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Allium schoenoprasum
Chives
* exotic
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Achillea x 'Moonshine'
Yarrow
* exotic
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Achillea x 'Paprika'
Yarrow
* exotic
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Amsonia hubrichtii
Arkansas bluestar
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Amsonia tabernaemontana
Bluestar
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Aquilegia canadensis
Eastern wild columbine
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Aristolochia tomentosa
Dutchman's pipe
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Baptisia 'Carolina Moonlight'
Wild indigo
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Baptisia 'Purple Smoke'
Wild indigo
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Baptisia x variicolor
'Twilite Prairieblues'
Wild indigo
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Chionanthus virginicus
White fringetree
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Clematis ochroleuca
Curlyheads
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Coreopsis auriculata
Lobed tickseed
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Coreopsis lanceolata
Lanceleaf tickseed
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Echinacea pallida
Pale purple coneflower
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Lonicera sempervirens
'Cedar Lane', 'Major Wheeler',
and 'John Clayton'
Honeysuckle
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Marshallia obovata
Piedmont Barbara's buttons
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Nepeta 'Walker's Low'
Catmint
* exotic
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Oenothera berlandieri
'Siskiyou'
Evening primrose
* southwest U.S.
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Penstemon smallii
Small's beard tongue
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Phlox nivalis 'Snowdrift'
White moss phlox
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Phlox pilosa
Downy phlox
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Physocarpus opulifolius 'Diablo'
Eastern ninebark
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Porteranthus trifoliatus
Mountain Indian physic
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Salvia farinacea 'Victoria Blue'
Mealycup sage
* southwest U.S.
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Salvia lyrata
Lyreleaf salvia
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Sisyrinchium angustifolium
Blue-eyed grass
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Thymus vulgaris
Thyme
* exotic
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Tiarella cordifolia
Foamflower
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Tradescantia x 'Purple Profusion'
Spiderwort
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Valeriana officinalis
Garden heliotrope (Valerian)
* northern U.S.
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Viburnum prunifolium
Blackhaw viburnum
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Zizia aurea
Golden alexander
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