Echinacea purpurea Full to part sun Medium to dry soil 4 feet tall Blooms July to September Bloom color purple
Keystone Plant Collection 2025
Keystone plants are essential to the ecosystem because of the number of caterpillar species that use them as a host plant or the pollen they provide to pollen specialized bees. Keystone plants are by default native plants. Many serve as both host and nectar plants to multiple species of Lepidoptera. Click through on individual plants to learn how many species of caterpillars and/or bees it supports.
Categories
Black-eyed Susan
Keystones
Rudbeckia hirta Full to part sun Medium wet to medium dry soil 2 feet tall Bloom time summer to early fall Bloom color yellow Biennial
$5.00
Orange Coneflower
Keystones
Rudbeckia fulgida Full to part sun Medium wet to medium dry soil 3 feet tall Bloom time July to September Bloom color orange
$5.00
Goldenrod, Showy
Keystones
Solidago speciosa Full to part sun Medium to dry soil 5 feet tall Bloom time August & September Bloom color yellow
$5.00
Aster, Aromatic
Keystones
Symphyotrichum oblongifolium Full sun Medium dry to dry soil 2 feet tall Blooms in fall Bloom color purple
$5.00
Aster, Sky Blue
Keystones
Symphyotrichum oolentangiense Full to partial sun Medium to dry soil 3 feet tall Blooms August to September Bloom color blue
$5.00
Common Evening Primrose
Keystones
Oenothera biennis Full to part sun Medium wet to dry soil 6 feet tall Blooms summer and fall Bloom color yellow * This plant is a biennial *
$5.00
Aster, Smooth Blue
Keystones
Symphyotrichum laeve Full to part sun 4 feet tall Medium-wet to medium-dry soil moisture Blooms late summer Bloom color blue
$5.00
Thistle, Pasture
Keystones
Cirsium discolor Full to part sun Medium to dry soil 6 feet tall Blooms August to October Bloom color purple
$5.00
Lance-leaf Coreopsis
Keystones
Coreopsis lanceolata Full sun Medium to medium dry soil moisture 2 feet tall Blooms in summer Bloom color yellow
$5.00
Aster, Short's
Keystones
Symphyotrichum shortii Part sun to shade Medium to medium dry soil 3 feet tall Bloom time August to October Bloom color blue
$5.00
Sunflower, Swamp
Keystones
Helianthus angustifolius Full sun Wet to medium wet soil 8 feet tall Bloom time August to October Bloom color yellow
$5.00
Great Coneflower
Keystones
Rudbeckia maxima Full to part sun Medium wet to medium moist soil 6 feet tall Blooms June & July Bloom color yellow
$5.00
Susan, Brown-eyed
Keystones
Rudbeckia triloba Full to part sun Wet to dry soil moisture Height: 5 ft Bloom time: Fall Bloom color: Yellow
$5.00
Goldenrod, Old Field
Keystones
Solidago nemoralis Full to part sun Medium dry to dry soil moisture 2 feet tall Blooms late summer Bloom color yellow
$5.00
Goldenrod, Zigzag
Keystones
Solidago flexicaulis Part sun to shade Medium-wet to medium-dry soil moisture 3 feet tall Blooms late summer Bloom color yellow
