Spineless Yucca
Spotted Emu Bush
Spreading Germander
Sprenger or Emerald Asparagus
Squawbush, Skunkbush, Three Leaf Su
St. Catherine's Lace
Stella de Oro Daylily
Stellar Lights Bearded Iris
Stokes Aster
Stout Tooth Agave
Strawberry Hedgehog
Sugar Bush
Summer Pastels Yarrow
Summit Golden Ash
Sunburst Honey Locust
Sunburst Trailing Gazania
Sundrops, Desert Sundrops
Sunrose
Sunset Foxglove
Sunset Rockrose