Sunburst Trailing Gazania
Sundowner Flax
Sundrops
Sunray Coreopsis
Sunset Manzanita
Superba Fescue
Swan Hill Fruitless Olive
Sweet Alyssum
Sweet Bay, Grecian Laurel
Sweet Flag
Sweet Hakea
Sweet Musette Bearded Iris
Sweet Olive, Tea Olive
Sweet Orange cultivars
Sweet Violet, English Violet
Sweet-Pea Shrub
Swiss Mountain Pine
Taiwan Creeping Blackberry
Tanbark Oak, Tan Oak