'Sungold' Leopard Plant 'Sunlite' Mexican Tulip Poppy
'Sunlovers Skyfire' Pot Marigold 'Sunman' Ice Plant: aurantiacus
'Sunny Border Blue' Long-Leaf Speedwell 'Sunny Red' Sulphur Cosmos
'Sunny Seduction' Yarrow 'Sunny Skies' English Larkspur
'Sunny™ Lemon Star' Black-eyed Susan Vine 'Sunny™ Orange Star' Black-eyed Susan Vine
'Sunny™ Orange Wonder' Black-eyed Susan Vine Sunrose, Baby (spp.)
Sunrose, Baby 'Red Apple' 'Sunseeker Pink' Moss Rose
Sunset Aloe 'Sunset' Common Sunflower
'Sunset Gold' African Daisy 'Sunset' Hybrid Clematis
Sunset Hyssop 'Sunset' Ivy Geranium
'Sunshine' Creeping Speedwell 'SunSparkler® Firecracker' Sedum: Hylotelephium
'Sunspot' Beach Sunflower 'Sunspot' Common Sunflower
'Super Auslese' Urn Plant 'Super Elfin Orange' Double Impatiens
'Super Elfin Swirl' Double Impatiens 'Super Nova' Hosta
'Super Olympia® Light Pink' Begonia 'Superba' Clustered Bellflower
'Superba' Jacobean Lily 'Superbells® Cherry Red' Trailing Petunia
'Superbells® Pink' Trailing Petunia 'Superbells® Red' Trailing Petunia
'Superbells® Tequila Sunrise' Trailing Petunia 'Superbells® White' Trailing Petunia
'Superbena Dark Blue' Pedula Verbena 'Supertunia® Blushing Princess' Garden Petunia
'Supertunia® Bright Pink' Garden Petunia 'Supertunia® Double Pink' Garden Petunia
'Supertunia® Double Pink Veined' Garden Petunia 'Supertunia® Double Purple' Garden Petunia
'Supertunia® Lavender Morn' Garden Petunia 'Supertunia® Mini Pastel Pink' Garden Petunia
'Supertunia® Silver' Garden Petunia 'Supertunia® Bordeaux' Garden Petunia
'Supertunia® Double Dark Blue' Garden Petunia 'Supertunia® Giant Pink' Garden Petunia
'Supertunia® Mini Blue Veined' Garden Petunia 'Supertunia® Mini Purple' Garden Petunia
'Supertunia® Mini Rose Veined' Garden Petunia 'Supertunia® Mini Strawberry Pink Veined' Garden Petunia
'Supertunia® Priscilla®' Garden Petunia 'Supertunia® Royal Magenta' Garden Petunia
'Supertunia® Royal Velvet' Garden Petunia 'Supertunia® Vista Bubblegum' Garden Petunia
'Supra Purple' Carnation: Dianthus 'Supreme' Peace Lily
'Surfer' New Zealand Flax 'Surfinia® Lavender Lace' Garden Petunia
'Surfinia® Rose Vein' Garden Petunia 'Surfinia® Victorian Cream' Garden Petunia
'Surfinia® Wild Plum' Garden Petunia Surprise Lily
'Susanna Mitchell' Golden Marguerite 'Susara' Protea
'Suzie Wong' Daylily Swallow Wort
Swallow-wort (spp.) Swallow-wort 'Red Butterfly'
Swallow-wort 'Silky Gold' Swamp Butterfly Weed (spp.)
Swamp Butterfly Weed 'Ice Ballet' Swamp Cabbage
Swamp Cabbage Swamp Fern
Swamp Foxtail Grass (spp.) Swamp Foxtail Grass 'Hamelin'
Swamp Foxtail Grass 'Little Bunny' Swamp Foxtail Grass 'Little Honey'
Swamp Foxtail Grass 'Moudry' Swamp Foxtail Grass 'Orientale'
Swamp Foxtail Grass 'Purpurascens' Swamp Foxtail Grass 'Weserbergland'
Swamp Lily Swamp Lily: americanum
Swamp Lily: spp. Swamp Mallow
Swamp Milkweed (spp.) Swamp Milkweed 'Ice Ballet'
Swamp Onion Swamp Pink
Swamp Root Swamp Rosemallow (spp.)
Swamp Rosemallow 'Disco' Swamp Rosemallow 'Luna Red'
Swamp Rosemallow 'Southern Belle' Swamp Sunflower (spp.)
Swamp Sunflower 'Gold Lace' Swamp Sunflower: giganteus 'Shiela's Sunshine'