Phlox ‘Fashionably Early Lavender Ice’ (phlox ‘Fashionably Early Lavender Ice’)

Phlox ‘Minnie Pearl’ (phlox ‘Minnie Pearl’)

Phlox paniculata ‘Sweet Laura’ (garden phlox ‘Sweet Laura’)

Primula media ‘Aphrodite’ (shooting star ‘Aphrodite’)

Robinia pseudoacacia ‘Chicago Blues’ (black locust ‘Chicago Blues’)

Rudbeckia subtomentosa ‘Henry Eilers’ (black-eyed susan ‘Henry Eilers’)

Schizachyrium scoparium ‘Blue Heaven’ (little bluestem ‘Blue Heaven’)

Schizachyrium scoparium ‘Ha Ha Tonka’ (little bluestem ‘Ha Ha Tonka’)

Schizachyrium scoparium ‘Little Luke’ (little bluestem ‘Little Luke’)

Schizachyrium scoparium ‘Sandhill’ (little bluestem ‘Sandhill’)