Raphiolepis X 'Majestic' - 'Majestic' India Hawthorn

Ratibida - Mexican Hat - Wildflower

Rhamnus caroliniana - Carolina Buckthorn - Tree

Rhapidophyllum hystrix - Needle Palm, Porcupine Palm - Shrub

Rhus lanceolata - Prairie Flameleaf Sumac - Shrub

Rhus microphylla - Little-Leaf Sumac - Shrub 

Rhus muelleri - Large-Leaf Sumac - Shrub 

Rhus pachyrrhachis - Mexican Sumac - Shrub 

Rhus virens - Evergreen Sumac - Shrub 

Ricinus communis - Castor Bean - Annual

Rohdea japonica - Chinese Sacred Lily - Groundcover

Rosa chinensis - China Rose - Shrub

Rosa chinensis 'Cramoisi Superieur' - 'Cramoisi Superieur' China Rose - Shrub

Rosa chinensis 'Louis Philippe' - 'Louis Philippe' China Rose - Shrub

Rosa chinensis 'Minima' - 'Highway 290 Pink Buttons' China Rose - Dwarf Shrub

Rosa chinensis 'Martha Gonzalez' - 'Martha Gonzalez' China Rose - Dwarf Shrub

Rosa chinensis 'Mutabilis' - The Butterfly Rose - Shrub

Rosa chinensis 'Old Blush' - 'Old Blush' China Rose - Shrub

Rosa chinensis 'Climbing Old Blush' - 'Climbing Old Blush' China Rose - Shrub

Rosa chinensis 'Viridis' - Green China Rose - Shrub

Rosa X polyantha 'Marie Daly' - 'Marie Daly' Polyantha Rose - Dwarf Shrub

Rosa X polyantha 'Marie Pavie' - 'Marie Pavie' Polyantha Rose - Dwarf Shrub

Rosa X 'Caldwell Pink' - 'Caldwell Pink' Rose - Shrub

Rosa X 'Cecile Brunner' - The Sweetheart Rose - Shrub

Rosa X 'Mrs. Dudley Cross' - 'Mrs. Dudley Cross' Tea Rose - Shrub

Rosmarinus officinalis - Rosemary - Perennial Herb

Rosmarinus officinalis 'Arp' - 'Arp' Rosemary - Perennial Herb

Rosmarinus officinalis 'Gorizia' - 'Gorizia' Rosemary - Perennial Herb

Rosmarinus officinalis 'Irene' - 'Irene' Rosemary - Perennial Herb

Rosmarinus officinalis 'Mrs. Howard's' - 'Mrs. Howard's' Rosemary - Perennial Herb

Rosmarinus officinalis 'Spice Islands' - 'Spice Islands' Rosemary - Perennial Herb

Rosmarinus officinalis 'Tuscan Blue' - 'Tuscan Blue' Rosemary - Perennial Herb

Rudbeckia - Black-Eyed Susan - Wildflower

Ruellia brittoniana 'Blanquita'™ - Dwarf White Mexican Petunia - Perennial

Ruellia brittoniana 'ChiChi' - 'ChiChi' Mexican Petunia - Perennial

Ruellia brittoniana 'Nolan's Dwarf' - Katie Ruellia - Perennial

Ruellia brittoniana 'Rosita'™ - Dwarf Pink Mexican Petunia - Perennial

Russelia equisetiformis (Red) - Red Firecracker Bush - Perennial

Russelia equisetiformis (Yellow) - Yellow Firecracker Bush - Perennial

Russelia sarmentosa - Giant Firecracker Bush - Perennial

Russelia sp. (San Carlos Mountains) - Coral Firecracker Bush - Perennial

Ruta graveolens - Rue - Perennial Herb

Sabal bermudana - Bermuda Palmetto - Tree

Sabal minor - Dwarf Palmetto - Shrub

Sabal texana - Tree Palmetto - Palm

Sabal uresana - Blue Palmetto - Tree

Saccharum arundinaceum - Hardy Sugar Cane - Ornamental Grass

Saccharum officinarum 'Pele's Smoke' - Purple Sugar Cane - Tender Ornamental Grass

Salvia blepharophylla - Eye-Lash Leaf Sage - Tender Perennial 

Salvia chamaedryoides - Germander Sage - Perennial 

Salvia chionophylla - Indigo Cherry Sage - Perennial 

Salvia coahuilensis - Coahuila Sage - Perennial 

Salvia coccinea - Scarlet Sage - Perennial 

Salvia farinacea - Mealy Blue Sage - Perennial 

Salvia farinacea X longispicata ‘Indigo Spires’ - ‘Indigo Spires’ Sage - NOT RECOMMENDED, due to its miniscule flowers.

Salvia farinacea X longispicata 'Mystic Spires Blue' - 'Mystic Spires Blue' Sage - Perennial - NOT RECOMMENDED, due to its miniscule flowers.

Salvia greggii - Cherry Sage - Perennial 

Salvia greggii X muelleri - Violet Cherry Sage - Perennial 

Salvia guaranitica - Big Blue Sage - Perennial 

Salvia guaranitica X gesneraeflora ‘Purple Majesty’ - ‘Purple Majesty’ Sage - Perennial 

Salvia involucrata - Fuchsia Sage - Perennial 

Salvia x jamensis - Jamé Hybrid Sage - Tender Perennial 

Salvia leucantha - Mexican Bush Sage - Perennial 

Salvia leucantha x elegans ‘Anthony Parker' - 'Anthony Parker' Sage - Perennial 

Salvia lycioides - Canyon Sage - Perennial 

Salvia lyrata - Lyre-Leaf Sage - Perennial 

Salvia madrensis - Big Yellow Sage - Perennial

Salvia mexicana - Mexican Sage - Perennial

Salvia microphylla - Little-Leaf Sage - Perennial 

Salvia microphylla X greggii - Hybrid Cherry Sage - Perennial 

Salvia miniata - Belizean Sage - Tender Perennial

Salvia muelleri - Violet Cherry Sage - Perennial 

Salvia officinalis - Culinary Sage - Short-Lived Perennial Herb

Salvia patens - True Blue Sage - Perennial 

Salvia penstemonoides - Penstemon Sage - Perennial 

Salvia puberula ‘El Butano' - ‘El Butano' Sage - Perennial 

Salvia regla - Mountain Sage - Perennial 

Salvia roemeriana - Cedar Sage - Perennial 

Salvia schaffneri (known incorrectly as S. darcyi, S. oresbia) - Schaffner's Sage - Perennial 

Salvia sinaloensis - Sinaloa Sage - Perennial 

Salvia uliginosa - Bog Sage - NOT RECOMMENDED

Santolina - NOT RECOMMENDED

Sasa palmata - Hardy Bamboo

Sasa tsuboiana - Hardy Bamboo

Sasa veitchii - Hardy Bamboo

Sasaella masamuneana 'Albostriata' - Hardy Bamboo

Schizachyrium scoparium - Little Bluestem - Ornamental Grass

Schizachyrium scoparium 'Kendall Red'™ - 'Kendall Red'™ Little Bluestem - Ornamental Grass

Scutellaria suffrutescens - Pink Skullcap - Perennial

Secale cereale - Rye - Edible Annual

Sedum palmeri - Palmer's Sedum - Groundcover

Sedum spp. - assorted Sedum species - Groundcover

Semiarundiaria fastuosa - Temple Bamboo - Hardy Bamboo

Semiarundiaria fastuosa 'Viridis' - Green Temple Bamboo - Hardy Bamboo

Semiarundiaria makinoi - Hardy Bamboo

Semiarundinaria okuboi - Hardy Bamboo

Semiarundinaria yashadake - Hardy Bamboo

Sequoia sempervirens - Redwood - Tree

Serenoa repens - Saw Palmetto - Shrub

Setaria palmifolia - Indian Palm Grass - Tender Ornamental Grass

Setaria palmifolia (variegated) - Variegated Indian Palm Grass - Tender Ornamental Grass

Setaria poiretiana - Mexican Palm Grass - Tender Ornamental Grass

Severinia buxifolia - Chinese Box Orange - Shrub

Silphium albiflorum - Perennial 

Silphium perfoliatum - Perennial 

Sinobambusa gigantea - Hardy Bamboo

Sinobambusa intermedia - Hardy Bamboo

Sinobambusa tootsik - Hardy Bamboo

Siphonoglossa pilosella - Tube-Tongue - Perennial

Sisyrinchium angustifolium - Blue-Eyed Grass - Perennial

Solenostemon sp. & hybrids - Coleus- Annual

Solidago odora - Licorice Goldenrod - Perennial

Sophora affinis - Eve's Necklace - Tree

Sophora davidii - Shrub

Sophora secundiflora - Mescal Bean, Texas Mountain Laurel - Shrub

Sorghastrum nutans - Indian Grass - Ornamental Grass

Sorghum bicolor - Sorghum - Edible Annual

Sprekelia formosissima - Aztec Lily, Jacobean Lily - Perennial

Sprekelia formosissima 'Orient Red' - 'Orient Red' Aztec Lily, Jacobean Lily - Perennial

Stenotaphrum secundatum - St. Augustine Grass - Turf

Stevia rebaudiana - Sweet Herb - Tender Perennial Herb

Stipa tenuissima - Wire Grass - Ornamental Grass

Styrax glabrescens - Shrub

Styrax glabrescens var. pilosus - Shrub

Styrax orizabensis - Shrub

Styrax platanifolius var. mollis - Shrub

Styrax platanifolius subsp. platanifolius - Sycamore-Leaf Snowbell - Shrub

Styrax platanifolius subsp. stellatus - Velvet Snowbell - Shrub

Styrax platanifolius subsp. texanus - Texas Snowbell - Shrub

Styrax youngae - Velvet Snowbell - Shrub

Syringa sp. - Dwarf Lilac - Shrub

Tagetes campanulata - Canyon Marigold - Perennial

Tagetes lemmonii - Lemmon's Marigold - Perennial 

Tagetes lucida - Mint Marigold, Yerbaniz - Perennial

Tagetes lucida subsp. schiedeana - Mayan Mint Marigold, Yerbaniz - Perennial

Tagetes mulleri - Mountain Marigold - Perennial 

Tagetes nelsonii 'Tequila Daisy'™  - 'Tequila Daisy'™ - Perennial

Tagetes palmeri - 'Copper Canyon Daisy' - Perennial

Tagetes parryi - Parry's Marigold - Perennial

Taiwania cryptomerioides - Tree

Taxodium distichum - Bald Cypress - Tree

Taxodium mucronatum - Montezuma Cypress - Tree

Tecoma stans var. angustata - Esperanza - Perennial

Tecoma stans var. stans - Esperanza - Perennial

Tecomaria capensis - Cape Honeysuckle - Perennial

Teucrium chamaedrys - Germander - Perennial Herb

Thelypteris kunthii - River Fern - Groundcover

Tinantia pringlei - Spotted Wandering Jew - Perennial Groundcover

Tithonia spp. - Mexican Sunflower - Wildflower

Trachycarpus fortunei - Chinese Windmill Palm - Tree

Trachycarpus wagnerianus (T. takil) - Nepalese Windmill Palm - Tree

Tradescantia pallida - Purple Wandering Jew - Groundcover

Tricyrtis hirsuta - Toad Lily - Perennial

Tripsacum dactyloides - Eastern Gama Grass - Ornamental Grass

Triticum aestivum - Wheat - Edible Annual 

Tulbaghia violacea - Society Garlic - Perennial Herb

Tulbaghia violacea (variegated) - Variegated Society Garlic - Perennial Herb

Tulipa clusiana - Lady Tulip - Bulb

Tulipa spp. & hybrids - NOT RECOMMENDED

Turnera ulmifolia - Turnera - Tender Perennial

Ungnadia speciosa - Mexican Buckeye - Shrub

Vernonia baldwinii - Baldwin's Ironweed - Perennial

Vernonia lindheimeri - Lindheimer's Ironweed - Perennial

Vetiveria zizanioides - Vetiver - Ornamental Grass

Viguiera stenoloba - Golden-Eye - Perennial 

Vitis arizonica - Canyon Grape - Vine

Vitis 'Armalaga' = 'Armlong' X 'Malaga' - 'Armalaga' Grape

Vitis 'Bailey' = 'Big Berry' X 'Triumph' - 'Bailey' Grape

Vitis berlandieri - Native Grape - Vine

Vitis 'Brilliant' = 'Lindley' X 'Delaware' - 'Brilliant' Grape

Vitis 'Carman' = 'Premier' X 'Triumph' - 'Carman' Grape

Vitis 'Champanel' = Vitis champinii X 'Worden' - 'Champanel' Grape

Vitis 'Ellen Scott' = 'Armlong' X 'Malaga' - 'Ellen Scott' Grape

Vitis 'Elvicand' = 'Elvira' X native mustang grape - 'Elvicand' Grape

Vitis 'Extra' = 'Big Berry' X 'Triumph' - 'Extra' Grape

Vitis 'Ladano' = 'Salado' X 'Headlight' - 'Ladano' Grape

Vitis 'Lomanto' = 'Salado' X 'Pense' - Lomanto' Grape

Vitis 'Lukfata' = Vitis champinii X 'Moore Early' - 'Lukfata' Grape 

Vitis monticola - Sweet Mountain Grape - Vine

Vitis mustangensis - Mustang Grape - Vine

Vitis 'Nitodal' = 'Salado' X 'Pense' - 'Nitodal' Grape

Vitis 'Orlando' - 'Orlando' Grape

Vitis rupestris - Sugar Grape - Vine

Vitis 'Sabinal' = 'Salado' X 'Brilliant' - 'Sabinal' Grape

Vitis 'Valhallah' = 'Elvicand' X 'Brilliant' - 'Valhallah' Grape

Washingtonia filifera - California Fan Palm - Tree

Washingtonia robusta - Mexican Fan Palm - NOT COLD-HARDY for San Antonio

Wisteria macrostachya (W. frutescens) - Native Wisteria - Vine

Wisteria sinensis - Chinese Wisteria - Vine

Xanthosoma 'Albo Marginata' - Variegated Arrow Leaf - Perennial

Xanthosoma atrovirens 'Dwarf Green' - 'Dwarf Green' Arrow Leaf - Perennial

Xanthosoma 'Aurea Lime Zinger' - 'Aurea Lime Zinger' Arrow Leaf - Perennial

Xanthosoma jacquinii 'Lineatum' - Monstrose Arrow Leaf - Perennial

Xanthosoma lindenii 'Magnificum' - White Vein Arrow Leaf - Perennial 

Xanthosoma sagittifolium - Giant Arrow Leaf - Perennial 

Xanthosoma violaceum - Edible Arrow Leaf - Perennial 

Xanthosoma wendlandii - Lobed Arrow Leaf - Perennial 

Xylosma congestum (compact) - Compact Xylosma - Shrub

Yucca carnerosana - Western Spanish Dagger - Shrub

Yucca constrica - Shrub

Yucca pallida - Shrub

Yucca rupicola - Twist-Leaf Yucca - Shrub

Yucca rupicola X pallida - Hybrid Twist-Leaf Yucca - Shrub

Yucca treculeana - Spanish Dagger - Shrub

Zamia integrifolia - Also sold as Z. floridana - Coontie - Cycad

Zamia integrifolia 'Palatka Giant' - Also sold as Z. floridana 'Palatka Giant' - Giant Coontie - Cycad

Zanthoxylum fagara - Toothache Tree - Shrub

Zanthoxylum hirsutum - Toothache Tree - Small Tree

Zea diploperennis - Wild Corn - Grown as an Annual

Zea mays - Corn - Edible Annual

Zizania texana - Texas Wild Rice - Ornamental Grass