Salvia nemorosa ‘May Night’ (meadow sage ‘May Night’)

Salvia nemorosa ‘Wesuwe’ (meadow sage ‘Wesuwe’)

Salvia x sylvestris ‘Blue Hill’ (meadow sage ‘Blue Hill’)

Salvia x sylvestris ‘Rhapsody in Blue’ (wood sage ‘Rhapsody in Blue’)

Salvia x sylvestris ‘Rugen’ (meadow sage ‘Rugen’)

Schizachyrium scoparium ‘Smoke Signal’ (little bluestem ‘Smoke Signal’)

Scilla mischtkenkoana (Tubergen squill)

Sesleria autumnalis (autumn moor grass)

Sporobolus heterolepis (prairie dropseed)

Stachys officinalis ‘Rosea’ (betony ‘Rosea’)