| Shasta Daisy  Chrysanthemum maximum (Asteraceae)A hardy perennial, forming dense colonies once establishedMore ... |  | Tickseed/lance-leaved Coreopsis  Coreopsis lanceolata (Asteraceae) An erect, drought tolerant perennial which can alsoMore ... | 
 | Showy Primrose  Oenothera speciosa (Onagraceae)A hardy, upright to sprawling perennial, native to the southeasternMore ... |  | Tidy-Tips  Layia platyglossa (Asteraceae)A short, hardy annual native to California, but can be grownMore ... | 
 | Standing Cypress  Ipomopsis rubra (Polemoniaceae)A sturdy, upright perennial variety native to the southeasternMore ... |  | Toadflax/Spurred Snapdragon  Linaria maroccana (Scrophulariaceae) An erect, slender annual native to Morocco, which hasMore ... | 
 | Sweet Alyssum  Lobularia maritima (Brassicaceae)A hardy annual native to Southern Europe, but has naturalizedMore ... |  | Tuber Vervain/Stiff Vervain  Berbena rigida (Verbenaceae)A hardy, upright perennial native to Brazil andMore ... | 
 | Sweet William  Dianthus barbatus (Caryophyllaceae)A perennial variety which usually performs as an annualMore ... |  | Wallflower  Cheiranthus allionii (Brassicaceae)A bushy biennial or perennial variety native to the CanaryMore ... | 
 | Tahoka Daisy/Prairie Aster  Machaeranthera tanacetifolia (Asteraceae)A hardy upright to sprawling annual native to the midMore ... |  | Wine Cup  Callirhoe involucrata (Malvaceae)A hardy, drought tolerant, sprawling perennial native toMore ... | 
 | Texas Bluebonnet  Lupinus texensis (Fabaceae)A hardy winter annual native to Texas. Adopted as theMore ... |  | Yarrow  Achillea millefolium (Asteraceae)A drought tolerant perennial herb native to Europe, it hasMore ... | 
 | Texas Paintbrush  Castilleja indivisa (Scrophulariaceae) An upright, hairy annual, perennial or biennial herb nativeMore ... |  | Yellow Cosmos  Cosmos sulphureus (Asteraceae)A hardy, erect annual requiring very little moisture once establishedMore ... |