Sage

Salvia 

Sanguisorba

Schizachyrium

Sea Holly 

Sea Thrift

Sedum 

Sempervivum 

Sesleria

Shasta Daisy 

​Shooting Star

Showy Milkweed

Siberian Iris 

Silene

Sisyrinchium

Solidago

Solomon’s Seal

Solomon's Plume

Speedwell 

Spiderwort 

​Spigelia

​Spikenard 

Spurge

Stachys 

Stinking Benjamin

Stokesia

Stokes Aster

Stonecrop

Swamp Milkweed

Switch Grass