Rubus coccineanus 'Golden Vale' Rubus odoratus
Rudbeckia fulgida var. speciosa 'Viette's Little Suzy' Rudbeckia fulgida var. sullivantii 'Goldsturm'
Rudbeckia laciniata Rudbeckia laciniata 'Goldquelle'
Rudbeckia triloba Sabal bermudana
Sabal blackburniana Sabal causiarum
Sabal jamaicensis Sabal mauritiiformis
Sabal mexicana Sabal minor
Sabal palmetto Sabal parviflora
Sabal rosei Sabal uresana
Sagittaria latifolia Salvia coccinea 'Lady in Red'
Salvia columbariae Salvia elegans
Salvia greggii Salvia greggii 'Moonlight'
Salvia greggii 'Raspberry Ripple' Salvia greggii 'Sierra San Antonio'
Salvia guaranitica Salvia guaranitica 'Black and Blue'
Salvia holwayii Salvia lanceolata
Salvia spathacea Salvia splendens
Salvia splendens 'Caramba' Salvia splendens 'Cleopatra'
Salvia splendens 'Empire Red' Salvia splendens 'Firecracker Wow'
Salvia splendens 'Purple Blaze' Salvia splendens 'Sizzler Burgundy'
Salvia splendens 'Sizzler Salmon' Salvia splendens 'Van Houttei'
Salvia splendens 'Vista Red' Salvia verticillata 'Alba'
Salvia verticillata 'Purple Rain' Sambucus caerulea
Sambucus canadensis Sambucus canadensis 'Aurea'
Sambucus canadensis 'Johns' Sambucus mexicana
Sambucus nigra Sambucus nigra 'Eva (Black Lace™)'
Sambucus nigra 'Fastigiata' Sambucus nigra 'Gerda(Black Beauty™)'
Sambucus nigra 'Guincho Purple' Sambucus nigra 'Laciniata'
Sambucus nigra 'Madonna' Sambucus nigra 'Pulverulenta'
Sambucus racemosa 'Plumosa Aurea' Sambucus racemosa 'SMNSRD4 (Lemon Lace™)'
Sambucus racemosa 'Sutherland Gold' Sambucus racemosa 'Tenuifolia'
Sapium sebiferum Sarcococca confusa
Sarcococca ruscifolia Sassafras albidum
Scabiosa atropurpurea Schefflera actinophylla
Schinus molle Schinus terebinthifolius
Schizachyrium scoparium Schizachyrium scoparium 'The Blues'
Sempervivum pomelii Senegalia greggii
Sequoia sempervirens Sequoia sempervirens 'Filoli'
Sequoia sempervirens 'Prostrata' Sequoia sempervirens 'Soquel'
Sequoiadendron giganteum Serenoa repens
Shepherdia argentea Shepherdia canadensis
Shepherdia rotundifolia Silphium perfoliatum
Silybum marianum Smilax hispida
Solidago rugosa 'Fireworks' Sorbus americana
Sorbus hybrida Sparganium androcladum
Spiraea betulifolia 'Tor Gold (Glow Girl®)' Spiraea japonica 'Galen (Double Play® Artisan®)'
Spiraea japonica 'Tracy (Double Play® Big Bang™)' Spiraea japonica 'Yan (Double Play® Gold)'
Spiraea media 'SMSMBK (Double Play® Blue Kazoo®)' Sporobolus heterolepis
Sporobolus lindheimeri Stachys albens
Stachys palustris Suriana maritima
Symphoricarpos x doorenbosii 'Kordes(Amethyst™)'