Crocus tommasinianus ‘Barr’s Purple’ (Tommy crocus ‘Barr’s Purple’)

Crocus tommasinianus ‘Ruby Giant’ (Tommy crocus ‘Ruby Giant’)

Crocus ‘Vanguard’ (crocus ‘Vanguard’)

Cyprepedium acaule (pink lady’s slipper)

Dalea purpurea (purple prairie clover)

Deschampsia cespitosa ‘Goldtau’ (tufted hair grass ‘Goldtau’)

Echinacea purpurea (purple coneflower)

Echinacea simulata (wavyleaf purple coneflower)

Echinacea tennesseensis (Tennessee coneflower)

Eragrostis spectabilis (purple lovegrass)