Rain Garden Planting Plans Selected Plants and Plans for RainWise Rain Gardens Introduction

A successful rain garden design needs: Planting Zones ¡¡ Plants that match the soil, sun and shade Critical when choosing and placing plants conditions in the rain garden. Rain gardens are built to soak up stormwater. During the rainy season, the bottom ¡¡ A majority of evergreen plants to provide will stay wet and must be filled with plants that thrive in these conditions. In year-round beauty, absorb stormwater, contrast, the upper slopes and top of the rain garden drain faster, leaving drier soil prevent erosion and block weeds. especially in the summer. These areas require different plants. Use the plant list and ¡¡ A balance of deciduous plants for seasonal plans to match the appropriate plants for the following zones: color. ¡¡ A diversity of heights to provide habitat and ZONE 1 Areas of periodic, or frequent, standing or flowing water in the bottom of visual interest. the garden. Zone 1 plants should also tolerate the seasonally dry summers in Western Washington without extra watering beyond the first two to three year ¡¡ Enough space between plants so that they establishment period. need little to no pruning as they mature. ZONE 2 Periodically moist or saturated soils during larger storms. Plants are How to use this guide: typically planted on the side slopes in this zone and can help protect against erosion. ¡¡ Identify whether your rain garden will be in ZONE 3 Drier soils found at the top of the rain garden. This zone can blend with the sun, part shade or shade and then choose the existing landscape. matching planting plan. ¡¡ Select approximately seven plants to repeat throughout your garden. Repetition creates Plant List Legend harmony and a more natural appearance. D Deciduous: plants that drop their leaves usually in autumn ¡¡ Adjust the size of the sample rain garden E Evergreen: plants that keep their leaves throughout the year plan to match your intended size. Increase or decrease plants accordingly. The samples are S Semi-evergreen: plants that keep most of their leaves in mild winters approximately 6’ x 10’. N Native: plants that are native to Western Washington ¡¡ Be sure to cross reference this guide with the GPP Great Plant Picks (www.greatplantpicks.org) plant lists and photos of plants recommended for the maritime Pacific Northwest. RainWise Design Specifications for details on outflows, depths and other requirements. Sun: at least six hours of sun per day Part shade: about four to six hours of sun per day; may receive morning sun or may be filtered by trees Shade: receives even less sun which may be blocked by trees or buildings

Introduction | 2 This 6’ x 10’ planting plan represents just one of many approaches for a rain garden. Seven different plant species have been repeated through the plan to give a more natural appearance. In addition, Sun the list below shows substitutes that will fit in the same space while thriving in the same sunlight rain garden planting plan conditions. Refer to the Plant List starting on page 13 for more rain-garden-appropriate plants.

0.5 inch = 1 ft Choose one plant species from each of the categories below to repeat as the plan shows E=Evergreen

California Gray Rush Juncus patens cultivar (E) 6 2 2 Alternatives: 2 1 6 Soft Rush Juncus effusus cultivar (E) 2 Slough Sedge Carex obnupta (E) 6 7 7 Pacific Coast Iris Iris douglasiana (E) Alternatives: 2 5 1 1 1 Lily Turf Liriope muscari (E) 3 Blue Fescue Festuca ‘Beyond Blue’ (E) 1 ZONE 1 1 1 1 Little Heath Lily of the Valley Pieris japonica ‘Little Heath’ (E) Alternatives: 4 3 Blue Oat Grass Helictotrichon sempervirens (E) 4 4 7 ZONE 2 Western Sword Fern Polystichum munitum (E) 3 7 4 Lily Turf Liriope muscari & cultivars (E) 4 Alternatives: 4 7 ZONE 3 Blue Pacific Shore Juniper Juniperus conferta ‘Blue Pacific’ (E) Wall Germander Teucrium chamaedrys (E)

Magic Carpet Spirea Spiraea ‘Magic Carpet’ Alternatives: 5 Use this scaled drawing (0.5” = 1’) to understand how Bluebeard Caryopteris clandonensis far apart to space plants and allow for their mature size. Coneflower Echinacea purpurea cultivar Orange New Zealand Sedge Carex testacea (E) Alternatives: 6 Tickseed Coreopsis verticillata ‘Zagreb’ Variegated Sedge Carex ‘Ice Dance’ (E)

Stonecrop Sedum ‘Autumn joy’ or ‘Matrona’ 7 Alternatives: Siberian Iris Iris sibirica cultivars (E) Rozanne Geranium Geranium ‘Rozanne’

Sun | 3 These photos show the plants in their most colorful stages. Please note that trees and plants change throughout the year and have different bloom times, may have fall foliage and may lose leaves altogether in the wintertime. Search Sun online to find more images that show them through the seasons, and also provide a sense of their leaves close up or rain garden planting plan their overall shape from a distance.

ZONE 1 1 1 1

California Gray Rush Juncus patens cultivar Soft Rush Juncus effusus cultivar (E) Slough Sedge Carex obnupta (E)

ZONE 3 2 2 2

Pacific Coast Iris Iris douglasiana (E) Lily Turf Liriope muscari (E) Blue Fescue Festuca ‘Beyond Blue’ (E)

ZONE 2 ZONE 3 3 3 3

Little Heath Lily of the Valley Pieris japonica ‘Little Heath’ (E) Blue Oat Grass Helictotrichon sempervirens (E) Western Sword Fern Polystichum munitum (E)

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Sun | 4 ZONE 2 ZONE 3 4 4 4

Lily Turf Liriope muscari & cultivars (E) Blue Pacific Shore Juniper Juniperus conferta ‘Blue Pacific’ (E) Wall Germander Teucrium chamaedrys (E)

ZONE 2 ZONE 3 5 5 5

Magic Carpet Spirea Spiraea ‘Magic Carpet’ Bluebeard Caryopteris clandonensis Coneflower Echinacea purpurea cultivar

ZONE 2 ZONE 3 6 6 6

Orange New Zealand Sedge Carex testacea (E) Tickseed Coreopsis verticillata ‘Zagreb’ Variegated Sedge Carex ‘Ice Dance’ (E)

ZONE 2 ZONE 3 7 7 7

Stonecrop Sedum ‘Autumn joy’ or ‘Matrona’ Siberian Iris Iris sibirica cultivars (E) Rozanne Geranium Geranium ‘Rozanne’

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Sun | 5 This 6’ x 10’ planting plan represents just one of many approaches for a rain garden. Seven different plant species have been repeated through the plan to give a more natural appearance. In addition, Part Shade the list below shows substitutes that will fit in the same space while thriving in the same sunlight rain garden planting plan conditions. Refer to the Plant List starting on page 13 for more rain-garden-appropriate plants.

Choose one plant species from each of the categories below to repeat as the plan shows E=Evergreen

0.5 inch = 1 ft Slough Sedge Carex obnupta (E) Alternatives: 1 Soft Rush Juncus effusus cultivar (E) California Gray Rush Juncus patens cultivar (E)

Blondy Wintercreeper Euonymus fortunei ‘Interbolwi’ (E) Alternatives: 2 Variegated Sedge Carex ‘Ice Dance’ (E) 2 2 Compact Oregon Grape Mahonia nervosa (E) 7 2 3 Hardy Geranium Geranium macrorrhizum cultivar (E) Alternatives: 4 3 1 1 Barrenwort Epimedium perralchicum (E) Perennial Geranium Geranium x cantabrigiense ‘Cambridge’ (E) 1 ZONE 1 1 3 6 6 1 1 Himalayan Sweet Box Sarcococca hookeriana humilis (E) Alternatives: 3 4 ZONE 2 Blue Pacific Shore Juniper Juniperus conferta ‘Blue Pacific’ (E) 6 Variegated Sedge Carex ‘Ice Dance’ (E) 4 6 5 6 Oak-Leaf Hydrangea Hydrangea quercifolia ‘Pee Wee’ Alternatives: 5 ZONE 3 Midwinter Fire Dogwood Cornus sanguinea ‘Midwinter Fire’ Dwarf Hardy Fuchsia Fuchsia magellanica ‘Aurea’

Barrenwort Epimedium rubrum (E) Alternatives: 6 Use this scaled drawing (0.5” = 1’) to understand how Blondy Wintercreeper Euonymus fortunei ‘Interbolwi’ (E) far apart to space plants and allow for their mature size. Creeping Oregon Grape Mahonia repens (E)

Sourwood Oxydendron arboreum TREE Alternatives: 7 Elizabeth Magnolia Magnolia ‘Elizabeth’ Japanese Stewartia Stewartia pseudocamellia

Part Shade | 6 These photos show the plants in their most colorful stages. Please note that trees and plants change throughout the year and have different bloom times, may have fall foliage and may lose leaves altogether in the wintertime. Search Part Shade online to find more images that show them through the seasons, and also provide a sense of their leaves close up or rain garden planting plan their overall shape from a distance.

ZONE 1 1 1 1

Slough Sedge Carex obnupta (E) Soft Rush Juncus effusus cultivar (E) California Gray Rush Juncus patens cultivar (E)

ZONE 2 2 2 2

Blondy Wintercreeper Euonymus fortunei ‘Interbolwi’ (E) Variegated Sedge Carex ‘Ice Dance’ (E) Compact Oregon Grape Mahonia nervosa (E)

ZONE 2 ZONE 3 3 3 3

Hardy Geranium Geranium macrorrhizum cultivar (E) Barrenwort Epimedium perralchicum (E) Perennial Geranium Geranium x cantabrigiense ‘Cambridge’ (E)

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Part Shade | 7 ZONE 2 4 4 4

Himalayan Sweet Box Sarcococca hookeriana humilis (E) Blue Pacific Shore Juniper Juniperus conferta ‘Blue Pacific’(E) Variegated Sedge Carex ‘Ice Dance’ (E)

ZONE 2 5 5 5

Oak-Leaf Hydrangea Hydrangea quercifolia ‘Pee Wee’ Midwinter Fire Dogwood Cornus sanguinea ‘Midwinter Fire’ Dwarf Hardy Fuchsia Fuchsia magellanica ‘Aurea’

ZONE 3 6 6 6

Barrenwort Epimedium rubrum (E) Blondy Wintercreeper Euonymus fortunei ‘Interbolwi’ (E) Creeping Oregon Grape Mahonia repens (E)

ZONE 3 TREE TREE TREE 7 7 7

Sourwood Oxydendron arboreum Elizabeth Magnolia Magnolia ‘Elizabeth’ Japanese Stewartia Stewartia pseudocamellia

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Part Shade | 8 This 6’ x 10’ planting plan represents just one of many approaches for a rain garden. Seven different plant species have been repeated through the plan to give a more natural appearance. In addition, Shade the list below shows substitutes that will fit in the same space while thriving in the same sunlight rain garden planting plan conditions. Refer to the Plant List starting on page 13 for more rain-garden-appropriate plants.

Choose one plant species from each of the categories below to repeat as the plan shows E=Evergreen

0.5 inch = 1 ft Small-Fruited Bulrush Scirpus microcarpus (E) Alternatives: 1 Slough Sedge Carex obnupta (E) Sweet Flag Acorus gramineus ‘Ogon’ (E)

Compact Oregon Grape Mahonia nervosa (E) Alternatives: 6 2 5 6 Creeping Oregon Grape Mahonia repens (E) 6 4 6 Youth on Age Tolmiea menziesii 6 3 7 6 Salal Gaultheria shallon (E) 2 3 Alternatives: 6 4 Evergreen Huckleberry Vaccinium ovatum 1 Oregon Grape Mahonia aquifolilum (E) 3 ZONE 1 2 1 4 Western Sword Fern Polystichum munitum (E) 2 Alternatives: 4 ZONE 2 ZONE 3 Deer Fern Blechnum spicant (E) 2 6 Asian Saber Fern Polystichum neolobatum (E) 4 2 2 6 Evergreen Huckleberry Vaccinium ovatum (E) Alternatives: 5 6 Sweet Box Sarcococca confusa (E) 6 6 6 Salal Gaultheria shallon (E)

Inside-Out Flower Vancouveria hexandra (E) 6 Alternatives: Use this scaled drawing (0.5” = 1’) to understand how Youth on Age Tolmeia menziesii far apart to space plants and allow for their mature size. Fringecup Tellima grandiflora

Vine Maple Acer circinatum TREE Alternatives: 7 Hogan Western Redcedar Thuja plicata ‘Hogan’ (E) Shore Pine Pinus contorta contorta (E)

Shade | 9 These photos show the plants in their most colorful stages. Please note that trees and plants change throughout the year and have different bloom times, may have fall foliage and may lose leaves altogether in the wintertime. Search Shade online to find more images that show them through the seasons, and also provide a sense of their leaves close up or rain garden planting plan their overall shape from a distance.

ZONE 1 ZONE 2 1 1 1

Small-Fruited Bulrush Scirpus microcarpus (E) Slough Sedge Carex obnupta (E) Sweet Flag Acorus gramineus ‘Ogon’ (E)

ZONE 2 ZONE 3 2 2 2

Compact Oregon Grape Mahonia nervosa (E) Creeping Oregon Holly-grape Mahonia repens (E) Youth on Age Tolmiea menziesii

ZONE 2 3 3 3

Salal Gaultheria shallon (E) Evergreen Huckleberry Vaccinium ovatum Oregon Grape Mahonia aquifolilum (E)

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Shade | 10 ZONE 2 ZONE 3 4 4 4

Western Sword Fern Polystichum munitum (E) Deer Fern Blechnum spicant (E) Asian Saber Fern Polystichum neolobatum (E)

ZONE 2 ZONE 3 5 5 5

Evergreen Huckleberry Vaccinium ovatum (E) Sweet Box Sarcococca confusa (E) Salal Gaultheria shallon (E)

ZONE 3 6 6 6

Inside-Out Flower Vancouveria hexandra (E-semi) Youth on Age Tolmeia menziesii Fringecup Tellima grandiflora

ZONE 3 TREE TREE TREE 7 7 7

Vine Maple Acer circinatum Hogan Western Redcedar Thuja plicata ‘Hogan’ (E) Shore Pine Pinus contorta contorta (E)

Photos courtesy of plant growers, horticultural organizations and Great Plant Picks. Shade | 11 Plant List See Plant List Legend on page 2 for terms and abbreviations

Common Name Zone D or E Native Exposure Mature Size Comments GGP = Great Plant Picks (www.greatplantpicks.org) Scientific Name 1 2 3 Sun Partial Shade Height Width Plants less than 2’ E Abelia x grandifloradwarf cultivars 2 3 18” – 24” 4’ Prostrate Abelia (Semi) GPP. Cut to the ground in late winter to Acorus graminius and cultivars 1 E 6” – 24” 12” Sweet Flag encourage filling in. Arctostaphylos uva-ursi ‘Vancouver Jade’ 3 E N 6” 5’ Native ground cover. Vancouver Jade Kinnikinnik Blechnum Spicant 1 2 3 E N 24” 24” GPP. Tolerant of occasional flooding. Deer Fern Native bulb with beautiful blue flower spike in Camassia quamash 1 2 3 D N 18” – 24” 12’’ spring. May self-seed. Drought-tolerant & dies Common Camas down in summer. Cut to the ground in late winter to encourage Carex ‘Ice Dance’ 2 3 E 18’’ 3’ Variegated Sedge filling in.

Carex testacea 1 2 3 E 12” – 18” 18’’ May self-seed. Fine-textured clumping sedge. Orange New Zealand Sedge

Coreopsis verticillata ‘Zagreb’ 3 D 18’’ 18’’ Yellow flowers in summer. Tickseed Leave foliage and seed heads for winter interest Deschampsia flexuosa ‘Aurea’ 1 E 20” 12” and cut back in March before new growth Golden Crinkled Hair Grass emerges. GPP. Cut back in March before new growth and Epimedium rubrum or perralchicum 2 3 E 18” 18” Barrenwort flowers emerge.

Euonymus fortunei ‘Emerald & Gold’ 2 3 E 18” 24” Yellow/green variegated leaves. Wintercreeper euonymous

Euonymus fortunei ‘Interbolwi’ 2 3 D 18” 24’ Yellow leaves with green margins. Blondy Wintercreeper

Euonymus fortunei ‘Kewensis’ 2 3 E 6” 12” Wintercreeper euonymous

Festuca ‘Beyond Blue’ 2 3 D 12’’ 18’’ Blue foliage. Blue Fescue Cut to the ground in late winter for neater Geranium ‘Gerwat’ Rozanne 2 3 D 18” 18” Rozanne geranium appearance.

Plant List | 12 Common Name Zone D or E Native Exposure Mature Size Comments GGP = Great Plant Picks (www.greatplantpicks.org) Scientific Name 1 2 3 Sun Partial Shade Height Width Cut to the ground in late winter for neater Geranium macrorrhizum cultivars 2 3 E 18” 18” Hardy Geranium appearance.

Geranium x cantabrigiense Cut to the ground in late winter for neater 2 3 E 18” 18” ‘Cambridge’ or ‘Biokovo’ appearance. Perennial Geranium For neater appearance cut back dead leaves and flower stalks. Many colors available. May Iris douglasiana 2 3 E N 18” 12” need dividing every few years. Reasons for Pacific Coast Iris division include dieback in center and to increase coverage. For neater appearance cut back dead leaves and E flower stalks. May need dividing every few years. Iris sibirica cultivars 1 N 12” 12” Siberian Iris (Semi) Reasons for division include dieback in center and to increase coverage.

Juniperus conferta ‘Blue Pacific’ 2 3 E 12” 8’ Blue Pacific Shore Juniper Cut to the ground in March every 2-3 years if old Liriope muscari and cultivars 2 3 E 12” 12” Lily Turf leaves are unattractive. Mahonia nervosa 2 3 E N 18” 18” GPP Compact Oregon Grape Mahonia repens 2 3 E N 18” 18” GPP Creeping Oregon Grape Pachysandra terminalis 2 3 E 6” 6” GPP Japanese Spurge Sarcococca hookeriana humilis 3 E 18” 5’ GPP. Winter fragrance. Himalayan Sweet Box

Sedum album ‘Coral Carpet’ 2 3 E 1” 12” Miniature Stonecrop Can be cut back by half in June to prevent flopping. May need dividing every few years. Sedum ‘Autumn Joy’ or ‘Matrona’ 2 3 D 18” 18” Stonecrop Reasons for division include dieback in center and to increase coverage.

Sedum divergens 2 3 E N 6” 6” Tolerates hot dry sites. Stonecrop

Sedum oreganum 2 3 E N 6” 6” Tolerates hot dry sites. Stonecrop Flowers to 36”. Cut off flower stalks to prevent Tellima grandiflora 2 3 D N 12” 12” Fringecup unwanted seeding.

Teucrium chamaedrys 2 3 E 18” 24” Tolerates hot dry sites. Wall Germander

Plant List | 13 Common Name Zone D or E Native Exposure Mature Size Comments GGP = Great Plant Picks (www.greatplantpicks.org) Scientific Name 1 2 3 Sun Partial Shade Height Width

Tolmiea menziesii 2 3 D N 12” 12” Cut off flower stalks to prevent unwanted seeding. Youth on Age Vancouveria hexandra E 2 3 N 12” 12” GPP Inside-Out Flower (Semi)

Veronica repens 2 3 E 6” 12” Cobalt blue flowers in summer. Speedwell Plants 2’ to 5’ Cut to the ground or thin in March every 2-3 years Carex obnupta 1 E N 2’ – 3’ 24” Slough Sedge if overcrowded. GPP. Gold foliage and late summer blue flowers. Caryopteris clandonensis cultivars 3 D 4’ 4’ Deciduous. Drought tolerant. Best if pruned to 8 Bluebeard inches in late summer. Prune to ground in March if too high and to Cornus sanguinea ‘Midwinter Fire’ 1 2 3 D N 5’ 5’ Midwinter Fire Dogwood maintain colorful twigs. Prune to ground in March if too high and to Cornus sericea ‘Kelseyii’ 1 2 3 D N 24” 30” Kelsey Redstem Dogwood maintain colorful twigs. Leave foliage and seed heads for winter interest Echinacea purpurea and cultivars 3 D 2’ – 3’ 36” and cut back in March before new growth Coneflower emerges.

Fuchsia magellanica ‘Aurea’ 2 3 D 2’ – 3’ 2’ – 3’ Remove dead stems in early spring. Dwarf Hardy Fuchsia

Gaultheria shallon 3 E N 2’ – 5’ 2’ – 3’ If height is a problem, plant can be trimmed. Salal

Helictotrichon sempervirens 3 E 2’ – 3’ 24” Blue Oat Grass Late summer flowers and Fall color. Bold leaves Hydrangea quercifolia ‘Pee Wee’ 3 D 4’ 3’ Oak-Leaf Hydrangea in winter. Cut to the ground or thin in March every 2-3 years Juncus effusus cultivars 1 E N 2’ – 3’ 2’ – 3’ Soft Rush if overcrowded. Cut to the ground or thin in March every 2-3 years Juncus patens cultivars 1 E 30” 18” California Gray Rush if overcrowded. Philadelphus x virginalis ‘Belle Etoile’ 3 D 4’ 4’ Deciduous. Fragrant flowers in summer. Dwarf Mock Orange Variegated foliage that emerges pink in spring. Pieris japonica ‘Little Heath’ 3 E 4’ 3’ Little Heath Lily of the Valley Flowers in winter. GPP. Cut back in early spring before new fronds Polystichum munitum 2 3 E N 2’ – 3’ 2’ – 3’ Western Sword Fern appear.

Plant List | 14 Common Name Zone D or E Native Exposure Mature Size Comments GGP = Great Plant Picks (www.greatplantpicks.org) Scientific Name 1 2 3 Sun Partial Shade Height Width GPP. Cut back in early spring before new fronds Polystichum neolobatum 2 3 E 24” 30” Asian Saber Fern appear.

Potentilla fruticosa cultivars 2 3 D N 24” 24” Potentilla Prunus laurocerasus ‘Mount Vernon’ 3 E 24” 5’ GPP. Mount Vernon Cherry Laurel GPP. Blooms in summer. Cut back any time fall to Rudbeckia fulgida and cultivars 2 3 D 2’ – 3’ 3’ Black-Eyed Susan early spring before new growth emerges. Sarcococca confusa 3 E 3’ – 5’ 5’ GPP. Winter fragrance. Sweet Box Cut to the ground or thin in March every 2-3 years Scirpus microcarpus 1 E N 2’ – 3’ 24” Small-Fruited Bulrush if overcrowded. Yellow-orange leaves in spring, followed with Spiraea ‘Magic Carpet’ 3 D N 2’ – 3’ 3’ Magic Carpet Spirea pink flowers Large Shrubs Arbutus unedo ‘Compacta’ 3 E 10’ 10’ GPP. Upright multi-stemmed. Strawberry Tree Hamamelis x intermedia cultivars 3 D 12’ 12’ GPP. Late winter flowers. Witch Hazel

Mahonia aquifolium 2 3 E N 6’ – 8’ 5’ Upright multi-stemmed. Oregon Grape Mahonia ‘Charity’ 2 3 E 10’ 4’ GPP. Upright multi-stemmed. Ornamental Mahonia Ribes sanguineum and cultivars 3 D N 8’ 8’ GPP. Attracts hummingbirds. Red Flowering Currant Sambucus nigra ‘Black Lace’ 1 2 3 D 6’ – 8’ 4’ GPP. Black Lace Elderberry Vaccinium ovatum 2 3 E N 6’ 4’ GPP. Evergreen Huckleberry Vaccinium ‘Sunshine Blue’ 3 D 6’ 6’ GPP. Self-pollinating edible fruits. Good fall color. Blueberry Trees Acer circinatum 2 3 D N 25’ 15’ GPP. Vine Maple Acer griseum 3 D 30’ 20’ GPP. 3-season interest. Paperbark Maple

Calocedrus decurrens 3 E 75’ 15’ Incense Cedar

Plant List | 15 Common Name Zone D or E Native Exposure Mature Size Comments GGP = Great Plant Picks (www.greatplantpicks.org) Scientific Name 1 2 3 Sun Partial Shade Height Width Carpinus betulus ‘Fastigiata’ 2 3 D 40’ 15’ GPP. Pyramidal European Hornbeam

Chamaecyparis obtusa gracilis 3 E 15’ 6’ Dwarf Hinoki Cypress Cornus ‘Eddie’s White Wonder’ 3 D 30’ 20’ GPP. 3-season interest. Eddie’s White Wonder Dogwood Fagus sylvatica ‘Asplenifolia’ 3 D 60’ 50’ GPP. Fernleaf Beech

Ginkgo biloba and cultivars 3 D 50’ 25’ Ginkgo Magnolia ‘Elizabeth’ 3 D 30’ 20’ GPP. Elizabeth Magnolia Magnolia grandifloraand cultivars 3 E 18’ 12’ GPP. Summer Flowering. Evergreen Magnolia Nyssa sylvatica 1 2 3 D 40’ 20’ GPP. Outstanding fall color. Black Tupelo GPP. Outstanding fall color. Unique spring – Oxydendron arboreum 3 D 35’ 12’ Sourwood summer flowers. Parrotia persica and cultivars 3 D 30’ 20’ GPP. Outstanding fall color. Persian Ironwood

Pinus contorta contorta 3 E N 30’ 30’ Shore Pine

Rhamnus purshiana 1 2 3 D N 30’ 20’ Cascara Stewartia pseudocamellia 3 D 25’ 15’ GPP. 3-season interest. Beautiful winter bark. Japanese Stewartia

Styrax japonica 3 D 25’ 25’ Japanese Styrax

Thuja plicata ‘Excelsa’ or ‘Hogan’ 1 2 3 E N 40’ 20’ Narrow form. Western Red Cedar

Ulmus ‘Frontier’ or ‘Morton Glossy’ 1 2 3 D 50’ 35’ Frontier or Morton Glossy Elm Zelkova serrata ‘Greenvase’ or ‘Village Green’ 3 D 45’ 40’ GPP. Green Vase or Village Vase Zelkova

Plant List | 16 For More Plant Choices ¡¡ Rain Garden Handbook for Western Washington www.seattle.gov/util/cs/groups/public/@spu/@usm/docu- ments/webcontent/spu01_006288.pdf ¡¡ Seattle Green Factor Plant List www.seattle.gov/dpd/cs/groups/pan/@pan/documents/ web_informational/dpds021347.pdf ¡¡ Great Plant Picks (especially for planting the slopes and top of rain gardens) www.greatplantpicks.org ¡¡ King County Native Plant Guide green2.kingcounty.gov/gonative/index.aspx

Many thanks to the Rain Garden Handbook for Western Washington.