Plants
Sabal palmetto	Sagina subulata	Sagina subulata	Sagina subulata 'Aurea'
Sagittaria montevidensis	Salix 'Chrysocoma'	Salix 'Flame'	Salix 'Prairie Cascade'
Salix alba	Salix alba 'Britzensis' ('Chermesina')'	Salix alba 'Caerulea'	Salix alba 'Cardinalis'
Salix alba 'Tristis' ('Niobe')'	Salix alba 'Vitellina Tristis'	Salix alba 'Vitellina'	Salix alba f. argentea
Salix alba var. sericea	Salix babylonica	Salix babylonica 'Annularis'	Salix babylonica 'Babylon'
Salix babylonica 'Blue Fan'	Salix babylonica 'Crispa'	Salix caprea	Salix caprea 'Pendula' (Kilmarnock)'
Salix caprea 'Weeping Sally'	Salix chaenomeloides	Salix cinerea 'Tricolor'	Salix discolor
Salix discolor	Salix elaeagnos	Salix exigua	Salix gracilistyla
Salix gracilistyla 'Variegata'	Salix gracilistyla var. melanostachys	Salix hastata 'Wehrhahnii'	Salix helvetica
Salix integra 'Albomaculata'	Salix integra 'Hakuro-nishiki'	Salix koriyangi 'Rubykins'	Salix lanata
Salix lanata 'Stuartii'	Salix matsudana	Salix matsudana 'Golden Curls'	Salix matsudana 'Navaho' ('Globe Navaho')'
Salix matsudana 'Pendula'	Salix matsudana 'Scarlet Curls®' (Scarcuzam)'	Salix matsudana 'Snake'	Salix matsudana 'Tortuosa'
Salix matsudana 'Umbraculifera'	Salix melanostachys	Salix pentandra	Salix purpurea
Salix purpurea 'Nana'	Salix purpurea 'Pendula'	Salix purpurea 'Streamco'	Salix rosmarinifolia
Salix sachalinensis 'Sekka'	Salix vitellina var. pendula	Salix x aureo-pendula 'J1010'	Salix x aureo-pendula 'J1011'
Salix x aureo-pendula 'J841'	Salix x aureo-pendula 'J842'	Salix x blanda	Salix x blanda 'Elegantissima'
Salix x elegantissima	Salix x erythroflexuosa	Salix x pendulina 'Blanda'	Salpiglossis sinuata
Salvia 'Indigo Spires'	Salvia 'Mystic Spires Blue'	Salvia aethiopis	Salvia argentea
Salvia azurea	Salvia azurea 'grandiflora'	Salvia blepharophylla	Salvia bulleyana
Salvia cacaliifolia	Salvia coccinea	Salvia coccinea 'Apple Blossom'	Salvia coccinea 'Cherry Blossom'
Salvia coccinea 'Coral Nymph'	Salvia coccinea 'Diablo'	Salvia coccinea 'Dove White'	Salvia coccinea 'Honey Melon'
Salvia coccinea 'Lactea'	Salvia coccinea 'Lady in Red'	Salvia coccinea 'Peaches and Cream'	Salvia coccinea 'Pink Nymph'
Salvia coccinea 'Salmon'	Salvia coccinea 'Scarlet Nymph'	Salvia coccinea 'Snow Nymph'	Salvia coccinea 'Sweet Numbers'
Salvia corrugata 'Crocodile'	Salvia discolor	Salvia elegans (rutilans)	Salvia elegans (rutilans)
Salvia farinacea	Salvia farinacea 'Argent'	Salvia farinacea 'Cirrus'	Salvia farinacea 'Evolution'
Salvia farinacea 'Reference'	Salvia farinacea 'Rhea'	Salvia farinacea 'Strata'	Salvia farinacea 'Victoria Series'
Salvia forskaohlei	Salvia greggii	Salvia greggii 'Alba'	Salvia greggii 'Big Pink'
Salvia greggii 'Cherry Queen'	Salvia greggii 'Chiffon'	Salvia greggii 'Cienego D'oro'	Salvia greggii 'Dark Dancer'
Salvia greggii 'Desert Blaze'	Salvia greggii 'Furman's Red'	Salvia greggii 'Keter's Red'	Salvia greggii 'La Luna'
Salvia greggii 'Lipstick'	Salvia greggii 'Marashino'	Salvia greggii 'Navajo™ Dark Purple'	Salvia greggii 'Navajo™ Salmon Red'
Salvia greggii 'Navajo™ White'	Salvia greggii 'Pale Yellow'	Salvia greggii 'Peach La Encantada'	Salvia greggii 'Purple Haze'
Salvia greggii 'Purple Haze'	Salvia greggii 'Raspberry Royale'	Salvia greggii 'Red Velvet'	Salvia greggii 'Salmon'
Salvia guaranitica	Salvia guaranitica 'Argentina Skies'	Salvia guaranitica 'Black and Blue'	Salvia guaranitica 'Black and Blue'
Salvia guaranitica 'Blue Ensign'	Salvia guaranitica 'Costa Rica Blue'	Salvia guaranitica 'Purple Knight'	Salvia guaranitica 'Purple Majesty'
Salvia guaranitica 'Purple Splendour'	Salvia hians	Salvia indica	Salvia involucrata
Salvia involucrata 'Bethellii'	Salvia involucrata 'El Cielo'	Salvia jurisicii	Salvia koyamae
Salvia lavandulifolia	Salvia leucantha	Salvia leucantha	Salvia leucantha 'Blue on Blue'
Salvia leucantha 'Midnight'	Salvia madrensis	Salvia microphylla	Salvia microphylla 'Blush Pink'
Salvia microphylla var. neurepia	Salvia mohavensis	Salvia nemorosa 'Amethyst'	Salvia nemorosa 'Caradonna'
Salvia nemorosa 'Marcus®' (Haeumanarc)'	Salvia nemorosa 'Tanzeria'	Salvia officinalis	Salvia officinalis
Salvia officinalis 'Albiflora'	Salvia officinalis 'Aurea'	Salvia officinalis 'Berggarten'	Salvia officinalis 'Icterina'
Salvia officinalis 'Purpurescens'	Salvia officinalis 'Purpurescens'	Salvia officinalis 'Rubrifolia'	Salvia officinalis 'Salicifolia'
Salvia officinalis 'Tricolor'	Salvia officinalis 'Tricolor'	Salvia patens	Salvia patens 'Alba'
Salvia patens 'Cambridge Blue'	Salvia patens 'Chilcombe'	Salvia penstemonoides	Salvia pratensis
Salvia pratensis 'Alba'	Salvia pratensis 'Atroviolacea'	Salvia pratensis 'Baumgartenii'	Salvia pratensis 'Haematodes'
Salvia pratensis 'Indigo'	Salvia pratensis 'Lupinoides'	Salvia pratensis 'Rosea'	Salvia pratensis 'Rubicundra'
Salvia pratensis 'Tenorii'	Salvia pratensis 'Variegata'	Salvia regla	Salvia sclarea
Salvia sclarea 'Turkestanica'	Salvia splendens	Salvia splendens 'Blaze of Fire'	Salvia splendens 'Bonfire'
Salvia splendens 'Carabiniere White'	Salvia splendens 'Cleopatra Violet'	Salvia splendens 'Cleopatra White'	Salvia splendens 'Dwarf Early Bird'
Salvia splendens 'Dwarf Little Tango'	Salvia splendens 'Empire Dark Salmon'	Salvia splendens 'Etna'	Salvia splendens 'Faye Chapel'
Salvia splendens 'Flare'	Salvia splendens 'Fuego'	Salvia splendens 'Garden Leader Firecracker Red'	Salvia splendens 'Grenadier'
Salvia splendens 'Hot Stuff'	Salvia splendens 'Maestro'	Salvia splendens 'Melba'	Salvia splendens 'Paradiso'
Salvia splendens 'Picante Burgundy'	Salvia splendens 'Red Arrows'	Salvia splendens 'Red Hot Sally'	Salvia splendens 'Red Pillar'
Salvia splendens 'Scarlet King'	Salvia splendens 'Scarlet Queen™'	Salvia splendens 'Scarlet Signal'	Salvia splendens 'Scorpio'
Salvia splendens 'Sizzler Series'	Salvia splendens 'St John's Fire'	Salvia splendens 'Van Houttei'	Salvia splendens 'Vista Red'
Salvia splendens 'Vista Red'	Salvia splendens 'Vista Salmon'	Salvia transsilvanica	Salvia uliginosa
Salvia uliginosa 'Summer Sky'	Salvia vanhouttei	Salvia verticillata	Salvia verticillata 'Alba'
Salvia verticillata 'Purple Rain®'	Salvia viridis (horminum)	Salvia viridis (horminum) 'Alba'	Salvia viridis (horminum) 'Bluebeard'
Salvia viridis (horminum) 'Claryssa'	Salvia viridis (horminum) 'Oxford Blue'	Salvia viridis (horminum) 'Pink Sundae'	Salvia viridis (horminum) 'Purpurea'
Salvia viridis (horminum) 'Rose Bouquet'	Salvia viridis (horminum) 'Rosea'	Salvia viridis (horminum) 'Violacea'	Salvia viridis (horminum) 'White Swan'
Salvia x involucrata 'Mulberry Jam'	Salvia x sylvestris	Salvia x sylvestris 'Blue Hill' (Blauhügel)'	Salvia x sylvestris 'Blue Queen' (Blaukoenigin)'
Salvia x sylvestris 'East Friesland' (Ostfriesland)'	Salvia x sylvestris 'Lubecca'	Salvia x sylvestris 'May Night' (Mainacht)'	Salvia x sylvestris 'Montrose Best'
Salvia x sylvestris 'Rose Queen' (Rosakoenigin)'	Salvia x sylvestris 'Rose Wine' (Rosenwein)'	Salvia x sylvestris 'Viola Klose'	Salvia x sylvestris 'Wesuwe'
Sambucus caerulea	Sambucus canadensis	Sambucus canadensis 'Adams'	Sambucus canadensis 'Adams'
Sambucus canadensis 'Aurea'	Sambucus canadensis 'Laciniata' (Acutiloba)'	Sambucus canadensis 'Maxima'	Sambucus canadensis 'Rubra'
Sambucus canadensis 'York'	Sambucus nigra	Sambucus nigra 'Aurea'	Sambucus nigra 'Aureomarginata'
Sambucus nigra 'Black Lace™' (Eva)'	Sambucus nigra 'Foliis Purpureis'	Sambucus nigra 'Guincho Purple'	Sambucus nigra 'Laciniata'
Sambucus nigra 'Madonna'	Sambucus nigra 'Marginata'	Sambucus nigra 'Pulverulenta'	Sambucus nigra 'Purpurea'
Sambucus nigra 'Wildwood Snowtip'	Sambucus pubens	Sambucus pubens 'Dissecta'	Sambucus pubens 'Leucocarpa'
Sambucus pubens 'Xanthocarpa'	Sambucus racemosa	Sambucus racemosa 'Goldenlocks'	Sambucus racemosa 'Plumosa Aurea'
Sambucus racemosa 'Plumosa'	Sambucus racemosa 'Redman'	Sambucus racemosa 'Sutherland Gold'	Sambucus racemosa 'Tenuifolia'
Sambucus simpsonii	Samyda velutina	Sanchesia parvibracteata	Sanchesia speciosa
Sandersonia aurantiaca	Sanguinaria canadensis	Sanguinaria canadensis 'Multiplex'	Sanguisorba canadensis
Sanguisorba obtusa	Sanguisorba obtusa 'Alba'	Sanguisorba officinalis	Santolina chamaecyparissus (incana)
Santolina chamaecyparissus (incana)	Santolina chamaecyparissus (incana) 'Lambrook Silver'	Santolina chamaecyparissus (incana) 'Lambrook Silver'	Santolina chamaecyparissus (incana) 'Lemon Queen'
Santolina chamaecyparissus (incana) 'Lemon Queen'	Santolina chamaecyparissus (incana) 'Little Ness'	Santolina chamaecyparissus (incana) 'Nana'	Santolina chamaecyparissus (incana) 'Nana'
Santolina chamaecyparissus (incana) 'Plumosus'	Santolina chamaecyparissus (incana) 'Plumosus'	Santolina chamaecyparissus (incana) 'Pretty Carroll'	Santolina chamaecyparissus (incana) 'Pretty Carroll'
Santolina chamaecyparissus (incana) 'Weston'	Santolina pinnata spp neapolitana	Santolina virens (rosmarinifolia)	Santolina virens (rosmarinifolia)
Santolina virens (rosmarinifolia) 'Lemon Fizz'	Santolina virens (rosmarinifolia) 'Primrose Gem'	Santolina virens (rosmarinifolia) 'Primrose Gem'	Sanvitalia procumbens
Sanvitalia procumbens 'Gold Braid'	Sanvitalia procumbens 'Golden Carpet'	Sanvitalia procumbens 'Irish Eyes'	Sanvitalia procumbens 'Mandarin Orange'
Sanvitalia procumbens 'Orange Sprite'	Sanvitalia procumbens 'Tsavo Golden Yellow'	Sapindus drummondii	Sapindus drummondii 'Narrow Leaf'
Sapindus mukorossi	Sapium japonicum	Sapium sebiferum	Saponaria lutea
Saponaria ocymoides	Saponaria ocymoides 'Alba' (albiflora)'	Saponaria ocymoides 'Carnea'	Saponaria ocymoides 'Floribunda'
Saponaria ocymoides 'Rubra'	Saponaria ocymoides 'Splendens'	Saponaria ocymoides 'Splendissima'	Saponaria ocymoides 'Versicolor'
Saponaria officinalis	Saponaria officinalis 'Alba'	Saponaria officinalis 'Alba-plena'	Saponaria officinalis 'Rosea-Plena'
Saponaria officinalis 'Rubra-plena'	Saponaria officinalis 'Variegata' (Dazzler)'	Saponaria x lempergii 'Max Frei'	Saraca indica
Sarcandra glabra	Sarcandra glabra 'Flava'	Sarcococca confusa	Sarcococca hookeriana
Sarcococca hookeriana var. digyna	Sarcococca hookeriana var. digyna 'Purple Stem'	Sarcococca hookeriana var. humilis	Sarcococca orientalis
Sarcococca ruscifolia	Sarcococca ruscifolia var. chinensis	Sarcococca saligna	Sarracenia oreophila
Saruma henryi	Sasa palmata	Sasa tsuboiana 'Green View'	Sassafras albidum (variifolium) (officinale)
Saururus cernuus	Saxifraga cochlearis	Saxifraga cochlearis var. major	Saxifraga cotyledon
Saxifraga cuscutiformis	Saxifraga hirsuta	Saxifraga moschata 'Cloth of Gold'	Saxifraga oppositifolia 'Latina'
Saxifraga oppositifolia 'Vaccarina'	Saxifraga paniculata	Saxifraga paniculata var. globrata	Saxifraga rotundifolia
Saxifraga spathularis	Saxifraga stolonifera	Saxifraga stolonifera 'Harvest Moon'	Saxifraga stolonifera 'Maroon Beauty'
Saxifraga stolonifera 'Tricolor'	Saxifraga taygetea	Saxifraga trifurcata	Saxifraga umbrosa
Saxifraga x apiculata	Saxifraga x apiculata 'Alba'	Saxifraga x apiculata 'Winifred Bevington'	Saxifraga x arendsii
Saxifraga x arendsii 'Blood Carpet' (Blutenteppich)'	Saxifraga x arendsii 'Flower Carpet'	Saxifraga x arendsii 'Flowers of Sulphur'	Saxifraga x arendsii 'Gaiety'
Saxifraga x arendsii 'Purple Carpet' (Purpurteppich)'	Saxifraga x arendsii 'Rosea'	Saxifraga x arendsii 'Rubra'	Saxifraga x arendsii 'Snow Carpet' (Schneeteppich)'
Saxifraga x arendsii 'Triumph'	Saxifraga x arendsii 'Witt'	Saxifraga x urbium	Saxifraga x urbium 'Aureopunctata' (Variegata)'
Saxifraga x urbium 'Aureopunctata' (Variegata)'	Saxifraga x urbium 'Chambers Pink Pride'	Saxifraga x urbium 'Clarence Elliott' (Elliott's Variety)'	Saxifraga x urbium 'Monstrosa'
Saxifraga x urbium 'Primuloides'	Saxifraga x urbium 'Seratifolia'	Saxifraga x urbium 'Walter Ingwersen' (Ingwersen's Variety)'	Scabiosa atropurpurea
Scabiosa atropurpurea 'Ace of Spades'	Scabiosa caucasica	Scabiosa caucasica 'Alba'	Scabiosa caucasica 'Blue Perfection'
Scabiosa caucasica 'Bressingham White'	Scabiosa caucasica 'Denise'	Scabiosa caucasica 'Fama'	Scabiosa caucasica 'Issac House Hybrids'
Scabiosa caucasica 'Kompliment'	Scabiosa caucasica 'Loddon White'	Scabiosa caucasica 'Moerheim Blue'	Scabiosa caucasica 'Moonstone'
Scabiosa caucasica 'Perfecta Blue'	Scabiosa caucasica 'Perfecta'	Scabiosa caucasica 'Rumor'	Scabiosa columbaria 'Blue Seal'
Scabiosa columbaria 'Butterfly Blue'	Scabiosa columbaria 'Harlequin Blue'	Scabiosa columbaria 'Pink Mist'	Scabiosa graminifolia
Scabiosa japonica	Scabiosa japonica var. alpina 'Ritz Blue'	Scabiosa lucida	Scabiosa ochroleuca
Scabiosa ochroleuca 'Athens Primrose Dwarf'	Scabiosa ochroleuca 'Lemon Sorbet'	Scabiosa stellata	Scabiosa stellata 'Drumstick'
Scabiosa stellata 'Ping Pong'	Scadoxus (Haemanthus grandiflorum) multiflorus subsp. katharinae	Scadoxus (Haemanthus magnificus, natalensis) puniceus	Scaevola 'Pink Perfection'
Scaevola 'Summertime Blues'	Scaevola aemula (humilis)	Scaevola aemula (humilis) 'Blue Ribbon'	Scaevola aemula (humilis) 'Blue Shamrock'
Scaevola aemula (humilis) 'Blue Wonder'	Scaevola aemula (humilis) 'Colonial Fan'	Scaevola aemula (humilis) 'Mauve Clusters'	Scaevola aemula (humilis) 'Mini Pink Fan'
Scaevola aemula (humilis) 'Mini Wonder'	Scaevola aemula (humilis) 'Outback Purple Fan™'	Scaevola aemula (humilis) 'Outback White'	Scaevola aemula (humilis) 'Sun Fan'
Scaevola aemula (humilis) 'White Charm'	Scaevola aemula (humilis) 'White Fan'	Scaevola calliptera	Scaevola nitida
Schefflera actinophylla	Schefflera actinophylla 'Renegade™'	Schefflera arboricola	Schefflera elegantissima
Schinus molle	Schizachyrium (Andropogon) scoparium	Schizanthus pinnatus	Schizanthus pinnatus 'Carmineus'
Schizanthus pinnatus 'Cherry Shades'	Schizanthus pinnatus 'Disco Mix'	Schizanthus pinnatus 'Floraboard'	Schizanthus pinnatus 'Sweet Lips'
Schizanthus x wisetonensis 'Compactus'	Schizanthus x wisetonensis 'Royal Pierrot™ Mix'	Schizophragma hydrangeoides	Schizophragma hydrangeoides 'Brookside Littleleaf'
Schizophragma hydrangeoides 'Iwa-garami'	Schizophragma hydrangeoides 'Moonlight'	Schizophragma hydrangeoides 'Moonlight'	Schizophragma hydrangeoides 'Roseum'
Schizophragma hydrangeoides 'Strawberry Leaf'	Schizophragma integrifolium	Schizostylis coccinea 'Major'	Schizostylis coccinea 'November Charm'
Schizostylis coccinea 'Salmon Charm'	Schizostylis coccinea 'Sunrise'	Schoenia fiflifolia	Schotia brachypetala
Sciadopitys verticillata	Sciadopitys verticillata 'Ann Haddow'	Sciadopitys verticillata 'Aurea'	Sciadopitys verticillata 'Green Star'
Sciadopitys verticillata 'Jim Cross'	Sciadopitys verticillata 'Joe Kozey'	Sciadopitys verticillata 'Ossorio Gold'	Sciadopitys verticillata 'Pendula'
Sciadopitys verticillata 'Picola'	Sciadopitys verticillata 'Richie's Cushion'	Sciadopitys verticillata 'Variegata'	Sciadopitys verticillata 'Wintergreen'
Scilla acaulis 'Saxatilis'	Scilla bifolia	Scilla bifolia 'Rumor'	Scilla bifolia var. alba
Scilla bifolia var. praecox	Scilla bifolia var. rosea	Scilla bifolia var. rubra	Scilla bifolia var. taurica
Scilla mischtschenkoana (tubergeniana)	Scilla mischtschenkoana (tubergeniana) 'Alba'	Scilla mischtschenkoana (tubergeniana) 'Zwanenburg'	Scilla peruviana
Scilla sibirica	Scirpus (Schoenoplectus) lacustris var. tabernaemontani 'Zebrinus'	Scoparia 'Ilumina™ Lemon Mist'	Scopolia carniolica
Scrophularia auriculata 'Variegata'	Scutellaria albida	Scutellaria costaricana	Scutellaria costaricana
Scutellaria incana	Scutellaria indica	Securidaca diversifolia	Securinega suffruticosa
Sedum 'Atropurpureum'	Sedum 'Autumn Joy' (Herbstfreude)'	Sedum 'Black Jack'	Sedum 'Mohrchen'
Sedum 'Ruby Glow' (Rosey Glow)'	Sedum 'Sunset Cloud'	Sedum 'Vera Jameson'	Sedum acre
Sedum acre 'Aureum'	Sedum acre 'Aureum'	Sedum acre 'Elegans'	Sedum acre var. majus
Sedum acre var. minus	Sedum aizoon	Sedum aizoon 'Euphorboides'	Sedum aizoon var. aurantiacum
Sedum alboroseum 'Medio-Variegatus'	Sedum assenersii	Sedum cauticola 'Lidakense'	Sedum hidakanum
Sedum kamtschaticum	Sedum kamtschaticum 'Diffusum'	Sedum kamtschaticum 'Takahira Dake'	Sedum kamtschaticum 'Variegatum'
Sedum kamtschaticum 'Weihenstephaner Gold'	Sedum kamtschaticum var. ellacombianum	Sedum middendorfianum	Sedum pulchellum
Sedum reflexum 'Blue Spruce'	Sedum rubrotinctum	Sedum rupestre 'Angelina'	Sedum rupestre 'Angelina'
Sedum sexangulare	Sedum spathulifolium 'Cape Blanco'	Sedum spectabile 'Carmen'	Sedum spectabile 'Meteor'
Sedum spectabile 'Mini Joy™'	Sedum spurium	Sedum spurium 'Album'	Sedum spurium 'Atropurpureum'
Sedum spurium 'Blood of the Earth' (Erdblut)'	Sedum spurium 'Bronze Carpet'	Sedum spurium 'Coccineum'	Sedum spurium 'Dragon's Blood'
Sedum spurium 'Fire Glow' (Fuldaglut)'	Sedum spurium 'Green Mantle'	Sedum spurium 'John Creech'	Sedum spurium 'Purple Carpet' (Purpurteppich)'
Sedum spurium 'Red Carpet' (Rosenteppich)'	Sedum spurium 'Ruby Mantle'	Sedum spurium 'Tricolor'	Sedum spurium 'Variegatum'
Sedum spurium 'Voodoo'	Sedum telephium 'Maximum'	Sedum ternatum	Sedum ternatum 'Larinem Park'
Sedum ternatum 'Minus'	Sedum ternatum 'Shale Barrens'	Sedum tetractinum 'Coral Reef'	Sedum turkestanicum
Selaginella	Selaginella braunii	Selaginella kraussiana 'Aurea'	Selinum tenuifolium
Semiaquilegia ecalcarata	Sempervivum arachnoideum	Sempervivum arachnoideum 'Tomentosum'	Sempervivum calcareum
Sempervivum tectorum	Sempervivum tectorum 'cupreum'	Senecio aureus	Senecio bicolor
Senecio cineraria	Senecio cineraria	Senecio cineraria 'Cirrus'	Senecio cineraria 'New Look'
Senecio cineraria 'Sao Paolo'	Senecio cineraria 'Silver Dust'	Senecio cineraria 'Silver Dust'	Senecio cineraria 'White Diamond'
Senecio confusus	Senecio doria	Senecio douglasii var. longilobus	Senecio grandiflorus
Senecio huritieri	Senecio leucostachys	Senecio petasites	Senecio smithii
Senecio tamoides	Senna (Cassia) afrofistula	Senna (Cassia) alata	Senna (Cassia) alata
Senna (Cassia) artemisioides	Senna (Cassia) corymbosa	Senna (Cassia) didymobotrya	Senna (Cassia) fistula
Senna (Cassia) hebecarpa	Senna (Cassia) javanica	Senna (Cassia) marilandica	Senna (Cassia) mexicana (bahamensis) 'chapmanii'
Senna (Cassia) polyphylla	Senna (Cassia) racemosa (ekmaniana)	Senna (Cassia) roxburghii (marginata)	Senna (Cassia) spectabilis
Senna (Cassia) surattensis	Senna (Cassia) x nealiae	Sequoia sempervirens	Sequoia sempervirens 'Adpressa'
Sequoia sempervirens 'Albospicata'	Sequoia sempervirens 'Aptos Blue'	Sequoia sempervirens 'Cantab'	Sequoia sempervirens 'Filoli'
Sequoia sempervirens 'Glauca'	Sequoia sempervirens 'Henderson Blue'	Sequoia sempervirens 'Los Altos'	Sequoia sempervirens 'Majestic Beauty®' (Monty)'
Sequoia sempervirens 'Pendula Nana'	Sequoia sempervirens 'Prostrata'	Sequoia sempervirens 'Santa Cruz'	Sequoia sempervirens 'Simpsons Silver'
Sequoia sempervirens 'Soquel'	Sequoia sempervirens 'Woodside'	Sequoiadendron giganteum	Sequoiadendron giganteum 'Glaucum'
Sequoiadendron giganteum 'Hazel Smith'	Sequoiadendron giganteum 'Les Barres'	Sequoiadendron giganteum 'Pendulum'	Sequoiadendron giganteum 'Pygmaeum'
Sequoiadendron giganteum 'Requiem'	Serissa foetida	Serissa foetida 'Cherry Blossom'	Serissa foetida 'Flore-pleno'
Serissa foetida 'Kowloon'	Serissa foetida 'Kyoto'	Serissa foetida 'Mt. Fuji'	Serissa foetida 'Pink Swan'
Serissa foetida 'Plena'	Serissa foetida 'Rosea'	Serissa foetida 'Sapporo'	Serissa foetida 'Variegata'
Serissa foetida 'White Swan'	Setcreasea (Tradescantia) pallida 'Purpurea'	Shepherdia argentea	Shepherdia argentea 'Goldeye'
Shepherdia argentea 'Xanthocarpa'	Shepherdia canadensis	Shepherdia canadensis 'Rubra'	Shepherdia canadensis 'Xanthocarpa'
Shortia galacifolia	Sidalcea candida	Sidalcea malviflora	Sidalcea x cultorum 'Brilliant'
Sidalcea x cultorum 'Elsie Heugh'	Sidalcea x cultorum 'Loveliness'	Sidalcea x cultorum 'Oberon'	Sidalcea x cultorum 'Party Girl'
Sidalcea x cultorum 'Puck'	Sidalcea x cultorum 'Rosanna'	Sidalcea x cultorum 'Rose Queen'	Sidalcea x cultorum 'Stark's Variety'
Sidalcea x cultorum 'Sussex Beauty'	Sidalcea x cultorum 'William Smith'	Silene 'Longwood'	Silene acaulis
Silene acaulis 'Cenisia'	Silene acaulis 'Floribunda'	Silene acaulis 'Frances'	Silene acaulis 'Mt Snowden'
Silene alpestris	Silene armeria	Silene caroliniana	Silene caroliniana 'Millstream Select'
Silene caroliniana 'Pennsylvanica'	Silene dioica	Silene dioica 'Richmond'	Silene fimbriata
Silene hifacensis	Silene nutans	Silene pendula	Silene pendula 'Peach Blossom'
Silene pendula 'Snowball'	Silene polypetala	Silene pusilla	Silene regia
Silene schafta	Silene schafta 'Shelly Pink'	Silene schafta 'Splendens'	Silene uniflora (maritima)
Silene virginica	Silphium dentatum	Silphium laciniatum	Silphium perfoliatum
Silybum marianum	Sinarundinaria nitida	Sinningia speciosa	Sinningia speciosa 'Blanche de Meru'
Sinningia speciosa 'Glory Blue and White'	Sinningia speciosa 'Super Compact Red'	Sinocalycanthus 'Venus'	Sinocalycanthus chinensis
Sinojackia rehderiana	Sinojackia xylocarpa	Sinowilsonia henryi	Sisymbrium luteum
Sisyrinchium 'Biscutella'	Sisyrinchium 'Devon Skies'	Sisyrinchium 'E.K. Balls'	Sisyrinchium 'Pole Star'
Sisyrinchium 'Quaint and Queer'	Sisyrinchium angustifolium	Sisyrinchium angustifolium 'Album'	Sisyrinchium angustifolium 'Lucerne'
Sisyrinchium arenarium	Sisyrinchium atlanticum	Sisyrinchium bermudianum	Sisyrinchium californicum
Sisyrinchium idahoense 'Album'	Sisyrinchium idahoense 'California Skies'	Sisyrinchium macrocephalum (palmifolium)	Sisyrinchium striatum
Sisyrinchium striatum 'Aunt May'	Sisyrinchium striatum 'Variegatum'	Skimmia japonica	Skimmia japonica 'Bronze Knight'
Skimmia japonica 'Foremanii'	Skimmia japonica 'Fructo-albo'	Skimmia japonica 'Nymans'	Skimmia japonica 'Rubella'
Skimmia japonica 'Ruby Dome'	Skimmia japonica 'Ruby King'	Skimmia japonica 'Veitchii'	Skimmia japonica 'Wakehurst White'
Skimmia laureola	Skimmia laureola 'Fragrant Cloud'	Skimmia reevesiana	Skimmia reevesiana 'Chilan Choice'
Skimmia x confusa 'Chelsea Physic'	Skimmia x confusa 'Isabella'	Skimmia x confusa 'Kew Green'	Smilacina racemosa
Smilacina racemosa 'cylindrica'	Smilacina striatum 'Serrifolia'	Smilax rotundifolia	Smilax smallii
Smilax walteri	Solandra longiflora	Solandra maxima	Solanum (Lycianthes) rantonnetii
Solanum (Lycianthes) rantonnetii 'Royal Robe'	Solanum crispum 'Glasnevin'	Solanum jasminoides	Solanum jasminoides 'Alba'
Solanum melongena 'Mohican'	Solanum pseudocapsicum	Solanum pseudocapsicum 'Cherry Jubilee'	Solanum pseudocapsicum 'Giant Red Cherry'
Solanum pseudocapsicum 'Paterson'	Solanum wendlandii	Solanum wendlandii 'Albescens'	Soldanella montana
Solenostemon rehneltianus (pumilus) 'Plum Good' (Trailing Plum() (Stained Glassworks™ Series)'	Solenostemon scutellarioides 'Altoona' (Florida City Series)'	Solenostemon scutellarioides 'Alturas' (Florida City Series)'	Solenostemon scutellarioides 'Apopka' (Florida City Series)'
Solenostemon scutellarioides 'Athens Red Giant'	Solenostemon scutellarioides 'Aurora™ Black Cherry'	Solenostemon scutellarioides 'Aurora™ Mocha'	Solenostemon scutellarioides 'Aurora™ Peach'
Solenostemon scutellarioides 'Aurora™ Raspberry'	Solenostemon scutellarioides 'Aztec'	Solenostemon scutellarioides 'Bithlo' (Florida City Series)'	Solenostemon scutellarioides 'Black Dragon'
Solenostemon scutellarioides 'Black Dragon'	Solenostemon scutellarioides 'Bonifay' (Florida City Series)'	Solenostemon scutellarioides 'Burgundy Sun' (SuperSun Series)'	Solenostemon scutellarioides 'Captiva' (Florida City Series)'
Solenostemon scutellarioides 'Chipola' (Florida City Series)'	Solenostemon scutellarioides 'Chuluota' (Florida City Series)'	Solenostemon scutellarioides 'Collins Gold'	Solenostemon scutellarioides 'Dragon Mix'
Solenostemon scutellarioides 'Ducksfoot'	Solenostemon scutellarioides 'Golden Dragon'	Solenostemon scutellarioides 'Holopaw' (Florida City Series)'	Solenostemon scutellario