Rudbeckia speciosa var. fulgida (showy black-eyed Susan)

Ruellia humilis (prairie petunia)

Salvia azurea (azure sage)

Sambucus canadensis (elderberry)

Sanguisorba canadensis (American burnet)

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

Scutellaria incana (skullcap)

Sporobolus heterolepis (prairie dropseed)

Symphyotrichum novae-angliae (New England aster)

Symphyotrichum oolentangiense (skyblue aster)