Camassia scilloides (wild hyacinth)

Clethra alnifolia ‘Einstein’ (summersweet ‘Einstein’)

Cornus alternifolia (pagoda dogwood)

Corylus americana (American hazelnut)

Dalea purpurea (purple prairie clover)

Diervilla lonicera (bush honeysuckle)

Echinacea pallida (pale purple coneflower)

Epimedium grandiflorum ‘Yubae’ (bishop’s hat ‘Yubae’)

Euonymous atropurpureus (eastern wahoo)

Geranium ‘Philippe Vapelle’ (cranesbill ‘Philippe Vapelle’)