Stout Tooth Agave
Strawberry Hedgehog
Strawberry Tree
Sugar Bush
Sulfur Flower
Summer Coreopsis
Summertime Blue Eremophila
Sunburst Trailing Gazania
Sundrops, Desert Sundrops
Sunrose
Superstition Mallow
Swamp Mallee, Narrow Leafed Gimlet
Sweet Acacia
Sweet Bush
Tam Juniper, Tamarix Juniper
Tanglehead
Teddy Bear Cholla
Tenaza
Texas Ebony
Texas Honey Mesquite