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Plant List 2011

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! Non-Arboretum members who spend $25 at Saturday’s Plant Sale receive a coupon for a future free visit to the Arboretum! (One per Person) University of Minnesota ASTILBE chinensis ‘Veronica Klose’ (False Spirea)--18-24” Intense red-purple plumes. Late summer. Shade Perennials ASTILBE chinensis ‘Vision in Pink’ (False Spirea)--18” Sturdy, upright pink plumes. Blue-green foliage. M. Interest in Shade Gardening continues to grow as more homeowners are finding ASTILBE chinensis ‘Vision in Red’ (False Spirea)--15” Deep red buds open their landscapes becoming increasingly shady because of the growth of trees and to pinky-red flowers. Bronze-green foliage. July. shrubs. Shade plants are those that require little or no direct sun, such as those in ASTILBE chinensis ‘Vision in White’ (False Spirea)--18-24” Large creamy- northern exposures or under trees or in areas where the sun is blocked for much of the white plumes. Smooth, glossy, green foliage. July. day. Available from us are many newly introduced plants and old favorites which can ASTILBE chinensis ‘Visions’ (False Spirea)--15” Fragrant raspberry-red add striking foliage and appealing flowers to brighten up your shade garden plumes. Deep green foliage. M. You will find Shade Perennials in the SHADE BUILDING. ASTILBE japonica ‘Montgomery’ (False Spirea)--22” Deep orange-red ACTAEA rubra (Red Baneberry)--18”Hx12’W Clumped bushy appearance. In spring plumes on dark red stems. M. bears fluffy clusters of small white flowers producing shiny red berries which are toxic. ASTILBE simplicifolia ‘Key Largo’ (False Spirea)--15-20” Reddish-pink flow- ers on red stems. Fine-textured green foliage. Native. ACTAEA simplex ‘Hillside Black Beauty’ [CIMICIFUGA s. ‘H.B.B.’] (Branched ASTILBE x arendsii ‘Weisse Gloria’ / ‘White Gloria’ (False Spirea)-- 20” Bugbane, Snakeroot)--4-7’ Fragrant blush pink 12” plumes. Black-purple lacy White, blocky plume. M. foliage is the darkest to date. Rich moist soil, shade to part shade in back of border. ASTILBE x arendsii ‘Zuster Theresa’ / ‘Sister Theresa’ (False Spirea)--24” Aug-Sept. Large salmon-pink, blocky plume. Occasionally sports to a darker color. E-M. ADENOPHORA ‘Amethyst’ (Ladybells)--30-36” Nodding amethyst-blue bells are ASTILBE x chinensis ‘Purpurkerze’ / ‘Purple Candles’ (False Spirea)--36” gently lobed. More heat tolerant than Campanula. Free-flowering all summer. Purple-red flower. Dense, narrow plumes form tall candle-like spires. VL. ALCHEMILLA mollis ‘Auslese’ (Lady’s Mantle)--Low growing, gray-green fan- ASTILBE x simplicifolia ‘Hennie Graafland’ (False Spirea)--16” Light pink shaped mounded foliage, holds morning dew for hours. Easy for sun or shade in rea- flower. L. sonably good garden soil. Upright 18” tall scapes of pale yellow flowers bloom in ASTRANTIA major ‘Star of Beauty’ (Masterwort)--18-24” Carmine-rose flowers in summer. early and midsummer. AMSONIA ‘Blue Ice’--12-15” Dark lavender-blue flowers in dense terminal clusters ASTRANTIA major ‘Star of Royals’® (Masterwort)--18-24” Lilac flowers in early bloom for long period in late spring to early summer. Narrow dark green leaves turn and midsummer. brilliant yellow in fall. Very easy to grow with few pests. BERGENIA ‘Rotblum’ / ‘Red Beauty’--12-18” Large glossy, thick, cabbage-like leaves are bright green, but turn bronze in cold weather. Rosy-red flower. Spring. 2011 Perennial Plant of the Year BRUNNERA macrophylla (Heartleaf Brunnera)-- 12-18” Belonging to the borage AMSONIA hubrectii--24” Steel-blue flowers. Willowy foliage turns golden in fall. family, it bears showy small blue flowers in clusters, like those of a “Forget-me-not.” Native to SW U.S. Early spring. AMSONIA tabernaemontana (Willow Amsonia)--3 1/2’ Steel-blue flowers in dense The leaves are large and heart-shaped. Deep moist soil. terminal clusters bloom in May and June. Leaves turn yellow in the fall. Very easy to BRUNNERA macrophylla ‘Emerald Mist’ (Heartleaf Brunnera)-- 12-18” Belonging to grow with few pests. the borage family, it bears light blue flowers in clusters, like those of a “Forget-me- ANEMONE sylvestris (Snowdrop Anemone)--18” Single pure white solitary flowers not.” The silver-splashed leaves are large and heart-shaped. Deep moist soil. Deer about 1 1/2” wide and often nodding. May-June. proof! ANEMONELLA thalictroides ‘Cameo’ (Double Rue Anemone)--4-10” Pale clear pink BRUNNERA macrophylla ‘Jack Frost’ (Variegated False Forget-me-not)-- 12-18” double flowers with finely divided, fern-like foliage. May go dormant in early summer. Belonging to the borage family, it bears showy small blue flowers in clusters, like those Woodland wildflower. Spring. of a “Forget-me-not.” The leaves are large, heart-shaped, and variegated. Deep moist soil. ANEMONELLA thalictroides ‘Snowball’ (Double Rue Anemone)--4-10” White to light pink double flowers with finely divided, fern-like foliage. May go dormant in BRUNNERA macrophylla ‘Looking Glass’ (Heartleaf Brunnera)-- 12-18” Belonging early summer. Woodland native, rare. Spring. to the borage family, it bears showy small light blue flowers in clusters, like those of a AQUILEGIA caerulea ‘Blue Bird’ (Columbine)--24” Light blue sepals and white “Forget-me-not.” The heart- shaped leaves are solid silver with green veins. More petals. Early blooming, floriferous with a compact habit. silver than B. ‘Jack Frost.’ The foliage cups downward. Deep moist soil. AQUILEGIA vulgaris ‘Dorothy Rose’ (European Columbine)--24-30” Light rose- CAMPANULA ‘Hot Lips’ (Bellflower)-6-12” Large, tubular white flowers speckled pink, double flowers. Light blue-green foliage. Blooms late spring to early summer. with burgundy-pink. AQUILEGIA vulgaris ‘Woodside Gold’ (European Columbine)--24” Blue and rose CHELONE glabra (WhiteTurtlehead)--3’ White to pale pink flowers resembling a flowers. Golden-yellow spring foliage turns to light yellow. April-May. turtle’s head. Shiny rich dark green leaves. Pinch to reduce height. Does well in acid ARISAEMA triphyllum (Jack-in-the-pulpit)--12-18” Flower stalk forms in late May, soil. Late summer. clusters of red berries ripen in August. Likes light, moist woodland soil. CHELONE glabra ‘Black Ace’ (Turtlehead)--3-4’ Creamy-white flowers resembling a ARUNCUS ‘Misty Lace’ [A. aesthusifolius x A. dioicus] (Goat’s-beard)--18-24” turtle’s head. Shiny rich dark green leaves. Pinch to reduce height. Does well in acid Creamy-white plumes on red stems in early summer. soil. Late summer. ARUNCUS aethusifolius (Dwarf Goat’s-beard)--12” Deep green, finely divided foli- CONVALLARIA majalis (Lily-of-the-valley)--8” Fragrant, white, waxy, bell-like age with reddish fall color. Creamy-white flowers in early summer. Seed pods. Can flowers are pendant on upright spikes in June. Ground cover. Toxic. take full sun if soil remains moist. CORYDALIS lutea (Yellow Corydalis)--8” Somewhat similar to Dicentra, it blooms ARUNCUS dioicus (Sylvan Goat’s-beard)--5-7’ Large showy panicles of white flow- from late May through Aug. Fern-like foliage with yellow flowers. Good plant for ers to 4’ tall. Native. June-July. heavy shade. ASARUM canadense (Canada Wild Ginger)--4-6” Excellent ground cover with DICENTRA ‘Ivory Hearts’ (Bleeding-heart)--12” Heart-shaped ivory-white flowers heart-shaped leaves and thick rootstalk. Small reddish-brown flowers form under above ferny blue-grey foliage. Slightly fragrant. Late spring to early summer. leaves in May. DICENTRA formosa ‘Aurora’ (Pacific Bleeding-heart)--12” White flowers above greyish foliage. Vigorous. Blooms from May-July. ASTILBE prefers partial shade in any moist, fertile soil. Very hardy. Beautiful DICENTRA formosa ‘Bacchanal’ (Pacific Bleeding-heart)--12” Graceful, deeply plume-like heads are decorative in the winter landscape. Effective in fresh arrange- divided grey-green ferny foliage. Dark red flower, ever- blooming from May-July. ments or when dried. DICENTRA formosa ‘King of Hearts’ (Pacific Bleeding-heart)--10” Ever-blooming broad rosy-pink flowers. Slightly glaucous grey-green ferny foliage. Disease free. VE - Very Early E - Early EM - Early Mid-season M - Mid-season LM - Late Mid- season L - Late May-Aug. ASTILBE ‘Country and Western’ (False Spirea)--15-20” Soft pink plumes. DICENTRA spectabilis (Old-fashioned Bleeding-heart)--2-3’ An old favorite. Forms graceful mounds of foliage with an equal spread. The pink heart-shaped flowers appear Dark green foliage. Compact plant. ASTILBE ‘Drum and Bass’ (False Spirea)--15-20” Reddish-purple plumes. in late May and June. Well-drained soil. ASTILBE ‘Key Biscayne’ (False Spirea)--15-18” Rose-pink flower. DICENTRA spectabilis ‘Alba’ (Old-fashioned Bleeding-heart)--30” Similar to ASTILBE ‘Key West’ (False Spirea)--15-20” Carmine-red plume. D. spectabilis, has lighter green foliage and pure white flowers. June. ASTILBE ‘Rhythm and Beat’ (False Spirea)--15-20” Purple-pink plumes. DICENTRA spectabilis ‘Gold Heart’ (Bleeding-heart)--24” Pink flower. Unusual ASTILBE ‘Rhythm and Blues’ (False Spirea)--20-25” Raspberry-pink plumes. chartreuse foliage. A spring beauty! ASTILBE ‘Rise and Shine’ (False Spirea)--30-36” Large plumes of vibrant DIGITALIS purpurea Excelsior Hybrids (Foxglove)--4-5’ Spikes of large, tubular, pink flowers on sturdy stems in midsummer. light to dark pink flowers in June and July. Biennial. ASTILBE chinensis ‘Milk and Honey’ (False Spirea)--30” Fragrant creamy- DIGITALIS thapsi ‘Spanish Peaks’ (Foxglove)--12” Raspberry-rose flowers. Trim white plumes mature to light pink. Juvenile foliage is marbled green and silver. mat of furry foliage. Early Summer. Toxic. Biennial. Sturdy and vigorous. M to L. 2 DODECATHEON meadia ‘Alba’ (Common Shooting-star)--6-20” White flowers. LAMIASTRUM galeobdolon ‘Herman’s Pride’ (Yellow Archangel)--10” Yellow Great addition to any garden. Needs rich, light woods soil and partial shade. Goes flowers. Distinctive silver variegation on a dark green foliage, mounding form. dormant in summer. April-May. Non-invasive ground cover for Minnesota. July-Aug. ERYTHRONIUM americanum (Trout Lily)--12” Yellow flowers, mottled foliage. LAMIASTRUM galeobdolon ‘Silver Spangled’ (Yellow Archangel)--Newly intro- Native in moist woodlands, dormant after flowering. Bulbs have been used by Native duced.
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  • Response of Some Ornamental Flowers of Family Ranunculaceae to Sucrose Feeding

    Response of Some Ornamental Flowers of Family Ranunculaceae to Sucrose Feeding

    African Journal of Plant Science Vol. 4(9), pp. 346-352, September 2010 Available online at http://www.academicjournals.org/ajps ISSN 1996-0824 ©2010 Academic Journals Full Length Research Paper Response of some ornamental flowers of family Ranunculaceae to sucrose feeding Waseem Shahri*, Inayatullah Tahir, Sheikh Tajamul Islam and Mushtaq Ahmad Department of Botany, Plant Physiology and Biochemistry Research Laboratory, University of Kashmir, Srinagar- 190006, India. Accepted 30 July, 2010 The effect of different concentrations of sucrose on some ornamental flowers of family Ranunculaceae was examined. Sucrose was found to enhance vase life in cut spikes of Aquilegia vulgaris and Consolida ajacis cv. Violet blue; besides it improves blooming, fresh and dry mass of flowers. A. vulgaris and C. ajacis exhibits abscission type of flower senescence, while senescence in Ranunculus asiaticus cultivars is characterized by initial wilting followed by abscission at later stage. In isolated flowers of R. asiaticus cultivars, sucrose was found to be ineffective in delaying senescence and improving post-harvest performance. The study reveals that sucrose treatment shows varied response in different flowers of the same family and its effect appears to be related to ethylene-sensitivity of these flower systems. The paper recommends that more elaborate studies need to be conducted on other ethylene-sensitive flowers to make a generalized argument on relationship between sucrose and ethylene sensitivity. Key words: Aquilegia vulgaris, Consolida ajacis, Ranunculus asiaticus, abscission, wilting, sucrose, vase life, fresh mass, dry mass, senescence, Ranunculaceae. INTRODUCTION As long as a flowering shoot or an inflorescence is at the bud stage to open, which otherwise could not occur attached to a mother plant, nutrients are continuously naturally (Pun and Ichimura, 2003).
  • Ranunculaceae Buttercup Family

    Ranunculaceae Buttercup Family

    Ranunculaceae buttercup family Larkspur, Columbine, Clematis and Anenome are common showy garden favourites belonging to this Page | 781 family. Mostly herbaceous, 2500 species have been described, organized in 51–88 genera. Flowers are regular, except in the Larkspur and Monkshood, where sepals resemble petals in form and colour. Petals may be present or absent. Stamens are numerous; pistils 1–many, developing fruit of various forms. The stamens may be modified into a staminode, producing nectar in some species. It may be large and showy as in the Columbine or inconspicuous. Leaves are alternate and compound, with some exceptions. Several are woody and some are even vines. Key to the species A. Plant a vine or climbing by clasping petioles. Clematis aa. Plant herbaceous, not climbing. B B. Leaves simple, shallowly lobed or serrate. C C. Leaves mostly 0.5–5cm wide; cauline leaves reduced; fruit an achene, Ranunculus many per plant. (Buttercups, in part). cc. Leaves kidney-shaped, 5–20cm wide; fruit a follicle, with many Caltha seeds. bb. Leaves compound, or deeply lobed. D D. Leaves all basal; plant <10cm tall. E E. Leaves trilobed, cut half or two-thirds to their bases, Hepatica margins smooth; flowers blue; sepals minute; rare species. ee. Leaves with 3 leaflets, toothed; flowers white, sepals Coptis absent; common in a variety of habitats. dd. Leaves both basal and cauline, or merely cauline; plant >10cm F tall. F. Cauline leaves 2–3, opposite or whorled; flowers 1– Anemone several, white; pedicels long; sepals petaloid. ff. Cauline leaves alternate, >3; flowers many, panicle; G yellow, pink, or purple; petals present.