Plant Profiles — Western Washington

Scientific Name	Common Name	Type	Light	Water	Size	Threats	Native
Abelia grandiflora	Glossy Abelia	broadleaf evergreen shrub	Sun–Part Shade	—	< 10 ft	—	introduced
Abies grandis	Grand Fir	coniferous tree	Part Shade	moderate	100+ ft	25	native
Abies lasiocarpa	Subalpine Fir Rocky Mountain Fir	coniferous tree	Sun–Part Shade	moderate	50–100 ft	25	native
Abies nordmanniana	Nordmann Fir	coniferous tree	Full Sun	moderate	50–100 ft	25	introduced
Acanthus mollis	Bear's Breeches	perennial	Part Shade	moderate	< 10 ft	—	introduced
Acer buergerianum	Trident Maple	broadleaf deciduous tree	Full Sun	—	—	32	introduced
Acer campestre	Hedge Maple	broadleaf deciduous tree	Sun–Part Shade	moderate	—	32	introduced
Acer circinatum	Vine	broadleaf deciduous tree	Part Shade	moderate	10–25 ft	32	native
Acer freemanii	Freeman Maple	broadleaf deciduous tree	Full Sun	—	50–100 ft	32	introduced
Acer glabrum	Rocky Mountain Maple	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	32	native
Acer grandidentatum	Bigtooth Maple	broadleaf deciduous tree	Part Shade	—	10–25 ft	32	native
Acer griseum	Paperbark Maple	broadleaf deciduous tree	Sun–Part Shade	—	25–50 ft	32	introduced
Acer japonicum	Fullmoon Maple	broadleaf deciduous tree	Sun–Part Shade	—	25–50 ft	32	introduced
Acer macrophyllum	Bigleaf Maple	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	32	native
Acer palmatum	Japanese Maple	broadleaf deciduous tree	Part Shade	moderate	10–25 ft	32	introduced
Acer platanoides	Norway Maple	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	32	introduced
Acer rubrum	Red Maple	broadleaf deciduous tree	Part Shade	high	50–100 ft	32	native
Acer saccharum	Sugar Maple	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	32	native
Acer shirasawanum	Shirasawa Maple	broadleaf deciduous tree	Sun–Part Shade	—	25–50 ft	32	introduced
Acer tataricum	Tatarian Maple	broadleaf deciduous tree	Sun–Part Shade	moderate	10–25 ft	32	introduced
Acer truncatum	Purpleblow Maple	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	32	introduced
Achillea clypeolata	Achillea clypeolata	perennial	—	—	—	—	introduced
Achillea millefolium	Common Yarrow	perennial	Full Sun	low-to-moderate	< 10 ft	—	native
Acorus gramineus	Grassy-Leaved Sweet Flag	vine groundcover	Part Shade	moderate-to-high	< 10 ft	—	introduced
Adiantum pedatum	Common Maidenhair	fern	Part Shade	moderate	< 10 ft	—	native
Adiantum venustum	Adiantum venustum	fern	—	—	—	—	introduced
Aesculus x carnea	Red Horsechestnut		—	—	—	—	introduced
Agastache	Anise Hyssop	perennial	Full Sun	moderate	—	—	introduced
Ajuga reptans	Ajuga	perennial	Part Shade	moderate	< 10 ft	—	introduced
Akebia quinata	Five-leaf Akebia Five-leaf Akobin	vine groundcover	Sun–Part Shade	moderate	25–50 ft	—	introduced
Albizia julibrissin	Silk Tree	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	—	introduced
Alchemilla mollis	Lady's Mantle	perennial	Part Shade	moderate	< 10 ft	—	introduced
Allium	Tapertip Onion	perennial	Full Sun	moderate	< 10 ft	23	introduced
Allium cernuum	Allegheny Onion	perennial	Part Shade	low-to-moderate	< 10 ft	—	native
Allium schoenoprasum	Chives	perennial	Part Shade	moderate	< 10 ft	—	introduced
Alnus rubra	Red Alder	broadleaf deciduous tree	Full Sun	high	50–100 ft	18	native
Amelanchier alnifolia	Western Serviceberry	broadleaf deciduous shrub	Full Sun	low	25–50 ft	1	native
Amelanchier fernaldii	Fernald's shadbush		—	—	—	—	native
Amelanchier grandiflora	Apple	broadleaf deciduous tree	—	moderate	10–25 ft	—	introduced
Amelanchier laevis	Allegheny Serviceberry	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	1	native
Amelanchier nantucketensis	Nantucket serviceberry		—	—	< 10 ft	—	native
Amelanchier x grandiflora	Apple Serviceberry		—	—	—	—	native
Anemone	Meadow Anemone or Windflower	perennial	—	—	—	—	introduced
Anemone hybrida	Anemone hybrida	perennial	—	—	—	—	introduced
Aquilegia formosa	Aquilegia formosa	perennial	—	—	—	—	native
Arbutus menziesii	Pacific Madrone	broadleaf evergreen tree	Part Shade	low	50–100 ft	14	native
Arbutus unedo	Strawberry Tree	broadleaf evergreen shrub	Full Sun	moderate	10–25 ft	49	introduced
Arctostaphylos densiflora	Sonoma Manzanita	broadleaf evergreen shrub	Sun–Part Shade	—	< 10 ft	8	native
Arctostaphylos uva	Kinnikinnik Kinnikinick	vine groundcover	Sun–Part Shade	moderate	< 10 ft	8	native
Armeria maritima	Cliff Rose	perennial	Part Shade	low	< 10 ft	—	native
Aronia arbutifolia	Red Chokeberry	broadleaf deciduous shrub	Full Sun	high	10–25 ft	—	native
Aronia melanocarpa	Black Chokeberry	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	native
Aruncus dioicus	Bride’s-feathers	perennial	Part Shade	moderate-to-high	< 10 ft	—	introduced
Asarum caudatum	wild ginger	perennial	Part Shade	moderate	—	—	native
Asclepias incarnata	Swamp milkweed		—	—	< 10 ft	—	native
Asclepias tuberosa	Butterfly weed		—	—	< 10 ft	—	native
Aspidistra elatior	Bar Room Plant	perennial	Part Shade	moderate	< 10 ft	—	introduced
Asplenium scolopendrium	hart's tongue fern	fern	Part Shade	moderate	< 10 ft	—	native
Asplenium trichomanes	Brightgreen Spleenwort	fern	Part Shade	moderate	—	—	introduced
Aster frikartii	Aster frikartii		—	—	—	—	introduced
Aster subspicatus	Aster subspicatus		—	—	—	—	introduced
Astilbe arendsii	Astilbe arendsii	perennial	—	—	—	—	introduced
Astilbe chinensis	Astilbe chinensis	perennial	—	—	—	—	introduced
Athyrium filix	Common Lady Fern	fern	Part Shade	moderate	< 10 ft	—	introduced
Athyrium niponicum	Black Lady Fern	fern	Part Shade	—	< 10 ft	—	introduced
Aucuba japonica	Japanese Aucuba	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	6	introduced
Baptisia australis	Blue False Indigo	perennial	Full Sun	moderate	< 10 ft	—	introduced
Berberis × hortensis	Mahonia media	broadleaf deciduous shrub	—	—	—	—	introduced
Berberis eurybracteata	Chinese Barberry	broadleaf deciduous shrub	Part Shade	—	< 10 ft	—	introduced
Berberis gladwynensis	Berberis gladwynensis	broadleaf deciduous shrub	—	—	—	5	introduced
Berberis nervosa	Longleaf Mahonia Cascade Mahonia	broadleaf evergreen shrub	Part Shade	low	< 10 ft	5	native
Berberis repens	Creeping Mahonia	vine groundcover	Part Shade	moderate	< 10 ft	5	native
Berberis thunbergii	Japanese Barberry	broadleaf deciduous shrub	Full Sun	moderate	< 10 ft	5	introduced
Bergenia cordifolia	Bergenia	perennial	Part Shade	moderate	< 10 ft	—	introduced
Betula nigra	River Birch	broadleaf deciduous tree	Full Sun	high	50–100 ft	12	native
Betula papyrifera	Paper Birch	broadleaf deciduous tree	Full Sun	high	50–100 ft	12	native
Betula utilis	Himalayan Birch	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	12	introduced
Blechnum spicant	Deer Fern	fern	Part Shade	moderate	< 10 ft	—	introduced
Bouteloua gracilis	Blonde Ambition Blue Grama	grass grasslike	Full Sun	moderate	< 10 ft	—	introduced
Brunnera macrophylla	Heartleaf Brunnera	perennial	—	—	—	—	introduced
Buddleia hemsleyana	Butterfly bush		—	—	—	—	introduced
Buxus microphylla	Buxus microphylla	broadleaf evergreen shrub	Part Shade	moderate	—	14	introduced
Buxus sempervirens	Common Boxwood	broadleaf evergreen shrub	Sun–Part Shade	moderate	10–25 ft	14	introduced
Calamagrostis acutiflora	Calamagrostis acutiflora	grass grasslike	—	—	—	—	introduced
Callitropsis nootkatensis	Alaska Cedar	coniferous tree	Part Shade	moderate	50–100 ft	4	native
Calluna vulgaris	Scotch Heather	broadleaf evergreen shrub	Full Sun	moderate	< 10 ft	1	introduced
Calocedrus decurrens	Incense Cedar	coniferous tree	Part Shade	low	100+ ft	4	native
Calycanthus floridus	Carolina Allspice	broadleaf deciduous shrub	Sun–Part Shade	moderate	< 10 ft	—	native
Camassia leichtlinii	Camas	perennial	Part Shade	moderate	—	—	native
Camassia quamash	Camassia quamash	perennial	—	—	—	—	native
Camellia japonica	Japanese Camellia	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	17	introduced
Camellia sasanqua	Sasanqua Camellia	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	17	introduced
Camellia williamsii	Camellia williamsii	broadleaf deciduous shrub	—	—	—	—	introduced
Campanula poscharskyana	Serbian bellflower	perennial	Part Shade	moderate	< 10 ft	—	introduced
Carex buchananii	Curly Top Sedge	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Carex densa	Carex densa	grass grasslike	—	—	—	—	introduced
Carex divulsa	European Gray Sedge	grass grasslike	Part Shade	moderate	< 10 ft	—	introduced
Carex elata	Bowles Golden Sedge	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Carex flacca	blue green sedge	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Carex morrowii	Everglow Sedge	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Carex obnupta	Carex obnupta	grass grasslike	—	—	—	—	native
Carex oshimensis	Everest Sedge	grass grasslike	Part Shade	moderate	< 10 ft	—	introduced
Carex pachystachya	Carex pachystachya	grass grasslike	—	—	—	—	introduced
Carex stipata	Carex stipata	grass grasslike	—	—	—	—	introduced
Carex testacea	Carex testacea	grass grasslike	—	—	—	—	introduced
Carex tumulicola	Carex tumulicola	grass grasslike	—	—	—	—	introduced
Carpinus betulus	European Hornbeam	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	introduced
Carpinus caroliniana	American Hornbeam	broadleaf deciduous tree	Sun–Part Shade	—	25–50 ft	—	introduced
Carpinus japonica	Japanese Hornbeam	broadleaf deciduous tree	Sun–Part Shade	—	25–50 ft	—	introduced
Ceanothus gloriosus	Point Reyes Ceanothus	vine groundcover	Full Sun	—	< 10 ft	5	introduced
Cedrus atlantica	Atlas Cedar	coniferous tree	Sun–Part Shade	—	50–100 ft	5	introduced
Cedrus deodara	Deodar Cedar	coniferous tree	Part Shade	low	50–100 ft	5	introduced
Cephalotaxus harringtonia	Japanese Plum Yew	coniferous tree	Part Shade	—	25–50 ft	21	introduced
Cercidiphyllum japonicum	Katsura Tree	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	introduced
Cercis canadensis	Eastern Redbud	broadleaf deciduous tree	Part Shade	low	25–50 ft	2	native
Chaenomeles speciosa	Flowering Quince	broadleaf deciduous shrub	Part Shade	—	10–25 ft	—	introduced
Chamaecyparis obtusa	Hinoki Falsecypress	coniferous tree	—	moderate	50–100 ft	3	introduced
Chamaecyparis pisifera	Sawara Falsecypress	coniferous tree	—	—	100+ ft	3	introduced
Chionanthus retusus	Chinese Fringetree	broadleaf deciduous shrub	Part Shade	—	10–25 ft	—	introduced
Chionanthus virginicus	White Fringetree	broadleaf deciduous shrub	Part Shade	high	10–25 ft	—	native
Choisya dewitteana	Choisya dewitteana	broadleaf deciduous shrub	—	—	—	1	introduced
Choisya ternata	Mexican Orange	broadleaf evergreen shrub	Full Sun	—	< 10 ft	1	introduced
Cistus corbariensis	White Rockrose	broadleaf evergreen shrub	Full Sun	—	< 10 ft	2	introduced
Cistus hybridus	White Rockrose	broadleaf evergreen shrub	—	moderate	—	2	introduced
Cistus pulverulentus	Cistus pulverulentus	broadleaf deciduous shrub	—	—	—	2	introduced
Cistus purpureus	Orchid Rockrose	broadleaf evergreen shrub	Full Sun	—	< 10 ft	6	introduced
Cladrastis kentukea	American Yellowwood	broadleaf deciduous tree	Part Shade	low	25–50 ft	—	introduced
Clematis armandii	Evergreen Clematis	vine groundcover	Sun–Part Shade	—	10–25 ft	2	introduced
Coreopsis auriculata	Eared Coreopsis	perennial	Part Shade	—	< 10 ft	—	introduced
Coreopsis verticillata	Threadleaf Coreopsis	perennial	Part Shade	low-to-moderate	< 10 ft	—	native
Cornus alba	Tatarian Dogwood	broadleaf deciduous shrub	—	—	10–25 ft	15	introduced
Cornus canadensis	Bunchberry	vine groundcover	Part Shade	high	< 10 ft	15	native
Cornus florida	Flowering Dogwood	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	15	native
Cornus kousa	Kousa Dogwood	broadleaf deciduous tree	Part Shade	moderate	10–25 ft	15	introduced
Cornus mas	Corneliancherry Dogwood	broadleaf deciduous tree	Part Shade	moderate	10–25 ft	15	introduced
Cornus sanguinea	Bloodtwig Dogwood	broadleaf deciduous shrub	Sun–Part Shade	—	10–25 ft	15	introduced
Cornus sericea	Cornus sericea	broadleaf deciduous shrub	Full Sun	moderate	< 10 ft	15	introduced
Corylus cornuta	Beaked Hazelnut	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	—	native
Cotinus coggygria	Common Smoketree Smokebush	broadleaf deciduous shrub	Full Sun	moderate	10–25 ft	2	introduced
Cotoneaster dammeri	Bearberry Cotoneaster	vine groundcover	Sun–Part Shade	—	< 10 ft	7	introduced
Crataegus douglasii	Black Hawthorn	broadleaf deciduous tree	Part Shade	high	10–25 ft	18	native
Crataegus lavallei	Lavalle Hawthorn	broadleaf deciduous tree	Full Sun	—	25–50 ft	18	introduced
Crataegus phaenopyrum	Washington Hawthorn	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	18	native
Crocosmia	Coppertip	perennial	Part Shade	—	< 10 ft	—	introduced
Crocosmia crocosmiiflora	Crocosmia crocosmiiflora	perennial	—	—	—	—	introduced
Cryptomeria japonica	Japanese Cedar	coniferous tree	Full Sun	moderate	50–100 ft	4	introduced
Cupressocyparis leylandii	Green Rocket Leyland Cypress	coniferous tree	Part Shade	moderate	100+ ft	—	introduced
Cupressus macrocarpa	Monterey Cypress	coniferous tree	Full Sun	moderate	50–100 ft	2	native
Cupressus sempervirens	Italian Cypress	coniferous tree	Full Sun	moderate	50–100 ft	2	introduced
Daphne odora	Fragrant Daphne	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	7	introduced
Daphne transatlantica	Daphne transatlantica	broadleaf deciduous shrub	—	—	—	—	introduced
Deschampsia cespitosa	Tufted Hair Grass	grass grasslike	Part Shade	moderate	< 10 ft	—	introduced
Deutzia gracilis	Slender Deutzia	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Dicentra formosa	Dicentra formosa	perennial	—	—	—	—	introduced
Dicentra spectabilis	Asian Bleeding Heart	perennial	Part Shade	moderate	< 10 ft	—	introduced
Diospyros kaki	Japanese Persimmon	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	—	introduced
Distylium	Distylium	broadleaf deciduous shrub	Part Shade	—	10–25 ft	—	introduced
Drimys lanceolata	Mountain Pepper	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	—	introduced
Dryopteris erythrosora	Autumn Fern	fern	Part Shade	moderate	< 10 ft	—	introduced
Dryopteris expansa	Dryopteris expansa	fern	—	—	—	—	introduced
Dryopteris lepidopoda	Dryopteris lepidopoda	fern	—	—	—	—	introduced
Echinacea purpurea	Coneflower	perennial	Part Shade	low-to-moderate	< 10 ft	—	native
Eleocharis palustris	creeping spike rush	grass grasslike	Part Shade	high	< 10 ft	—	introduced
Enkianthus campanulatus	Redvein Enkianthus	broadleaf deciduous shrub	Sun–Part Shade	—	< 10 ft	—	introduced
Enkianthus perulatus	White enkianthus		—	—	< 10 ft	—	introduced
Epimedium grandiflorum	bishop's hat	perennial	Part Shade	low-to-moderate	< 10 ft	—	introduced
Epimedium perralchicum	Epimedium perralchicum	perennial	—	—	—	—	introduced
Epimedium rubrum	Epimedium rubrum	perennial	—	—	—	—	introduced
Epimedium sulphureum	Epimedium sulphureum	perennial	—	—	—	—	introduced
Equisetum hyemale	Horsetail Reed	fern	Part Shade	moderate	—	—	native
Erica carnea	Spring Heath Winter Heath	vine groundcover	Full Sun	—	—	—	introduced
Erica darleyensis	Darley Heath	broadleaf evergreen shrub	Full Sun	—	< 10 ft	—	introduced
Erigeron glaucus	Erigeron glaucus	perennial	—	—	—	—	native
Eriophyllum lanatum	Woolly Sunflower	perennial	—	—	—	—	native
Escallonia	Escallonia	broadleaf deciduous shrub	—	—	—	—	introduced
Escallonia exoniensis	Escallonia exoniensis	broadleaf deciduous shrub	—	—	—	—	introduced
Euonymus alatus	Euonymus alatus	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	7	introduced
Euonymus fortunei	Wintercreeper Euonymus	vine groundcover	Sun–Part Shade	moderate	< 10 ft	7	introduced
Euonymus japonicus	Japanese Spindle	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	7	introduced
Euphorbia amygdaloides	spurge	perennial	Part Shade	low-to-moderate	< 10 ft	—	introduced
Euphorbia characias	Albanian Spurge	perennial	Part Shade	—	< 10 ft	—	introduced
Euphorbia martinii	Euphorbia martinii	perennial	—	—	—	—	introduced
Eutrochium fistulosum	Hollow Joe pye weed		—	—	< 10 ft	—	native
Fagus sylvatica	European Beech	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	3	introduced
Fargesia rufa	hardy bamboo	grass grasslike	Part Shade	moderate	10–25 ft	—	introduced
Fatsia japonica	Japanese Fatsia	broadleaf evergreen shrub	Shade	—	< 10 ft	1	introduced
Festuca glauca	Blue Fescue	grass grasslike	Part Shade	low-to-moderate	< 10 ft	—	introduced
Festuca idahoensis	Festuca idahoensis	grass grasslike	—	—	—	—	introduced
Festuca ovina	Festuca ovina	grass grasslike	—	—	—	—	introduced
Festuca roemeri	Festuca roemeri	grass grasslike	—	—	—	—	introduced
Ficus carica	Common Fig	broadleaf deciduous tree	Full Sun	moderate	10–25 ft	5	introduced
Forsythia ×intermedia	Showy Forsythia	broadleaf deciduous shrub	Full Sun	moderate	10–25 ft	—	introduced
Forsythia x intermedia	Northern Lights Forsythia		—	—	—	—	introduced
Fothergilla gardenii	Dwarf Fothergilla	broadleaf deciduous shrub	Part Shade	high	< 10 ft	1	native
Fothergilla major	Large Fothergilla Mountain Witchalder	broadleaf deciduous shrub	Sun–Part Shade	—	10–25 ft	1	native
Fragaria chiloensis	Beach Strawberry Sand Strawberry	vine groundcover	Full Sun	moderate	< 10 ft	29	native
Fragaria vesca	wild strawberry	perennial	Part Shade	moderate	—	—	introduced
Fragaria virginiana	Scarlett Strawberry	perennial	Part Shade	moderate	—	—	native
Frangula purshiana	Cascara Cascara Buckthorn	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	1	native
Fraxinus americana	White Ash	broadleaf deciduous tree	Full Sun	high	50–100 ft	16	native
Fraxinus angustifolia	Fraxinus angustifolia	broadleaf deciduous tree	—	—	—	—	introduced
Fraxinus latifolia	Oregon Ash	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	16	native
Fraxinus pennsylvanica	Green Ash	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	16	native
Fritillaria affinis	Fritillaria affinis	perennial	—	—	—	—	native
Fuchsia magellanica	Magellan Fuchsia	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	10	introduced
Galium odoratum	Sweet Woodruff	perennial	Shade	moderate	—	1	introduced
Gardenia jasminoides	Cape Jasmine	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Garrya elliptica	Wavyleaf Silktassel	broadleaf evergreen shrub	Sun–Part Shade	moderate	< 10 ft	—	native
Gaultheria procumbens	Wintergreen	broadleaf evergreen shrub	Part Shade	low	< 10 ft	2	native
Gaultheria shallon	Salal	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	2	native
Gaura lindheimeri	Whirling Butterflies or White Gaura	perennial	—	—	—	—	introduced
Geranium	Cranesbill	perennial	Full Sun	moderate	< 10 ft	5	introduced
Geranium cantabrigiense	Geranium cantabrigiense	perennial	—	—	—	—	introduced
Geranium macrorrhizum	cranesbill	perennial	Part Shade	low-to-moderate	< 10 ft	—	introduced
Geum	Chilean Avens	perennial	Part Shade	moderate	< 10 ft	2	introduced
Geum chiloense	Geum chiloense	perennial	—	—	—	—	introduced
Ginkgo biloba	Ginkgo Maidenhair Tree	coniferous tree	Full Sun	moderate	25–50 ft	—	introduced
Gleditsia triacanthos	Honeylocust	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	4	native
Gunnera tinctoria	gunnera	perennial	Part Shade	moderate-to-high	< 10 ft	—	introduced
Gymnocladus dioicus	Coffeetree	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	—	native
Hakonechloa macra	Japanese Forest Grass	grass grasslike	—	—	—	—	introduced
Halesia carolina	Carolina Silverbell Mountain Silverbell	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	native
Hamamelis ×intermedia	Hybrid Witch Hazel	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	1	introduced
Hamamelis virginiana	Common Witchhazel	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	1	native
Hebe buxifolia	Hebe buxifolia	broadleaf deciduous shrub	—	—	—	—	introduced
Helictotrichon sempervirens	Blue Oat Grass	grass grasslike	—	—	—	—	introduced
Helleborus	Hellebore	perennial	Part Shade	moderate	—	3	introduced
Helleborus hybridus	Helleborus hybridus	perennial	—	—	—	—	introduced
Helleborus orientalis	Christmas Rose	perennial	Part Shade	moderate	< 10 ft	—	introduced
Hemerocallis	Daylily	perennial	—	moderate	—	3	introduced
Hemerocallis hybrid	Hemerocallis hybrid	perennial	—	—	—	—	introduced
Heptacodium miconioides	Seven Sons Flower	broadleaf deciduous shrub	Sun–Part Shade	—	10–25 ft	—	introduced
Heuchera micrantha	Coral Bells	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	native
Heuchera northern	Heuchera northern	perennial	—	—	—	—	introduced
Hibiscus moscheutos	Crimsoneyed rosemallow		—	—	< 10 ft	—	native
Hibiscus syriacus	Rose	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	34	introduced
Holodiscus discolor	Oceanspray Creambush	broadleaf deciduous shrub	Full Sun	high	10–25 ft	1	native
Hosta fortunei	Hosta fortunei	perennial	—	—	—	—	introduced
Hydrangea anomala	climbing hydrangea	broadleaf deciduous shrub	Part Shade	moderate	25–50 ft	—	introduced
Hydrangea arborescens	Hydrangea	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	14	introduced
Hydrangea macrophylla	Bigleaf Hydrangea	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	14	introduced
Hydrangea paniculata	Panicle Hydrangea	broadleaf deciduous shrub	Part Shade	high	10–25 ft	14	introduced
Hydrangea quercifolia	Oakleaf Hydrangea	broadleaf deciduous shrub	Full Sun	moderate	< 10 ft	14	native
Hydrangea serrata	Blood-on-the-Snow	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Hypericum calycinum	Creeping St. John's Wort Aaron's Beard	vine groundcover	Part Shade	moderate	< 10 ft	2	introduced
Iberis sempervirens	Evergreen Candytuft	vine groundcover	Part Shade	moderate	< 10 ft	1	introduced
Ilex crenata	Japanese Holly	broadleaf evergreen shrub	Sun–Part Shade	moderate	< 10 ft	20	introduced
Ilex glabra	Inkberry Inkberry Holly	broadleaf evergreen shrub	Full Sun	high	< 10 ft	20	native
Ilex opaca	American Holly		—	—	25–50 ft	—	native
Imperata cylindrica	Cogongrass	grass grasslike	Part Shade	low-to-moderate	< 10 ft	—	introduced
Iris douglasiana	Douglas' Iris	bulb	Part Shade	moderate	< 10 ft	—	native
Iris pseudacorus	Yellow flag iris		—	—	< 10 ft	—	naturalized
Iris setosa	Iris setosa	perennial	—	—	—	—	native
Iris sibirica	Siberian Flag	perennial	Part Shade	—	< 10 ft	—	introduced
Iris tenax	Iris tenax	perennial	—	—	—	—	native
Itea virginica	Sweetspire	broadleaf deciduous shrub	Part Shade	high	< 10 ft	—	native
Juncus effusus	Common Rush	grass grasslike	Full Sun	high	< 10 ft	—	native
Juncus ensifolius	Daggerleaf Rush	grass grasslike	Part Shade	high	< 10 ft	—	native
Juncus inflexus	Hard Rush	grass grasslike	Part Shade	high	< 10 ft	—	introduced
Juncus patens	Juncus patens	grass grasslike	—	—	—	—	introduced
Juncus tenuis	Path Rush	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	native
Juniperus chinensis	Chinese Juniper	coniferous tree	Part Shade	moderate	50–100 ft	22	introduced
Juniperus conferta	Juniperus conferta	coniferous shrub	Full Sun	moderate	< 10 ft	22	introduced
Juniperus horizontalis	Creeping Juniper	coniferous shrub	Full Sun	moderate	10–25 ft	22	native
Juniperus sabina	Savin Juniper	coniferous shrub	Full Sun	moderate	10–25 ft	22	introduced
Juniperus scopulorum	Rocky Mountain Juniper	coniferous tree	Full Sun	low	25–50 ft	22	native
Juniperus squamata	Singleseed Juniper	coniferous tree	Full Sun	moderate	25–50 ft	22	introduced
Kalmia latifolia	Mountain Laurel	broadleaf evergreen shrub	Part Shade	low	< 10 ft	2	native
Koelreuteria paniculata	Golden Raintree	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	—	introduced
Kolkwitzia amabilis	Beautybush	broadleaf deciduous shrub	Sun–Part Shade	—	10–25 ft	—	introduced
Lagerstroemia indica	Common Crape Myrtle	broadleaf deciduous tree	Full Sun	low	10–25 ft	1	introduced
Lagerstroemia x Natchez	Crape myrtle Natchez		—	—	—	—	introduced
Lamium purpureum	Purple deadnettle		—	—	—	—	naturalized
Lavandula angustifolia	Lavender	broadleaf evergreen shrub	Full Sun	moderate	< 10 ft	—	introduced
Lavandula intermedia	Lavandula intermedia	perennial	—	—	—	—	introduced
Lavandula stoechas	Bract Lavender	perennial	Full Sun	—	—	—	introduced
Leptinella squalida	brass buttons	perennial	Part Shade	moderate	—	—	introduced
Leucanthemum superbum	Leucanthemum superbum	perennial	—	—	—	—	introduced
Leucothoe axillaris	Coast Leucothoen Coastal Doghobble Fetter Bush	broadleaf evergreen shrub	Part Shade	low	< 10 ft	1	introduced
Leucothoe fontanesiana	Drooping Leucothoe	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	1	native
Leymus mollis	Leymus mollis	grass grasslike	—	—	—	—	introduced
Liatris spicata	Blazing Star	perennial	Full Sun	moderate	< 10 ft	—	native
Ligustrum japonicum	Japanese Privet	broadleaf evergreen shrub	Part Shade	low	< 10 ft	4	introduced
Lilium columbianum	Lilium columbianum	perennial	—	—	—	—	native
Lindera benzoin	Spicebush	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	—	native
Liquidambar styraciflua	Sweetgum	broadleaf deciduous tree	Full Sun	high	50–100 ft	2	native
Liriodendron tulipifera	Tuliptree	broadleaf deciduous tree	Full Sun	moderate	100+ ft	3	native
Liriope	Lilyturf	perennial	Part Shade	—	< 10 ft	—	introduced
Liriope muscari	Big Blue	perennial	Part Shade	moderate	< 10 ft	—	introduced
Liriope spicata	Creeping Lilyturf	perennial	Part Shade	moderate	< 10 ft	—	introduced
Lithodora diffusa	lithodora	perennial	Part Shade	moderate	< 10 ft	—	introduced
Lonicera heckrottii	Lonicera heckrottii	vine groundcover	—	—	—	—	introduced
Lonicera involucrata	Twinberry	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	4	native
Lonicera nitida	Box Honeysuckle	broadleaf evergreen shrub	Sun–Part Shade	moderate	< 10 ft	4	introduced
Lonicera pileata	Privet	broadleaf evergreen shrub	Sun–Part Shade	moderate	< 10 ft	8	introduced
Lupinus polyphyllus	Lupine	perennial	Full Sun	moderate	< 10 ft	—	native
Lupinus rivularis	Lupinus rivularis	perennial	—	—	—	—	native
Lysichiton americanus	Lysichiton americanus		—	—	—	—	native
Lysimachia nummularia	Creeping Charlie	perennial	Part Shade	moderate-to-high	—	—	introduced
Magnolia grandiflora	Southern Magnolia	broadleaf evergreen tree	Part Shade	high	50–100 ft	5	native
Magnolia kobus	Kobus Magnolia	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	5	introduced
Magnolia loebneri	Loebner Magnolia	broadleaf deciduous tree	Sun–Part Shade	moderate	25–50 ft	5	introduced
Magnolia stellata	Star Magnolia	broadleaf deciduous shrub	Full Sun	moderate	10–25 ft	5	introduced
Magnolia virginiana	Sweetbay Magnolia	broadleaf evergreen tree	Part Shade	high	50–100 ft	5	native
Magnolia x soulangeana	Saucer Magnolia		—	—	—	—	introduced
Maianthemum racemosum	Eastern Solomon's-plume	perennial	Part Shade	moderate	< 10 ft	—	native
Malus Adirondack	Crabapple Adirondack		—	—	—	—	introduced
Malus Coralburst	Coral Burst Crabapple		—	—	—	—	introduced
Malus domestica	Apple	broadleaf deciduous tree	Part Shade	—	25–50 ft	1	introduced
Malus Donald Wyman	Donald Wyman Crabapple		—	—	—	—	introduced
Malus fusca	Pacific Crabapple	broadleaf deciduous shrub	Part Shade	high	25–50 ft	59	native
Malus Spring Snow	Spring Snow Crabapple		—	—	—	—	introduced
Metasequoia glyptostroboides	Dawn Redwood	coniferous tree	Full Sun	high	50–100 ft	—	introduced
Mimulus guttatus	Mimulus guttatus		—	—	—	—	native
Miscanthus sinensis	Chinese Silvergrass	grass grasslike	Part Shade	moderate	10–25 ft	—	introduced
Molinia caerulea	Purple Moor Grass	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Monarda spp	Beebalm		—	—	—	—	native
Musa basjoo	Basjoo Banana Tree	perennial	Part Shade	moderate	10–25 ft	—	introduced
Myrica californica	Pacific Waxmyrtle	broadleaf evergreen shrub	Part Shade	moderate	—	—	native
Myrica gale	Sweetgale	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	native
Nandina domestica	Heavenly Bamboo Sacred Bamboo	broadleaf evergreen shrub	Part Shade	high	< 10 ft	4	introduced
Nassella tenuissima	Argentine Needle-Grass	grass grasslike	Part Shade	low-to-moderate	< 10 ft	—	native
Nepeta faassenii	Nepeta faassenii	perennial	—	—	—	—	introduced
Nyssa sylvatica	Sour Gum Black Gum Black Tupelo	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	native
Oemleria cerasiformis	Indian Plum	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	—	native
Ophiopogon japonicus	Dwarf Lilyturf	perennial	Part Shade	moderate	< 10 ft	—	introduced
Ophiopogon planiscapus	Black Mondo Grass	perennial	Part Shade	moderate	< 10 ft	—	introduced
Osmanthus burkwoodii	Burkwood Osmanthus	broadleaf evergreen shrub	Sun–Part Shade	—	< 10 ft	—	introduced
Osmanthus delavayi	Delavay Osmanthus Delavay Tea Olive	broadleaf evergreen shrub	Sun–Part Shade	—	< 10 ft	—	introduced
Osmanthus fortunei	Fortune's Osmanthus	broadleaf evergreen shrub	Sun–Part Shade	—	10–25 ft	—	introduced
Osmanthus heterophyllus	Holly Osmanthus Holly-leaf Osmanthus	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	10	introduced
Ostrya virginiana	Ironwood	broadleaf deciduous tree	Part Shade	low	25–50 ft	—	native
Oxalis oregana	Oregon Oxalis Redwood	perennial	Part Shade	moderate	—	2	native
Pachysandra terminalis	Pachysandra Japanese Spurge	vine groundcover	Part Shade	high	< 10 ft	2	introduced
Paeonia lactiflora	peony	perennial	Part Shade	moderate	< 10 ft	—	introduced
Panicum virgatum	Panic Grass	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	native
Parrotia persica	Persian Ironwood	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	introduced
Parthenocissus quinquefolia	Virginia Creeper Woodbine	vine groundcover	Part Shade	low	< 10 ft	4	native
Parthenocissus tricuspidata	Boston Ivy	vine groundcover	Part Shade	high	25–50 ft	4	introduced
Passiflora caerulea	Passion Flower Blue Passion Flower Blue Crown Passion Flower	vine groundcover	Full Sun	moderate	25–50 ft	—	introduced
Pennisetum alopecuroides	Chinese Fountaingrass	grass grasslike	Part Shade	moderate-to-high	< 10 ft	—	introduced
Pennisetum orientale	Oriental Fountain Grass	grass grasslike	Part Shade	—	< 10 ft	—	introduced
Perovskia atriplicifolia	Russian Sage	perennial	Full Sun	low-to-moderate	< 10 ft	—	introduced
Philadelphus coronarius	Sweet Mockorange		—	—	—	—	introduced
Philadelphus lewisii	Lewis' Mock Orange	broadleaf deciduous shrub	Full Sun	low	10–25 ft	1	native
Photinia ×fraseri	Red Tip Photinia	broadleaf evergreen shrub	Full Sun	moderate	10–25 ft	12	introduced
Phyllostachys aurea	Bamboo	grass grasslike	Part Shade	—	10–25 ft	—	introduced
Phyllostachys nigra	Phyllostachys nigra	grass grasslike	—	—	—	—	introduced
Physocarpus capitatus	Western Ninebark Pacific Ninebark	broadleaf deciduous shrub	Full Sun	low	10–25 ft	1	native
Physocarpus opulifolius	Common Ninebark	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	1	native
Picea abies	Norway Spruce	coniferous tree	Part Shade	moderate	50–100 ft	31	introduced
Picea glauca	White Spruce	coniferous tree	Part Shade	moderate	50–100 ft	31	native
Picea omorika	Serbian Spruce	coniferous tree	Full Sun	high	50–100 ft	31	introduced
Picea pungens	Colorado Spruce	coniferous tree	Part Shade	moderate	50–100 ft	31	native
Picea sitchensis	Sitka Spruce	coniferous tree	Part Shade	high	100+ ft	31	native
Pieris floribunda	Mountain pieris		—	—	—	—	native
Pieris japonica	Japanese Pieris	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	4	introduced
Pinus contorta	Lodgepole Pine	coniferous tree	Full Sun	low	50–100 ft	49	native
Pinus flexilis	Limber Pine	coniferous tree	Full Sun	low	25–50 ft	49	native
Pinus leucodermis	Bosnian Pine	coniferous tree	—	—	—	49	introduced
Pinus monticola	Western White Pine	coniferous tree	Part Shade	moderate	50–100 ft	49	native
Pinus mugo	Mugo Pine	coniferous shrub	Full Sun	low	< 10 ft	49	introduced
Pinus nigra	Austrian Pine	coniferous tree	Full Sun	moderate	100+ ft	49	introduced
Pinus ponderosa	Ponderosa Pine	coniferous tree	Full Sun	moderate	50–100 ft	49	native
Pinus strobus	Eastern White Pine	coniferous tree	Part Shade	moderate	50–100 ft	49	native
Pinus sylvestris	Scots Pine	coniferous tree	Full Sun	moderate	50–100 ft	49	introduced
Pinus thunbergii	Japanese Black Pine	coniferous tree	Full Sun	moderate	50–100 ft	49	introduced
Pinus wallichiana	Himalayan Pine	coniferous tree	Full Sun	moderate	25–50 ft	49	introduced
Pittosporum tobira	Japanese Mock Orange Mock Orange Tobira Japanese Pittosporum	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	—	introduced
Platanus acerifolia	London Planetree	broadleaf deciduous tree	Sun–Part Shade	—	50–100 ft	7	introduced
Podophyllum peltatum	Mayapple		—	—	< 10 ft	—	native
Polygonatum odoratum	Solomon's seal	perennial	Part Shade	moderate-to-high	< 10 ft	—	introduced
Polystichum munitum	Swordfern Western Swordfern	fern	Part Shade	moderate	< 10 ft	2	native
Polystichum polyblepharum	Japanese tassel fern	fern	Part Shade	moderate	< 10 ft	—	introduced
Polystichum setiferum	Hedge Fern	fern	Part Shade	low-to-moderate	< 10 ft	—	introduced
Populus tremuloides	Quaking Aspen	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	32	native
Potentilla fruticosa	Shrubby Cinquefoil	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Primula veris	Cowslip Primrose	perennial	Part Shade	moderate	—	—	introduced
Prunus armeniaca	Apricot	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	98	introduced
Prunus avium	Sweet Cherry	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	98	introduced
Prunus cerasifera	Cherry	broadleaf deciduous tree	Full Sun	moderate	10–25 ft	109	introduced
Prunus cistena	Purpleleaf Sandcherry Redleaf Sandcherry Cistena Sandcherry Cistena Plum	broadleaf deciduous shrub	Full Sun	—	10–25 ft	98	introduced
Prunus domestica	Common Plum	broadleaf deciduous tree	Full Sun	—	10–25 ft	—	introduced
Prunus emarginata	Bitter Cherry	broadleaf deciduous shrub	Sun–Part Shade	moderate	25–50 ft	98	native
Prunus laurocerasus	Cherry	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	100	introduced
Prunus lusitanica	Portugal Laurel	broadleaf evergreen shrub	Part Shade	moderate	10–25 ft	99	introduced
Prunus sargentii	Sargent Cherry	broadleaf deciduous tree	Part Shade	moderate	10–25 ft	98	introduced
Prunus serrulata	Japanese Flowering Cherry	broadleaf deciduous tree	Full Sun	moderate	10–25 ft	98	introduced
Prunus tomentosa	Manchu Cherry		—	—	10–25 ft	—	introduced
Prunus virginiana	Prunus virginiana	broadleaf deciduous shrub	Part Shade	moderate	—	98	introduced
Prunus yedoensis	Yoshino Cherry	broadleaf deciduous tree	—	—	25–50 ft	98	introduced
Pseudotsuga menziesii	Douglas-fir	coniferous tree	Part Shade	moderate	100+ ft	26	native
Pyrus calleryana	Callery Pear	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	36	introduced
Pyrus communis	Common Pear	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	41	introduced
Pyrus pyrifolia	Asian Pear	broadleaf deciduous tree	Full Sun	moderate	10–25 ft	—	introduced
Quercus bicolor	Swamp White Oak	broadleaf deciduous tree	Part Shade	high	50–100 ft	28	native
Quercus bimundorum	Two Worlds Oak	broadleaf deciduous tree	—	—	25–50 ft	28	native
Quercus coccinea	Scarlet Oak	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	28	native
Quercus frainetto	Hungarian Oak	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	28	introduced
Quercus garryana	Oregon White Oak	broadleaf deciduous tree	Full Sun	low	50–100 ft	28	native
Quercus macrocarpa	Bur Oak	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	28	native
Quercus palustris	Pin Oak	broadleaf deciduous tree	Full Sun	high	50–100 ft	28	native
Quercus phellos	Willow	broadleaf deciduous tree	Full Sun	high	50–100 ft	50	native
Quercus robur	English Oak	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	28	introduced
Quercus rubra	Northern Red Oak	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	28	native
Quercus shumardii	Oaks	broadleaf deciduous tree	Part Shade	low-to-moderate	50–100 ft	—	native
Quercus warei	Quercus warei	broadleaf deciduous tree	—	—	—	—	introduced
Rhamnus purshiana	Cascara Cascara Buckthorn	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	1	native
Rhaphiolepis indica	Indian Hawthorn	broadleaf evergreen shrub	Full Sun	moderate	< 10 ft	9	introduced
Rhaphiolepis umbellata	Yeddo Rhaphiolepis Yeddo Hawthorn	broadleaf evergreen shrub	Full Sun	moderate	< 10 ft	9	introduced
Rhododendron atlanticum	Dwarf azalea		—	—	< 10 ft	—	native
Rhododendron catawbiense	Catawba Rhododendron	broadleaf evergreen shrub	Part Shade	—	< 10 ft	49	native
Rhododendron impeditum	Dwarf Purple Rhododendron	broadleaf deciduous shrub	Part Shade	—	< 10 ft	—	introduced
Rhododendron macrophyllum	Pacific Rhododendron	broadleaf evergreen shrub	Part Shade	high	10–25 ft	49	native
Rhododendron maximum	Rosebay Rhododendron		—	—	10–25 ft	—	native
Rhododendron periclymenoides	Pinxterbloom azalea		—	—	< 10 ft	—	native
Rhododendron yakushimanum	Yak Rhododendron	broadleaf evergreen shrub	—	—	< 10 ft	49	introduced
Rhus aromatica	Fragrant Sumac	broadleaf deciduous shrub	Full Sun	low	< 10 ft	—	native
Rhus typhina	Staghorn Sumac	broadleaf deciduous shrub	Part Shade	low	10–25 ft	—	native
Ribes aureum	Golden Currant	broadleaf deciduous shrub	Sun–Part Shade	moderate	< 10 ft	5	native
Ribes sanguineum	Red-flowering Currant	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	5	native
Rosa gymnocarpa	Little Wood Rose	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	50	native
Rosa nutkana	Nootka Rose	broadleaf deciduous shrub	Part Shade	high	10–25 ft	50	native
Rosa pisocarpa	Clustered Rose	broadleaf deciduous shrub	Sun–Part Shade	—	< 10 ft	50	native
Rosa rugosa	Rugosa Rose	broadleaf deciduous shrub	Full Sun	moderate	< 10 ft	51	introduced
Rosmarinus officinalis	Rosemary	broadleaf evergreen shrub	Full Sun	low	< 10 ft	2	introduced
Rubus parviflorus	Thimbleberry Western Thimbleberry	broadleaf deciduous shrub	Sun–Part Shade	moderate	< 10 ft	31	native
Rubus rolfei	Creeping Raspberry	vine groundcover	Sun–Part Shade	—	—	31	introduced
Rubus spectabilis	Salmonberry	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	31	native
Rudbeckia fulgida	Black-eyed Susan	perennial	Full Sun	low-to-moderate	< 10 ft	—	native
Rudbeckia hirta	Black Eyed Susan	perennial	Part Shade	moderate	< 10 ft	—	native
Sagina subulata	Irish and Scotch Moss	perennial	—	—	—	—	introduced
Salix alba	Salix alba	broadleaf deciduous tree	Full Sun	high	50–100 ft	24	introduced
Salix hookeriana	Salix hookeriana	broadleaf deciduous tree	—	—	—	—	native
Salix integra	Salix integra	broadleaf deciduous shrub	—	—	—	24	introduced
Salix lucida	Salix lucida	broadleaf deciduous tree	—	—	—	—	introduced
Salix purpurea	Purpleosier Alaska Blue Willow	broadleaf deciduous shrub	Full Sun	high	< 10 ft	24	introduced
Salix scouleriana	Scouler's Willow	broadleaf deciduous tree	Part Shade	high	25–50 ft	24	native
Salix sitchensis	Salix sitchensis	broadleaf deciduous tree	—	—	—	—	introduced
Salvia	Rose	perennial	—	—	—	3	introduced
Salvia greggii	Autumn Sage	perennial	Part Shade	—	< 10 ft	—	introduced
Salvia nemorosa	Balkan Clary	perennial	Part Shade	moderate	< 10 ft	—	introduced
Salvia officinalis	Common Sage	perennial	Part Shade	low-to-moderate	< 10 ft	—	introduced
Salvia superba	Salvia superba	perennial	—	—	—	—	introduced
Salvia sylvestris	Salvia sylvestris	perennial	—	—	—	—	introduced
Sambucus cerulea	Sambucus cerulea	broadleaf deciduous shrub	—	—	—	—	native
Sambucus nigra	Common Elderberry	broadleaf deciduous shrub	Part Shade	moderate	25–50 ft	3	introduced
Sambucus racemosa	Red Elderberry	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	3	native
Sanguinaria canadensis	Bloodroot		—	—	< 10 ft	—	native
Sarcococca confusa	Fragrant Sarcococca Sweet Box	broadleaf evergreen shrub	—	—	< 10 ft	—	introduced
Sarcococca hookeriana	Himalayan Sarcococca	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Sarcococca ruscifolia	Fragrant Sarcococca	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Sassafras albidum	Common Sassafras	broadleaf deciduous tree	Full Sun	low	50–100 ft	—	native
Scirpus microcarpus	Scirpus microcarpus	grass grasslike	—	—	—	—	introduced
Sedum rupestre	stonecrop	perennial	Full Sun	low-to-moderate	—	—	introduced
Sedum spathulifolium	Sedum spathulifolium	perennial	—	—	—	—	introduced
Sedum spectabile	Sedum spectabile	perennial	—	—	—	—	introduced
Sedum telephium	Sedum telephium	perennial	—	—	—	—	introduced
Sequoia sempervirens	Coastal Redwood	coniferous tree	Part Shade	moderate	< 10 ft	1	native
Sequoiadendron giganteum	Sierra Redwood	coniferous tree	Full Sun	moderate	50–100 ft	—	native
Sesleria autumnalis	Autumn Moor Grass	grass grasslike	Part Shade	low-to-moderate	< 10 ft	—	introduced
Sidalcea virgata	Sidalcea virgata	perennial	—	—	—	—	introduced
Sisyrinchium californicum	yellow-eyed grass	perennial	Full Sun	moderate-to-high	< 10 ft	—	native
Skimmia japonica	Japanese Skimmia	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	3	introduced
Solidago canadensis	Canada Goldenrod	perennial	Part Shade	moderate	< 10 ft	—	introduced
Sorbaria sorbifolia	Ash	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	—	introduced
Spiraea betulifolia	Birch-leaf Spirea	broadleaf deciduous shrub	Part Shade	high	< 10 ft	5	native
Spiraea bumalda	Spiraea bumalda	broadleaf deciduous shrub	—	—	—	—	introduced
Spiraea densiflora	Rose	broadleaf deciduous shrub	—	—	—	27	introduced
Spiraea douglasii	Rose	broadleaf deciduous shrub	Full Sun	low	< 10 ft	27	native
Spiraea japonica	Japanese Spirea	broadleaf deciduous shrub	Part Shade	moderate	< 10 ft	5	introduced
Spiraea nipponica	Nippon Spirea	broadleaf deciduous shrub	—	—	< 10 ft	5	introduced
Spiraea x arguta	Compact Garland Spirea		—	—	—	—	introduced
Stachys byzantina	Donkey's Ears	perennial	Part Shade	low-to-moderate	< 10 ft	—	introduced
Stewartia monadelpha	Tall Stewartia	broadleaf deciduous tree	Part Shade	—	10–25 ft	—	introduced
Stewartia pseudocamellia	Japanese Stewartia	broadleaf deciduous tree	Part Shade	moderate	25–50 ft	—	introduced
Stipa gigantea	Giant Feather Grass	grass grasslike	Full Sun	—	< 10 ft	—	introduced
Stipa tenuissima	Argentine Needle-Grass	grass grasslike	Part Shade	—	< 10 ft	—	native
Styphnolobium japonicum	Japanese Pagodatree Scholar-tree	broadleaf deciduous tree	Part Shade	—	25–50 ft	—	introduced
Styrax japonicus	Japanese Snowbell	broadleaf deciduous tree	Sun–Part Shade	—	10–25 ft	—	introduced
Symphoricarpos albus	Common Snowberry	broadleaf deciduous shrub	Sun–Part Shade	moderate	< 10 ft	2	native
Symphoricarpos chenaultii	Symphoricarpos chenaultii		—	—	—	—	introduced
Syringa pubescens	Syringa pubescens	broadleaf deciduous shrub	—	—	—	—	introduced
Syringa reticulata	Japanese Tree Lilac	broadleaf deciduous tree	Full Sun	—	25–50 ft	13	introduced
Syringa tribrida	Syringa tribrida	broadleaf deciduous shrub	—	—	—	—	introduced
Syringa vulgaris	Common Lilac	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	13	introduced
Syringa x persica	Persian Lilac		—	—	—	—	introduced
Taxus baccata	English Yew	coniferous tree	Part Shade	moderate	50–100 ft	7	introduced
Taxus cuspidata	Japanese Yew	coniferous tree	Part Shade	moderate	50–100 ft	7	introduced
Taxus media	Hybrid Yew	coniferous shrub	Sun–Part Shade	—	10–25 ft	7	introduced
Tellima grandiflora	fringe cup	perennial	Part Shade	moderate	< 10 ft	—	native
Teucrium chamaedrys	Germander	perennial	Full Sun	low-to-moderate	< 10 ft	—	introduced
Thuja occidentalis	Eastern Arborvitae	coniferous tree	Part Shade	moderate	25–50 ft	26	native
Thuja plicata	Western Redcedar	coniferous tree	Part Shade	high	100+ ft	26	native
Thymus citriodorus	Lemon Thyme	perennial	Full Sun	—	< 10 ft	—	introduced
Thymus pseudolanuginosus	Wooly Thyme	perennial	Full Sun	low-to-moderate	—	—	introduced
Thymus serpyllum	Breckland Thyme	perennial	Full Sun	low-to-moderate	—	—	introduced
Tilia americana	American Linden	broadleaf deciduous tree	Part Shade	high	50–100 ft	11	native
Tilia cordata	Littleleaf Linden	broadleaf deciduous tree	Part Shade	moderate	50–100 ft	11	introduced
Tilia tomentosa	Silver Linden	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	11	introduced
Tolmiea menziesii	Piggyback Plant	perennial	Shade	moderate	< 10 ft	1	native
Trachelospermum jasminoides	Star Jasmine Confederate Jasmine	vine groundcover	Part Shade	moderate	10–25 ft	—	introduced
Trachycarpus fortunei	Chinese Windmill Palm	broadleaf evergreen tree	Sun–Part Shade	moderate	25–50 ft	—	introduced
Tradescantia virginiana	Virginia spiderwort		—	—	< 10 ft	—	native
Trillium ovatum	Trillium ovatum	perennial	—	—	—	—	native
Tsuga heterophylla	Western Hemlock	coniferous tree	Part Shade	high	100+ ft	19	native
Tsuga mertensiana	Mountain Hemlock	coniferous tree	Part Shade	high	50–100 ft	19	native
Ulmus americana	American Elm	broadleaf deciduous tree	Full Sun	moderate	50–100 ft	14	native
Ulmus carpinifolia	Field Elm	broadleaf deciduous tree	Full Sun	—	50–100 ft	—	introduced
Ulmus propinqua	Ulmus propinqua	broadleaf deciduous tree	—	—	—	—	introduced
Vaccinium corymbosum	Highbush Blueberry	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	45	native
Vaccinium ovatum	Box Huckleberry	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	42	native
Vaccinium parvifolium	Red Huckleberry	broadleaf deciduous shrub	Part Shade	low	10–25 ft	42	native
Vancouveria hexandra	Northern Inside-out Flower	perennial	Shade	—	—	—	native
Veronica peduncularis	Speedwell	perennial	Part Shade	moderate	< 10 ft	—	introduced
Veronica persica	Persian speedwell		—	—	—	—	naturalized
Viburnum bodnantense	Viburnum	broadleaf deciduous shrub	—	—	—	13	introduced
Viburnum burkwoodii	Burkwood Viburnum	broadleaf evergreen shrub	Sun–Part Shade	—	10–25 ft	13	introduced
Viburnum carlesii	Koreanspice Viburnum	broadleaf deciduous shrub	Sun–Part Shade	—	< 10 ft	13	introduced
Viburnum davidii	David's Viburnum	broadleaf evergreen shrub	Part Shade	moderate	< 10 ft	13	introduced
Viburnum opulus	Cranberry Bush Viburnum	broadleaf deciduous shrub	Part Shade	moderate-to-high	10–25 ft	—	introduced
Viburnum plicatum	Doublefile Viburnum	broadleaf deciduous shrub	Part Shade	moderate	10–25 ft	—	introduced
Viburnum tinus	Laurustinus	broadleaf evergreen shrub	Sun–Part Shade	moderate	10–25 ft	13	introduced
Vinca minor	Dwarf Periwinkle	vine groundcover	Part Shade	low	—	—	introduced
Waldsteinia fragarioides	Barren Strawberry	perennial	Sun–Part Shade	—	—	13	native
Weigela florida	Weigela	broadleaf deciduous shrub	Sun–Part Shade	moderate	10–25 ft	—	introduced
Wisteria frutescens	American Wisteria	vine groundcover	Part Shade	moderate	25–50 ft	—	native
Woodwardia fimbriata	Woodwardia fimbriata	fern	—	—	—	—	native
Yucca filamentosa	Adam's Needle Yucca	broadleaf evergreen shrub	Sun–Part Shade	moderate	< 10 ft	1	native
Zelkova serrata	Japanese Zelkova Saw-leaf Zelkova	broadleaf deciduous tree	Full Sun	moderate	25–50 ft	2	introduced