Perennials: List

Scientific Name	Common Name	Soil Moisture	"Exposure
"	"Drought Tolerance
"	"Salt Tolerance
"	"Pollution Tolerances
"	Compaction Tolerance	Colour	STEP star
Achillea millefolium ssp. Lanulosa	Common Yarrow	2		2-3	2	Y	Y	O	☆
Alisma plantago-aquatica	American Water-plantain	3		1	2			O
Allium schoenoprasum var. sibiricum	Wild Chives	2		2	1			O
Amsonia hubrichtii	Arkansas Blustar flower	1-2	Y	2	1			O
Amsonia tabernaemontana	Eastern Bluestar	2	Y	2	1			O
Anemone canadensis	Canada Anemone	2	Y	1-2	2			O
Antennaria spp.	Pussytoes	1-2		3	2			O
Aquilegia canadensis	Wild Columbine	2	Y	2	2		Y	O
Armeria maritima 'Dusseldorf Pride'	Dusseldorf Pride Sea Thrift	1-2		3	3			O
Artemisia schmidtiana 'Silver Mound'	Silver Mound Artemesia	1-2	Y	2-3	3			O
Aruncus dioicus	Bride's Feathers	2-3	Y	1-2	2			O
Asclepias incarnata ssp. incarnata	Swamp milkweed	3		2	2			O
Asclepias tuberosa	Butterfly Milkweed	1-2		2-3	2-3			O	☆
Baptisia alba	Rattlebox, White Wild Indigo	1	Y	3	3			O
Baptisia australis	Blue Wild Indigo	1		3	3			O
Bidens cernua	Nodding Beggar-ticks	3	Y	1	2	Y		O
Bidens frondosa	Devil's Beggar-ticks	2	Y	1-2	2	Y		O
Boltonia asteroides	Boltonia, False Aster	2		2	2			O	☆
Caltha palustris	Marsh Marigold	2-3	Y	1	1			O
Cerastium arvense ssp. strictum	Field Chickweed	1	Y	2	2			O
Chelone glabra	White Turtlehead	2-3		1	1			O
Chelone lyonii	Pink Turtlehead e.g. cultivar 'Hot Lips'	2	Y	1	1			O	☆
Coreopsis lanceolata	Lance-leaved Coreopsis	1-2	Y	3	3			O
Coreopsis rosea	Pink-flowered Tickseed	2		2	2			O
Desmodium canadense	Showy Tick-trefoil	1-2		1-2	3		Y	O
Doellingeria umbellata var. umbellata (Aster umbellatus)	Flat-top White Aster	2-3		1	2-3			O	☆
Echinacea purpurea	Eastern Purple Coneflower	1-2		2	2			O	☆
Epilobium coloratum	Purple-leaf Willow-herb	3		2	2	Y	Y	O
Erigeron pulchellus	Robin's Plantain Fleabane	1-2		3	2			O
Eupatorium maculatum ssp. maculatum	Spotted Joe-pye Weed	3		2	2		Y	O	☆
Eupatorium perfoliatum	Common Boneset	2-3	Y	2	1		Y	O
Euthamia graminifolia	Flat-top Goldentop	2	Y	2-3	2	Y	Y	O
Fragaria virginiana ssp. virginiana	Common Strawberry	1-2	Y	2	2	Y	Y	O
Gaillardia aristata	Great Blanket-flower	2		2-3	1-2		Y	O	☆
Geranium maculatum	Wild Crane's-bill / Wild Geranium	1-2	Y	2	1			O
Geum triflorum	Prairie Smoke	1-2		3	2			O
Helianthus divaricatus	Woodland Sunflower	1-2	Y	2	3		Y	O
Helianthus strumosus	Pale-leaf Sunflower	1-2	Y	2-3	2-3			O
Helianthus tuberosus	Jerusalem Artichoke	1	Y	2	3	Y	Y	O
Heliopsis helianthoides	Oxeye Sunflower	2		2-3	?			O
Hosta spp.	Hosta (many varieties)	1-3	Y	1-2	2			O
Hydrophyllum virginianum	John's Cabbage / Virginia Waterleaf	2	Y	2	2			O
Impatiens capensis	Spotted Touch-me-not	2	Y	1-2	1			O
Iris versicolor	Blue Flag Iris	3		1	2			O	☆
Lespedeza capitata	Round-head Bush-clover	1-2	Y	2-3	3		Y	O
Leucanthemum x superbum	Shasta Daisy	1-2		3	2			O
Lobelia siphilitica	Great Blue Lobelia	2-3	Y	1	1			O	☆
Lysimachia ciliata	Fringed Loosestrife	2	Y	2	1-2			O
Matteucia struthiopteris var. pensylvanica	Ostrich Fern	2-3	Y	2	1-2			O
Monarda fistulosa	Wild Bergamot Bee-balm	1-3		2-3	2-3	Y	Y	O	☆
Onoclea sensibilis	Sensitive Fern	2-3	Y	1-2	1-2			O
Opuntia fragilis	Spreading Prickly-Pear	1	Y	3	3			O
Osmunda cinnamomea	Cinnamon Fern	2-3	Y+	1-2	1			O
Packera paupercula	Balsam Ragweed	1-2		3	2			O
Penstemon digitalis	Foxglove Beardtongue	1-2		2-3	2-3	Y		O
Penstemon hirsutus	Hairy beardtongue	1-2	Y	3	?			O
Podophyllum peltatum	May Apple	2	Y	1	?			O
Potentilla anserina	Silverweed	3		3	2	Y	Y	O
Rudbeckia fulgida	Orange Coneflower	1-2		3	?			O
Rudbeckia hirta	Black-Eyed Susan	1-3		2-3	3			O	☆
Rudbeckia laciniata	Green-Headed Coneflower, Cut-leaf Coneflower	2-3	Y	2	2	Y	Y	O
Sedum album	White Stonecrop	1-2		3	2	Y		O	☆
Sedum hybridum	Hybrid Stonecrop	1-2		3	2	Y		O	☆
Sedum reflexum	Jenny's Stonecrop	1-2		3	2	Y		O	☆
Sedum sexangulare	Tasteless Stonecrop	1-2	Y	3	2	Y		O	☆
Sedum spurium	Dragon's Blood Sedum	1-2		3	2	Y		O	☆
Sisyrinchium montanum	Strict Blue-eyed-grass	2-3		2	2			O
Solidago altissima var. altissima	Tall Goldenrod	2-3	Y	2	2	Y	Y	O
Solidago canadensis var. canadensis	Canada Goldenrod	2-3	Y	2	2	Y	Y	O
Solidago flexicaulis	Zig-zag Goldenrod	2	Y	2	2-3	Y		O
Solidago nemoralis ssp. nemoralis	Grey Goldenrod	1	Y	2	3	Y	Y	O
Solidago patula	Roundleaf Goldenrod	2		1	1			O
Solidago ptarmicoides(Oligoneuron album)	Prairie Goldenrod	1-2		3	2	Y		O
Solidago rugosa ssp. rugosa	Wrinkleleaf Goldenrod	2		1-2	2		Y	O
Stachys byzantina	Lambs' Ears	1-2		2-3	2			O
Symphyotrichum cordifolium	Heart-leaved Aster	1	Y	2-3	2-3	Y		O	☆
Symphyotrichum ericoides var. ericoides	White Heath Aster	1-2		2	2-3	Y	Y	O	☆
Symphyotrichum lanceolatum ssp. lanceolatum	Panicled Aster	2	Y	2	2-3	Y	Y	O	☆
Symphyotrichum novae-angliae	New England Aster	2	Y	2	2-3	Y	Y	O	☆
Symphyotrichum oolentangiense	Sky-blue Aster	1	Y	2-3	2		Y	O	☆
Symphyotrichum puniceum	Swamp Aster	2-3		1-2	2-3			O	☆
Thalictrum pubescens	Tall Meadow-Rue	2-3	Y	2	2			O
Thelypteris palustris var. pubescens	Marsh Fern	2-3	Y+	1	1-2			O
Thymus serpyllum	Mother-of-Thyme	1-2		3	2-3	Y		O
Tradescantia virginiana	Virginia Spiderwort	2	Y	1	1			O
Trichostema brachiatum (Isanthus brachiatus)	False Pennyroyal	1		3	2			O
Verbena hastata	Blue Vervain	2-3		1-2	2-3	Y	Y	O	☆
Verbena stricta	Hoary Vervain	1-2		2-3	2		Y	O
Verbena urticifolia	White Vervain	2	Y	3	2		Y	O
Veronicastrum virginicum	Culver's root	2		3	2			O	☆
Waldsteinia fragarioides	Barren Strawberry	1-2	Y	2	2-3			O
Yucca filamentosa	Narrow-Leaved Yucca	1-2		2-3	2			O
Zizia aurea	Common Alexanders	2	Y	2	2		Y	O

Sustainable Technologies Evaluation Program

A cultivated variety of a plant created by horticultural practice, often closed in large numbers from a similar individual. Cultivar names typically appear after the scientific name of a species, e.g. Prunus virginiana ‘Shubert’.