| S |
| Sabatia; Rose-pink, Sabatia angularis |
| Safrano rose, Rosa 'Safrano' |
| Sage, Bloody, Salvia coccinea |
| Sage, Hybrid, Salvia x superba |
| Sage, Lyre-leaved, Salvia lyrata |
| Sage, Pineapple, Salvia elegans |
| Sage, Red, Lantana camara |
| Sage, Russian, Perovskia atriplicifolia |
| Sage, Russian, Perovskia atriplicifolia |
| Sage, Salvia officinalis |
| Sage, Silver, Salvia argentea |
| Sage, Sky-blue, Salvia uliginosa |
| Sage, Texas, Salvia coccinea |
| Sage, White; Sagewort, Artemesia ludoviciana |
| Sage, Yellow, Lantana camara |
| Sage,Velvet, Salvia leucantha |
| Salet rose, Rosa 'Salet' |
| Sally Holmes rose, Rosa 'Sally Holmes' |
| Salvia, Salvia splendens |
| Sandhill rosemary, Ceratiola ericoides |
| Sandwort, Moss, Minuartia verna spp. caespitosa |
| Santa Cruz water lily, Victoria cruziana |
| Santolina, Green, Santolina pinata |
| Santolina, Green, Santolina virens |
| Santolina, Green, Santolina virens |
| Santolina, Santolina chamaecyparissus |
| Santolina, Santolina chamaecyparissus |
| Santolina; Lavender cotton, Santolina chamaecyparissus |
| Sapphire flower, Browallia speciosa |
| Sapphireberry; Asiatic sweetleaf, Symploccos paniculata |
| Sarabande rose, Rosa 'MELhand'; Rosa 'MELrabande' |
| Saratoga rose, Rosa 'Saratoga' |
| Sarbonde miscanthus, Miscanthus sinensis 'Sarbonde' |
| Sarcococca, Fragrant, Sarcococca ruscifolia |
| Sarcococca, Himalayan, Sarcococca hookeriana |
| Sarcococca, Oriental, Sarcococca orientalis |
| Sarcococca, Sarcococca hookeriana var. humilis |
| Sarcococca; Sweetbox, Sarcococca hookeriana var. humilis |
| Sarococca, Sarcococca confusa |
| Sassafrass, Sassafras albidum |
| Savannah rose, Rosa 'Savannah' |
| Saxifrage, Early, Saxifraga virginiensis |
| Saxifrage, Michaux's, Saxifraga michauxii |
| Scabiosa, Scabiosa atropurpurea |
| Scarlet Meidiland rose, Rosa 'MELKrotal' |
| Scarlet painted-cup; Indian paintbrush, Castilleja coccinea |
| Scarlet runner bean, Phaseolus coccineus |
| Scarlet sage, Salvia splendens |
| Scentimental rose, Rosa 'WEKplapep' |
| Schloss Glucksberg rose, Rosa 'AUSbuff' |
| Schneeflocke rose, Rosa 'Schneeflocke' |
| Schneeteppich rose, Rosa 'Schneeteppich' |
| Scorpionweed; Miami mist, Phacelia purshii |
| Sea Foam rose, Rosa 'Sea Foam' |
| Sea holly, Eryngium spp. |
| Sea lavender, Limonium latifolium |
| Sea thrift, Armeria maritima |
| Seashell rose, Rosa 'KORshell' |
| Sechuan ribbon fern, Lepisorus bicolor |
| Secret rose, Rosa 'HILaroma' |
| Sedge, Fraser's, Cymophyllus fraseri |
| Sedge, Japanese; Morrow's sedge, Carex morrowii |
| Sedge, Palm; Tenjiku sedge, Carex phyllocephala |
| Sedge, Plaintain-leaved, Carex plantaginea |
| Sedge, Tufted, Carex elata (Carex stricta) |
| Sedge, White bracted, Dichromena latifolia |
| Sedum, Chinese, Sedum tetractinum |
| Sedum, Gold, Sedum kamtschaticum var. floriferum 'Weihenstepharis Gold' |
| Sedum, John Creech, Sedum spurium 'John Creech' |
| Sedum, Kamschatka, Sedum kamtschaticum |
| Sedum; Stonecrop, Sedum spp. |
| Seedbox, Ludwigia alternifolia |
| Self-heal, Prunella x webbiana |
| Semperflorens rose, Rosa chinensis semperflorens |
| Senna, American, Cassia marilandica |
| Senna, Common bladder, Colutea arborescens |
| Senna, Wild, Cassia hebercarpa |
| Senna; Partridge pea, Cassia fasciculata (Chamaecrista fasciculata) |
| Sensitive fern; Bead fern, Onoclea sensibilis |
| Sentimental rose, Rosa 'POULtal' |
| Sentry-boxes, Albuca |
| Serissa, Japanese, Serissa foetida |
| Serviceberry, Allegheney, Amelanchier laevis |
| Serviceberry, Amelanchier canadensis |
| Serviceberry, Apple, Amelanchier x grandiflora |
| Serviceberry, Downy, Amelanchier arborea |
| Serviceberry, Downy, Amelanchier arborea var. arborea |
| Serviceberry, Saskatoon, Amelanchier alnifolia |
| Serviceberry, Shadbush, Amelanchier canadensis |
| Serviceberry; Allegheny serviceberry, Amelanchier arborea var. laevis |
| Serviceberry; Shadblow, Amelanchier arborea var. arborea |
| Seven Sisters rose, Rosa cathayensis platyphylla |
| Sevenson flower, Heptacodium miconioides |
| Sevillana Mediland rose, Rosa 'MELgekanu' |
| Sewartia; Silky camellia, Stewartia malacodendron |
| Sexy Rexy rose, Rosa 'MACrexy' |
| Shadblow, Amelanchier arborea var. arborea |
| Shadbush, Amelanchier arborea |
| Shaggy shield fern; Autumn fern, Dryopteris erythrosora |
| Shakespeare's Rose, Rosa 'AUSroyal' |
| Sharifa Asthma rose, Rosa 'AUSreef' |
| Sheep laurel; Wicky, Kalmia angustifolia var. caroliniana |
| Sheer Bliss rose, Rosa 'JACtro' |
| Sheer Elegance rose, Rosa 'TWObe' |
| Sheila's Perfume rose, Rosa 'HARsherry' |
| Shield fern; Toothed wood fern; Spinulose wood fern, Dryopteris carthusiana |
| Shining Hour rose, Rosa 'JACyef' |
| Shinleaf, Pyrola elliptica |
| Shinning sose, Rosa 'Shinning Rose' |
| Shirley Bryne water lily, Nymphaea 'Shirley Bryne' |
| Shooting stars, Dodecatheon meadia |
| Shortia, Shortia galacifolia |
| Shortia; Oconee bells, Shortia galacifolia |
| Showbiz rose, Rosa 'TANweieka' |
| Showy orchis, Galearis spectablis (Orchis spectabillis) |
| Shreveport rose, Rosa 'KORpesh' |
| Siberian squill, Scilla siberica; S. tubergeniana |
| Sickle fern, Pellaea falcata |
| Siebold's wood fern, Dryopteris sieboldii |
| Signature rose, Rosa 'JACnor' |
| Silhouette rose, Rosa 'Silhouette' |
| Silver buffaloberry , Shepherdia argentea |
| Silver feather, Miscanthus sinensis 'Silberfeder' |
| Silver Moon rose, Rosa 'Silver Moon' |
| Silver-rod; White goldenrod, Solidago bicolor |
| Silverbell, Carolina, Halesia tetraptera (Halesia carolina) |
| Silverbell, Mountain, Halesia tetraptera var. monticola |
| Silverbell, Two-winged; American snowdrop tree, Halesia diptera |
| Silverlace vine, Polygonum aubertii |
| Silvery glade fern; Silvery spleenwort, Deparia acrostichoides; Athyrium thelpteroides |
| Simba rose, Rosa 'KORbelma' |
| Simplicity rose, Rosa 'LENpasti' |
| Singing in the Rain rose, Rosa 'MACivy' |
| Sioux water lily, Nymphaea 'Sioux' |
| Sirius water lily, Nymphaea 'Sirius' |
| Skimmia, Japanese, Skimmia japonica |
| Skullcap, Downy; Skullcap, Scutellaria incana |
| Skullcap, Hoary, Scutellaria |
| Skullcap, Hyssop; Large skullcap, Scutellaria integrifolia |
| Skullcap, Showy, Scutellaria serrata |
| Slater's Crimson China rose, Rosa chinensis semperflorens |
| Slipperwort, Calceolaria crenatiflora |
| Smartweed, Pennsylvania; Pink knotweed, Polygonum pennsylvanicum |
| Smartweed; Water-pepper, Polygonum hydropiper |
| Smilax, Smilax lanceolata |
| Smilax; Jacksonbrier, Smilax smalli |
| Smoketree, Cotinus coggygria |
| Smooth Talk rose, Rosa 'Smooth Talk' |
| Smooth withered; Possumhaw viburnum, Viburnum nudum |
| Snakebeard, Ophiopogon jaburan vittata |
| Snakebeard; White lilyturf, Ophiopogon jaburan vittata |
| Snakeroot, Ageratina spp. |
| Snakeroot, Black; American bugbane, Cimicifuga americana |
| Snakeroot, Black; Black cohosh, Cimicifuga racemosa |
| Snakeroot, Liatris spicata |
| Snakeroot, White, Eupatorium rugosum |
| Snakeroot; White snakeroot, Ageratina spp. |
| Snapdragon, Antirrhinum majus |
| Snapdragon, Summer, Angelonia angustifolia |
| Sneezeweed, Helenium autumnale |
| Sneezeweed, Purple-headed, Helenium nudiflorum |
| Sneezeweed; Common sneezeweed, Helenium autumnale |
| Snow Carpet rose, Rosa 'MACcarpe' |
| Snow falsecypress, Chamaecyparis pisifera 'Snow' |
| Snow Queen rose, Rosa 'Snow Queen' |
| Snow wreath, Neviusia alabamensis |
| Snow-drops, Galanthus nivalis, G. elwesii |
| Snow-in-summer, Cerastium tomentosum |
| Snow-on-the-mountain, Euphorbia marginata |
| Snow-on-the-mountain, Euphorbia marginata |
| Snowbell, American, Styrax americana |
| Snowbell, Bigleaf, Styrax grandifolius |
| Snowbell, Bigleaf, Styrax grandifolius |
| Snowbell, Japanese, Styrax japonica |
| Snowbell, Japanese, Styrax japonicus |
| Snowbell, Mountain, Ceanothus americanus |
| Snowberry, Common, Symphoricarpos albus |
| Soapweed, Small; Spanish bayonet, Yucca glauca |
| Soapwort, Rock, Saponaria ocymoides |
| Soapwort, Saponaria officinalis |
| Soapwort; Bouncing-bet, Saponaria officinalis |
| Society garlic, Tulbaghia violacea |
| Soft shield fern; Hedge fern, Polystichum setiferum |
| Soldier-in-the-box, Albuca |
| Solitude rose, Rosa 'POULbero' |
| Solomon's seal, Dwarf, Polygonatum humile |
| Solomon's seal, False, Smilacina racemosa |
| Solomon's seal, Polygonatum biflorum |
| Sombreuil Climber rose, Rosa 'Sombreuil' |
| Sonia rose, Rosa 'MELhelvet' |
| Sorrel, Common wood; Sourgrass, Oxalis montana |
| Sorrel, Large yellow wood; Sourgrass; Oxalis, Oxalis grandis |
| Sorrel, Rumex spp. |
| Sorrel, Violet wood, Oxalis violacea |
| Sorrel; Hastate-leaved dock; Sour dock, Rumex hastatulus |
| Sour gum, Nyssa sylvatica |
| Sourwood; Lily-of-the-valley tree, Oxydendrum arboreum |
| Southern beech fern; Broad beech fern, Thelypteris hexagonoptera; Phegopteris hexagonoptera |
| Southern fragile fern; Lowland brittle fern, Cystopteris protrusa |
| Southern Japanese hemlock, Tsuga sieboldii |
| Southern lady fern, Athyrium asplenioides |
| Southern lady fern, Athyrium filix-femina var.asplenoioides |
| Southern maiden fern; Southern shield fern; River fern; Widespread maiden fern, Thelpteris kunthii; Thelypteris normalis |
| Southern maidenhair fern; Venus maidenhair fern, Adiantum capillus vereris |
| Southernwood, Artemisia abrotanum |
| Souvenir de la Malmaison rose, Rosa 'Souvenir de la Malmaison' |
| Sow-thistle, Spiny-leaved, Sonchus asper |
| Spanish bayonet; Yucca, Yucca filamentosa |
| Spanish blue-bells, Scilla campanulata (Endymion, Hyacinthoides) |
| Spanish broom, Spartium junceum |
| Spanish flag, Mina lobata, Ipomoea lobata |
| Sparkleberry, Vaccinium arboreum |
| Sparkleberry, Vaccinium arboreum |
| Spartan rose, Rosa 'Spartan' |
| Sparte rose, Rosa 'Sparte' |
| Spearmint, Mentha spicata |
| Spearwort, Lesser; Miniature spearwort, Ranunclus flammula |
| Speedwell, Birdeye; Bird's-eye, Veronica persica |
| Spek's Centennial rose, Rosa 'MACivy' |
| Spice bush, Lindera benzoin |
| Spice bush, Lindera benzoin |
| Spice Twice rose, Rosa 'JACable' |
| Spicebush, Grayblue, Lindera glauca |
| Spicebush, Japanese, Lindera obtusiloba |
| Spicebush, Japanese, Lindera obtusiloba |
| Spicebush, Oriental, Lindera angustifolia |
| Spider flower, Cleome hasslerana |
| Spider lily, Hymenocallis caroliniana |
| Spider lily, Hymenocallis crassifolia; H. occidentalis |
| Spiderwort, Hairy-stem, Tradescantia spp. |
| Spiderwort, Tradescantia subaspera |
| Spiderwort, Tradescantia x andersonii |
| Spinulose wood fern; Toothed wood fern; Shield fern, Dryopteris carthusiana |
| Spirea, Anthony Waterer, Spiraea x bumalda 'Anthony Waterer' |
| Spirea, Billiard, Spiraea x billiardii |
| Spirea, Blue, Caryopteris x clandonensis |
| Spirea, Bridalwreath, Spiraea plenaflora 'Plena' |
| Spirea, Bridalwreath, Spiraea prunifolia |
| Spirea, Bumalda, Spiraea x bumalda |
| Spirea, Double Reeves, Spiraea cantoniensis |
| Spirea, False, Sorbaria sorbifolia |
| Spirea, Fritschiana; Korean spirea, Spiraea fritschiana |
| Spirea, Grefsheim, Spiraea x cinerea 'Grefsheim' |
| Spirea, Hardbark, Spiraea tomentosa |
| Spirea, Japanese white, Spiraea albiflora |
| Spirea, Japanese, Spiraea japonica |
| Spirea, Korean; Fritschiana spirea, Spiraea fritschiana |
| Spirea, Pink Bridewort, Spiraea salicifolia |
| Spirea, Snowmound, Spiraea nipponica 'Snowmound' |
| Spirea, Threelobe, Spiraea trilobata |
| Spirea, Thunberg, Spiraea thunbergii |
| Spirea, Vanhoutte, Spiraea x vanhouttei |
| Splendida water lily, Nymphaea 'Splendida' |
| Spodiopogon; Siberian graybeard; Frost grass, Spodiopogon sibiricus |
| Spring beauty; Broad-leaved spring beauty, Claytonia caroliniana |
| Spring Starflower, Ipheion uniflorum, Triteleia unflora |
| Spruce, Birdsnest, Picea abies 'Nidiformis' |
| Spruce, Black, Picea mariana |
| Spruce, Blue nest, Picea mariana 'Nana' |
| Spruce, Colorado blue, Picea pungens |
| Spruce, Cranston, Picea abies cranstonii |
| Spruce, Dragon, Picea asperata |
| Spruce, Dwarf Alberta white, Picea glauca 'Conica' |
| Spruce, Dwarf black, Picea mariana 'Nana' |
| Spruce, Dwarf Norway, Picea orientalis 'Nana' |
| Spruce, Dwarf Serbian, Picea omorika 'Nana' |
| Spruce, Dwarf, Picea pungens 'Compacta' |
| Spruce, Fat Albert, Picea pungens 'Fat Albert' |
| Spruce, Likiang, Picea likiangensis var. purpurea |
| Spruce, Maxwell's Norway; Maxwell spruce, Picea abies 'Maxwellii' |
| Spruce, Maxwell, Picea abies 'Maxwelli' |
| Spruce, Mission Blue, Picea pungens 'Mission Blue' |
| Spruce, Morinda, Picea smithiana |
| Spruce, Norway, Abies pinagene |
| Spruce, Norway, Picea abies |
| Spruce, Oriental, Picea orientalis |
| Spruce, Pumila Norway, Picea abies 'Pumila' |
| Spruce, Rainbow's End, Picea glauca 'Rainbows End' |
| Spruce, Red, Picea rubens |
| Spruce, Serbian, Picea omorika |
| Spruce, White, Picea glauca |
| Spur flower, Plectranthus fosteri 'Marginatus' |
| Spurge, Allegheny, Pachysandra procumbens |
| Spurge, Cushion; Cushion euphorbia, Euphorbia polychroma |
| Spurge, Cypress, Euphorbia cyparissias |
| Spurge, Euphorbia spp. |
| Spurge, Flowering; Milkweed, Euphorbia corrllata |
| Spurge, Leafy, Euphorbia esula |
| Squaw root; Cancer corn, Conopholis americana |
| Squirrel corn, Dicentra canadensis |
| St. Brigid de Caen, Anemone coronaria |
| St. John rose, Rosa richardii |
| St. John's Rose, Rosa richardii |
| St. John's wort, Aubrey Purple, Hypericum x 'Aubrey Purple' |
| St. John's wort, Bedstraw, Hypericum galioides |
| St. John's wort, Common, Hypericum perforatum |
| St. John's wort, Hidcote, Hypericum x hidcote |
| St. John's wort, Hypericum prolificum |
| St. John's wort, Kalm's, Hypericum kalmianum |
| St. John's wort, Shrubby, Hypericum prolificum |
| St. John's wort; Aaron's beard, Hypericum calycinum |
| St. Louis Gold water lily, Nymphaea 'St. Louis Gold' |
| St. Louis water lily, Nymphaea 'St. Louis' |
| St. Patrick rose, Rosa 'WEKamanda' |
| Stachyurus, Chinese, Stachyurus chinensis |
| Stachyurus, Stachyurus praecox |
| Stainless Steel rose, Rosa 'WEKblusis' |
| Standing cypress, Ipomopsis rubra |
| Stanwell Perpetual rose, Rosa 'Stanwell Perpetual' |
| Star cluster, Pentas lanceolata |
| Star grass, Dichichium colorata |
| Star of Bethlehem, Ornithogalum |
| Star-grass, Yellow, Hypoxis hirsuta |
| Starbright water lily, Nymphaea 'Starbright' |
| Starflower, Brodiaea = Triteleia |
| Stargrass, White; Colic-root, Aletris farinosa |
| Starina rose, Rosa 'MELgabi'; Rosa 'MELgali' |
| Starlight rose, Rosa 'AROlaqueli' |
| Statice, Limonium spp. |
| Statice, Sea lavender, Limonium sinuatum |
| Stauntonia vine, Stauntonia hexaphylla 'Cartwheel' |
| Steeplebush, Spiraea tomentosa |
| Stephanandra, Cutleaf, Stephandra incisa |
| Stewarta, Japanese, Stewartia pseudocamellia |
| Stewarta, Korean, Stewarta koreana |
| Stewarta, Tall, Stewartia monadelpha |
| Stewarta, Upright, Stewarta rostrata |
| Stewarta, Upright, Stewarta rostrata |
| Stonecrop, Japanese, Hylotelephium sieboldii |
| Stonecrop, Matrona, Sedum 'Matrona' |
| Stonecrop, Sedum middendorf |
| Stonecrop, Sedum spp. |
| Stonecrop, Showy; Ice plant, Sedum spectabile |
| Stonecrop, Three-leaved; Mountain stonecrop, Sedum ternatum |
| Stonecrop, Two-row; Creeping stonecrop, Sedum spurium |
| Stonecrop, Variegated, Sedum lineare 'Variegatum' |
| Stonecrop, White, Sedum album |
| Stonecrop, Wild, Sedum ternatum |
| Stonecrop; Gold-moss, Sedum acre |
| Storax; American snowbell, Styrax americana |
| Strawberry bush, Euonymus americanus |
| Strawberry bush; Hearts a' busting, Euonymus americanus |
| Strawberry geranium, Saxifraga stolonifera |
| Strawberry, Barren, Waldsteinia fragarioides |
| Strawberry, Fragaria ananassa |
| Strawberry, Indian, Duchesnea indica |
| Strawberry, Pink Panda, Fragaria 'Pink Panda' |
| Strawberry, Red Ruby, Fragaria 'Red Ruby' |
| Strawberry, Wild, Fragaria virginiana |
| Strawberry, Yellow; Dry strawberry, Waldsteinia ternata |
| Strawflower, Helichrysum bracteatum |
| Stretch Johnson rose, Rosa 'MACfinwal' |
| Striped corn; Variegated corn, Zea mays cvs |
| Striped Squill, Puschkinia libanotica |
| Styrax, Fragrant, Styrax obassia |
| Sugarberry, Celtis laevigata |
| Sultan water lily, Nymphaea 'Sultan' |
| Sumac, Chinese, Rhus chinensis |
| Sumac, Michaux's, Rhus michauxii |
| Sumac, Poison, Toxicodendron vernix |
| Sumac, Rhus aromatica |
| Sumac, Shining, Rhus copallina |
| Sumac, Shining, Rhus copallina |
| Sumac, Smooth, Rhus glabra |
| Sumac, Smooth, Rhus glabra |
| Sumac, Staghorn, Rhus typhina |
| Sumac, Staghorn, Rhus typhina |
| Sumac, Winged, Rhus copallina |
| Sumac, Winged; Shining sumac, Rhus copallina |
| Summer Dream rose, Rosa 'JACshe' |
| Summer Fashion rose, Rosa 'JACale' |
| Summer forget-me-not, Anchusa capensis |
| Summer savory, Satureja hortensis |
| Summer Snow Climbing rose, Rosa 'Summer Snow' |
| Summer Snow rose, Rosa 'Summer Snow' |
| Summer Snowflake, Leucojum aestivum |
| Summersweet, Clethra alnifolia |
| Sun Flare rose, Rosa 'JACiem' |
| Sun Runner rose, Rosa 'INTerdust' |
| Sun Sprinkles rose, Rosa 'JAChal' |
| Sunbeam rose, Rosa 'KORdoselbla' |
| Sunbird rose, Rosa 'Sunbird' |
| Sunbright rose, Rosa'JACiel' |
| Sundew, Drosera filiformis; D.
rotundifolia; D. intermedia; D. capillaris |
| Sundew, Drosera spp. |
| Sundowner rose, Rosa 'MACche' |
| Sundrops, Oenothera fruticosa |
| Sundrops, Oenothera tetragona |
| Sunflower, Helianthus annuus |
| Sunflower, Helianthus spp. |
| Sunflower, Swamp; Narrow-leaved sunflower, Helianthus angustifolia |
| Sunflower, Woodland, Helianthus divaricatus |
| Sunset Celebration rose, Rosa 'FRYxotic' |
| Sunsprite rose, Rosa 'KORresia' |
| Super Star rose, Rosa 'TANorstar' |
| Sutter's Gold rose, Rosa 'Sutter's Gold' |
| Swamp mallow, Hibiscus moscheutos |
| Swamp-pink, Helonias bullata |
| Swarthmore rose, Rosa 'MELtaras' |
| Sweet alyssum, Lobularia maritima |
| Sweet bay; Swamp magnolia, Magnolia virginiana |
| Sweet Betsy; Sweet shrub; Spicebush, Calycanthus floridus |
| Sweet Briar rose, Rosa eglanteria |
| Sweet fern, Comptonia peregrina |
| Sweet flag, Acorus calamus 'Aureovariegatus' |
| Sweet flag, Dwarf, Acorus gramimineus |
| Sweet flag, Grassy-leaved, Acorus gramimineus |
| Sweet flag, Variegated, Acorus calamus 'Variegatus' |
| Sweet Inspiration rose, Rosa 'JACsim' |
| Sweet Juliet rose, Rosa 'AUSleap' |
| Sweet marjoram, Origanum majorana |
| Sweet pea, Lathyrus odoratus |
| Sweet potato vine, Ipomoea x multifida |
| Sweet rocket, Hesperis matronnalis |
| Sweet rocket; Dame's rocket, Hesperis matronalis |
| Sweet shrub; Sweet Betsy, Carolina allspice, Calycanthus floridus |
| Sweet Sonata rose, Rosa 'MELoffic' |
| Sweet Sunblaze rose, Rosa 'MELtonie' |
| Sweet Surrender rose, Rosa 'Sweet Surrender' |
| Sweet Symphony rose, Rosa 'MELbarke' |
| Sweet vernal grass, Anthoxanthum odoratum |
| Sweet Vivian rose, Rosa 'Sweet Vivien' |
| Sweet William, Dianthus barbatus |
| Sweet woodruff, Galium odoratum |
| Sweetflag, Japanese, Acorus gramineus |
| Sweetflag; Sweetgrass, Acorus calomus |
| Sweetgum, Formosan, Liquidambar formosana |
| Sweetgum, Gumball, Liquidambar styraciflua 'Gumball' |
| Sweetgum, Liquidambar styraciflua |
| Sweetshrub, Chinese, Sinocalycanthus chinensis |
| Sweetspire, Chinese, Itea chinensis |
| Sweetspire, Virginia, Itea virginica |
| Switch grass, Panicum virgatum |
| Sycamore, American, Platanus occidentalis |
| Sycamore, Platanus occidentalis |