All ornamental grasses on letter S
 Sweet Flag, Sweet Myrtle, Sweet Rush (Acorus calamus) (perennial) use: single plant, pond |
 Spike Rush (Eleocharis) (perennial) use: pond colors: green |
 Silver Falls (Dichondra argentea) (perennial) use: background, groundcover, border, potting, vertical gardening colors: green, silvery |
 Scented holy grass (Hierochloe ) (perennial) use: lawn, group planting colors: light green |
 Sensitive Fern (Onoclea ) (perennial) use: group planting colors: light green |
 Sedge (Carex) (perennial) use: single plant, pond, group planting, colors: green, multicolor |
 Sedge, Carex (Carex ) (perennial) use: single plant, border, potting colors: silvery, brown |
 Swiss clubmoss (Selaginella ) (perennial) use: rock garden colors: green |
 Sasa, Sasaella (Sasa) (perennial) use: groundcover, border, flowerbed, group planting colors: light green |
 Spartina, Prairie Cord Grass (Spartina ) (perennial) use: background, single plant, pond, border, flowerbed, group planting colors: light green |
 Sporobolus, Prairie dropseed (Sporobolus) (perennial) use: single plant, groundcover, border, flowerbed colors: green |
 Spangle grass, Wild oats, Northern Sea Oats (Chasmanthium ) (perennial) use: background, single plant, border, group planting, colors: green, brown |
 Schizocodon (Schizocodon ) (perennial) use: rock garden, groundcover, border, flowerbed colors: multicolor |
