plant; large clusters of white flowers appear in flower stalks; once or twice a summer and attract beneficial insects; fast growing and quickly 5, 7-9, prune to month develops into a large, rounded shrub with woolly, whitish-gray 14-24 maintain foliage. Evergreen. compact form

Hesperaloe parviflora– coral yucca: Adds a strong STOR small summer, remove old water deeply architectural note to the garden with its attractive spiky-looking fall flower stalks in once or twice a leaves; very heat and drought tolerant; blooms all summer long; 2B, 3, winter month 7-16, attracts hummingbirds. 18-24

Heteromeles arbutifolia – toyon, christmas , MWB large spring little or none water deeply California holly: Shrub with leathery, dark-green leaves every two and profuse red berries all winter that are popular with cedar 5-9, weeks waxwings, a species of migrating bird found in many parts of 14-24 California in winter. Evergreen.

Isomeris arborea – bladderpod: California native plant; DESE medium winter, little or none water deeply one of the only native shrubs that blooms year round; yellow spring, once a month flowers attract beneficial insects and hummingbirds to the summer, garden and then develop into attractive seed pods. Evergreen. fall

Jasminum nudiflorum– winter jasmine: Bright yellow STOR small winter little or none; water deeply flowers cheer up the winter garden; use as an arching shrub or prune to shape once or twice a can be trained as a cascading vine; glossy, dark-green stems month 2-21 are revealed in winter. Deciduous.

Lavandula × ginginsii ‘Goodwin Creek Grey’ STOR small spring, cut back after water deeply – Goodwin Creek lavender: Long bloom season; easy to summer, flowering every two renew with pruning; more heat resistant than English lavenders; 8, 9, fall weeks attracts hummingbirds and beneficial insects. Evergreen. 12-24

Lavandula stoechas ‘Otto Quast’ – Otto Quast TERR, small spring cut back to water deeply Spanish lavender: Showiest of all the lavenders; thrives in STOR remove old every two sunny dry conditions; attracts butterflies and beneficial insects. flowers and weeks Evergreen. keep compact 4-24

Leucophyllum frutescens – cenizo (”Texas ranger”): STOR large summer little or none; water deeply Striking silvery foliage; very heat and drought tolerant; requires prune to shape once or twice a little pruning as a shrub but can be successful as a hedge if month 7-24 sheared; attracts beneficial insects. Evergreen.

Leucophyllum langmaniae ‘Lynn’s Legacy’ – STOR medium spring, little or none water deeply Lynn’s legacy leucophyllum: Showy, bright, lavender-violet summer once or twice a flowers bloom through spring and summer; dense-growing, month 7-24 medium-sized shrub has fuzzy, light-green leaves all year; very adaptable plant that tolerates heat, wind, and alkaline soil. Evergreen.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions SHRUBS Lonicera standishii – winter honeysuckle: Distinctive EASI medium winter little or none water deeply fountain-shaped shrub; deliciously fragrant white flowers adorn every one to the semi-leafless stems during winter and early spring; attracts two weeks hummingbirds in winter. Semi-deciduous.

Osmanthus × fortunei – hybrid olive: Makes a GAZE large spring, little or none water deeply dependable, low-maintenance screen in partial shade; does summer every one to well on the north side of buildings; can thrive with low or 4-10, two weeks medium irrigation and tolerates clay soils; fabulous fragrance. 14-24 Evergreen.

Philadelphus ‘Belle Etoile’ – purple spot mock GAZE large spring, cut older stems water deeply orange: Good choice for the back of a perennial border; spring summer to ground to every one to bloom is very showy and stands out in the moonlight; attractive rejuvenate two weeks 2B-17 vase-shaped form. Deciduous.

Phlomis purpurea – pink phlomis: Showy, lavender- MEDI small spring, remove old water deeply pink flowers bloom in summer, with scattered blossoms all year summer flower stalks; once or twice a long; small shrub that is tolerant of heat and dry soils; velvety, prune to month 7-24 yellow-green leaves stay on the plant all year. Evergreen. maintain compact form

Ribes aureum – golden currant: California native plant; TERR, large winter, little or none water deeply flowers have a light, spicy fragrance; good choice for planting MWB spring every one to under native oaks; attracts butterflies and beneficial insects. two weeks Deciduous. A2, A3, 1-12, 14-23

Ribes malvaceum – chaparral currant: California native MWB medium fall, little or none water deeply plant; pale-pink winter flowers attract hummingbirds; drought winter once or twice a tolerant with scented leaves. Deciduous. 6-9, month 14-24

Rosa ‘Korbin’ – Iceberg® rose: Tough and disease GAZE medium spring, prune in water deeply resistant; tolerates some shade; can be trained, with pruning, to summer, winter; remove every one to be a medium or large shrub. Semi-deciduous. ALL fall old flowers two weeks ZONES through bloom season

Rosa ‘Perle d’Or’ – golden pearl polyantha rose: STOR medium spring, prune in water deeply Fine shrub rose for home gardens; has fewer thorns than most summer, winter; remove every one to roses; drought resistant. Semi-deciduous. ALL fall old flowers two weeks ZONES through bloom season

Rosa ‘Pink Grüss an Aachen’ – pink grüss an STOR medium spring, prune in water deeply Aachen floribunda rose: Showy, fragrant pink flowers bloom summer, winter; remove every one to in clusters in spring and summer; naturally graceful form and ALL fall old flowers two weeks practically thornless stems; flowers last longer with some ZONES through bloom afternoon shade; leaves remain evergreen in mild winters and season turn a beautiful color. Semi-deciduous.

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Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions SHRUBS

Rosa × odorata ‘Mutabilis’ – butterfly rose: Has EASI, large spring, prune in water deeply showy, single flowers nearly year round; flowers attract NURS, summer, winter to keep every one to pollinating bees and other beneficial insects; new burgundy TERR fall compact two weeks stems complement multi-colored flowers. Semi-deciduous. ALL ZONES

Rosmarinus officinalis ‘Mozart’ – Ed Carman’s NURS, small winter, little or none; water deeply rosemary: Shrub with dark-green leaves that are rich in STOR spring, prune to once or twice a aromatic oils and prized for cooking; this variety has one of the fall maintain month darkest blue flowers of any rosemary; blooms from winter through 4-24; compact form spring through and often again in fall; attracts beneficial insects. H1, H2 Evergreen.

Salvia apiana – California white sage: California native MWB, small spring shape when water deeply plant; spring flowers attract pollinating bees; leaves contain TERR young; remove once or twice a fragrant oils. Evergreen. old flower month 7-9, stalks once 11, a year 13-24

Salvia clevelandii ‘Winnifred Gilman’ – NURS small spring remove old water deeply Winnifred Gilman Cleveland sage: California native plant; flower stalks in once or twice a shrub produces maroon-stemmed, blue-violet flowers; heat 8, 9, summer; prune month and drought tolerant; attracts hummingbirds, butterflies and 12-24 to maintain beneficial insects. Evergreen. compact form

Salvia greggii and Salvia × jamensis – autumn STOR, small spring, remove old water deeply sage: Showy flowers attract hummingbirds and beneficial TERR summer, flower stalks; every two insects; flowers profusely in the spring and fall. Evergreen. fall prune to weeks 8-24 maintain compact form

Salvia microphylla – mint bush sage: Leaves have STOR small winter, little or none water deeply a fruity smell; good for growing under native oaks; thrives spring, every two with little care in sun or part shade; attracts hummingbirds. summer, weeks 7-24 Evergreen. fall

Sollya heterophylla ( heterophylla) AUST medium summer, little or none water deeply – Australian bluebell creeper: Bushy, evergreen climber fall every two ctan be used either as a small shrub or vine; bell-shaped blue 8, 9, weeks 14-24; flowers bloom from summer through fall; drought tolerant with H1, H2 glossy, deep-green leaves.

Syringa × laciniata – cut leaf lilac: Attractive, lacy STOR large spring little or none; water deeply foliage; more drought tolerant and disease resistant than other prune to shape every one to lilacs; fragrant flowers. Deciduous. 3-12, two weeks 14-16, 18-22

Teucrium fruticans – bush germander: Tough, TERR, small spring, little or none water deeply drought-tolerant shrub with no disease problems; makes a STOR fall, once or twice a low, informal hedge; silvery leaves and stems brighten sunny winter month or shady gardens; attracts beneficial insects. Evergreen. 4-24

Viguiera parishii – desert goldeneye: California native NURS small spring, prune plants in water deeply plant; golden daisies blossom from early spring until mid-fall summer, late winter to once or twice a among triangular-shaped green leaves; tolerates full sun or part fall encourage tidy, month 10-24 shade and is low maintenance. Evergreen. compact form

26 27

Search the Arboretum All-Stars database at www.arboretum.ucdavis.edu Water ArboretumLocationSunset ZoneSize Bloom Season Exposure Pruning Needs Water Needs Instructions TREES All trees listed as small are power line friendly Acca sellowiana (Feijoa sellowiana) – TERR small spring little or none; water deeply pineapple guava: Attractive spring flowers are edible and prune to shape once or twice a sweet; large green berries have a pineapple-like flavor; can 7-9, month 12-24; be used as hedging or as a screen; attracts hummingbirds. H1, H2 Evergreen.

Arbutus ‘Marina’ – Marina madrone: Shiny evergreen NURS, small to fall, prune to shape water deeply leaves and large drooping clusters of pink flowers are followed TERR medium winter and expose every two by red berries that last into late winter; attractive smooth beautiful stems weeks coppery bark; tolerant of heat and alkaline water; very 8, 9: attractive to hummingbirds. 14-24

Ceanothus ‘Ray Hartman’ – Ray Hartman MWB small spring little or none water deeply California lilac: California native plant; one of the best once or twice a ceanothus cultivars for gardens because it can tolerate some 5-9, month summer irrigation; makes a good screen or small garden tree. 14-24 Evergreen.

Chionanthus retusus – Chinese fringe tree: Attractive TERR medium spring little or none; water deeply grooved or peeling bark provides winter interest; leaves turn prune to shape every one to yellow before falling off in the winter; has no known diseases. 3-9, in winter two weeks Deciduous. 14-24

Crataegus phaenopyrum – hawthorn: TERR medium spring little or none water deeply Provides year-round interest with profuse white spring flowers, every one to brilliant scarlet foliage in fall and ornamental clusters in 2-12, two weeks winter; graceful, open-limb structure makes it an attractive 14-17 patio specimen; disease free in our area; attracts birds. Deciduous.

Crinodendron patagua – Chilean lily-of-the-valley GAZE medium spring, little or none water deeply tree: Drought tolerant; makes a good screen or patio tree with summer once or twice a its upright form and narrow profile; attractive, shiny, evergreen month 14-24 leaves; white bell-shaped flowers.

Koelreuteria elegans subsp. formosana – EASI medium fall little or none; water deeply Formosan flame tree: Tropical-looking shade tree; has broad prune to shape once or twice a clusters of bright yellow flowers in fall, followed by coral-red 14-24; in winter month seed pods; adaptable to various soils and watering schedules. H1, H2 Deciduous.

Lagerstroemia hybrids and cultivars – crape TERR, medium summer prune in winter water deeply myrtle: Provides year-round interest with summer flowers, GAZE to shape every one to fall color, and handsome ornamental bark in winter; comes in two weeks pink, white, lavender-purple, or red-flowering varieties; hybrid 7-10, 12-14, forms are more mildew resistant; attracts beneficial insects. 18-21 Deciduous. Quercus lobata – valley : California native plant; MWB large flowers little or none water deeply provides shelter and food for many native insects and other not once or twice animals; tolerates high heat, drought, and alkaline soil; provides 3B-9, showy a month or not refreshing summer shade; attracts beneficial insects and birds. 12-24 at all Deciduous.

28 29 SCIENTIFIC NAME COMMON NAME PAGE PERENNIALS SHRUBS Achillea millefolium ‘Island Pink’ island pink yarrow 8 Acacia boormanii Snowy River wattle 18 Aquilegia eximia serpentine columbine 8 Arctostaphylos densiflora ‘Howard McMinn’ Vine Hill manzanita 18 Aster ‘Purple Dome’ purple dome Michaelmas daisy 8 Berberis aquifolium ‘Compacta’ compact Oregon grape 18 crassifolia pigsqueak 8 Callistemon ‘Violaceus’ purple bottlebrush 18 Bletilla striata Chinese ground orchid 8 Calycanthus occidentalis western spice bush 20 Bouteloua gracilis blue grama grass 8 Carpenteria californica bush anemone 20 Bulbine frutescens Cape balsam 8 Ceanothus ‘Concha’ concha ceanothus 20 Calamagrostis × acutiflora ‘Karl Foerster’ Karl Foerster feather reed grass 8 Ceanothus maritimus ‘Valley Violet’ valley violet maritime ceanothus 20 Cyclamen hederifolium ivy leaf cyclamen 8 Ceanothus × pallidus ‘Marie Simon’ Marie Simon ceanothus 20 Cyrtomium falcatum Japanese holly fern 10 Cercis occidentalis western redbud 20 Echeveria ‘Imbricata’ hen and chicks 10 Cercocarpus betuloides var. blancheae island mountain mahogany 20 Epilobium canum California fuchsia 10 Daphne odora ‘Aureomarginata’ winter daphne 20 Erigeron karvinskianus Santa Barbara daisy 10 Dasylirion wheeleri desert spoon 20 Erigeron ‘W.R.’ Wayne Roderick seaside daisy 10 Eriogonum giganteum Saint Catherine’s lace 22 Festuca californica California fescue 10 Hesperaloe parviflora coral yucca 22 Helleborus argutifolius Corsican hellebore 10 Heteromeles arbutifolia toyon, christmas berry, California holly 22 Helleborus × hybridus lenten rose 10 Isomeris arborea bladderpod 22 Heuchera ‘Lillian’s Pink’ Lillian’s pink coral bells 10 Jasminum nudiflorum winter jasmine 22 Heuchera maxima island alumroot 12 Lavandula × ginginsii ‘Goodwin Creek Grey’ Goodwin Creek lavender 22 Heuchera ‘Rosada’ rosada coral bells 12 Lavandula stoechas ‘Otto Quast’ Otto Quast Spanish lavender 22 Hunnemannia fumariifolia Mexican tulip poppy 12 Leucophyllum frutescens cenizo (”Texas ranger”) 22 Iris ‘Canyon Snow’ canyon snow Pacific iris 12 Leucophyllum langmaniae ‘Lynn’s Legacy’ Lynn’s legacy leucophyllum 22 Kniphofia ‘Christmas Cheer’ Christmas cheer poker plant 12 Lonicera standishii winter honeysuckle 24 Miscanthus sinensis (dwarf varieties) Japanese silver grass 12 Osmanthus × fortunei hybrid tea olive 24 Muhlenbergia dubia pine muhly 12 Philadelphus ‘Belle Etoile’ purple spot mock orange 24 Muhlenbergia rigens deergrass 12 Phlomis purpurea pink phlomis 24 Neomarica caerulea walking iris 12 Ribes aureum golden currant 24 Nepeta × faassenii hybrid catmint 14 Ribes malvaceum chaparral currant 24 Origanum vulgare ‘Betty Rollins’ dwarf oregano 14 Rosa ‘Korbin’ Iceberg® rose 24 Penstemon heterophyllus ‘Margarita B.O.P.’ Santa Margarita foothill penstemon 14 Rosa ‘Perle d’Or’ golden pearl polyantha rose 24 Rhodophiala bifida red Argentine amaryllis 14 Rosa ‘Pink Grüss an Aachen’ pink grüss an Aachen floribunda rose 24 Russelia equisetiformis coral fountain 14 Rosa × odoratus ‘Mutabilis’ butterfly rose 26 Salvia spathacea hummingbird sage 14 Rosmarinus officinalis ‘Mozart’ Ed Carman’s rosemary 26 Saponaria × lempergii ‘Max Frei’ hybrid soapwort 14 Salvia apiana California white sage 26 Sedum palmeri Palmer’s sedum 14 Salvia clevelandii ‘Winnifred Gilman’ Winnifred Gilman Cleveland sage 26 Solidago californica ‘Cascade Creek’ Cascade Creek California goldenrod 14 Salvia greggii and Salvia × jamensis autumn sage 26 Sprekelia formosissima Aztec lily 16 Salvia microphylla mint bush sage 26 Sternbergia lutea yellow autumn crocus 16 Sollya heterophylla (Billardiera heterophlla) Australian bluebell creeper 26 Stipa gigantea (Celtica gigantea) giant feather grass 16 Syringa × laciniata cut leaf lilac 26 Woodwardia fimbriata giant chain fern 16 Teucrium fruticans bush germander 26 Zephyranthes candida Argentine rain lily 16 Viguiera parishii desert goldeneye 26 GROUNDCOVERS TREES Cerastium tomentosum snow-in-summer 16 Acca sellowiana (Feijoa sellowiana) pineapple guava 28 Ceratostigma plumbaginoides dwarf plumbago 16 Arbutus ‘Marina’ Marina madrone 28 Delosperma cooperi Cooper’s ice plant 16 Ceanothus ‘Ray Hartman’ Ray Hartman California lilac 28 Ribes viburnifolium evergreen currant 16 Chionanthus retusus Chinese fringe tree 28 Teucrium chamaedrys ‘Nanum’ dwarf germander 18 Crataegus phaenopyrum Washington hawthorn 28 Crinodendron patagua Chilean lily-of-the-valley tree 28 VINES Koelreuteria elegans subsp. formosana Formosan flame tree 28 Aristolochia californica California pipevine 18 Lagerstroemia hybrids and cultivars crape myrtle 28 Clytostoma callistegioides violet trumpet vine 18 Quercus lobata valley oak 28 Hardenbergia violacea lilac vine 18 Mandevilla laxa Chilean jasmine 18

30 31 For more information on programs provided by the UC Davis Arboretum or the California Center for Urban Horticulture, visit us online at arboretum.ucdavis.edu and ccuh.ucdavis.edu

The UC Davis Arboretum and CCUH thank the following organizations for their support of the Arboretum All-Stars program:

Big Oak Nursery · bigoaknursery.com Florasource, Ltd. · florasourceltd.com Garden Bloomers Takao Nursery ∙ takaonursery.com High Ranch Nursery, Inc. ∙ hrnursery.com MasterTag, Inc. · mastertag.com McCall’s Nurseries, Inc. ∙ mccallsnurseries.com Pacific Gas and Electric Company · pge.com/trees Regional Water Authority - Be Water Smart · rwah2o.org Suncrest Nurseries, Inc. ∙ suncrestnurseries.com

For information about financially supporting the UC Davis Arboretum All-Stars Program, purchasing booklets, or to obtain additional information about the program, please call (530) 752-4880.