| 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 ... |