Satin Flower (spp.) Satin Flower 'Dwarf Mix Improved'
Satin Flower: striatum 'Sativa' Tarragon
Saucer Plant Savory Calamint
Savory, Winter Savoy Cabbage (spp.)
Savoy Cabbage 'Busaro' Savoy Cabbage 'Kohlrabi'
Saw Leaved Speedwell (spp.) Saw Leaved Speedwell: austriaca 'Trehane'
Sawsepal Penstemon Saxifraga 'Apple Blossom'
Saxifraga 'Rosi Klose' Saxifrage (spp.)
Saxifrage 'Velvet' Saxifrage 'London Pride'
Saxifrage, Aizoon Saxifrage, Arend's 'Triumph'
Saxifrage, Lifelong Saxifrage, Mossy 'Triumph'
Saxifrage: davurica Saxifrage: salmonicahybrid
Saxifrage: Saxifraga 'Apple Blossom' Saxifrage: trifurcata
Scabious Patrinia Scabious 'Fama'
Scabious 'Perfecta Alba' Scabious, Sweet (spp.)
Scabwort Scaevola, Creeping (spp.)
Scalloped Tube Tongue (spp.) Scarlet Begonia (spp.)
Scarlet Begonia: Begonia Scarlet Bouvardia
Scarlet Bugler (spp.) Scarlet Bugler 'Rondo'
Scarlet Clematis 'Duchess of Albany' 'Scarlet Flame' Moss Phlox
Scarlet Ginger Lily (spp.) Scarlet Ginger Lily 'Aurantiacum'
Scarlet Monkey Flower Scarlet Paintbrush
Scarlet Rose Mallow Scarlet Runner Bean
Scarlet Sage (spp.) Scarlet Sage 'Lady in Red'
Scarlet Sage: splendens (spp.) Scarlet Sage: splendens 'Caramba'
Scarlet Sage: splendens 'Cleopatra' Scarlet Sage: splendens 'Empire Red'
Scarlet Sage: splendens 'Firecracker Wow' Scarlet Sage: splendens 'Magic Burgundy'
Scarlet Sage: splendens 'Purple Blaze' Scarlet Sage: splendens 'Salsa Salmon'
Scarlet Sage: splendens 'Sangria' Scarlet Sage: splendens 'Sizzler Burgundy'
Scarlet Sage: splendens 'Sizzler Lavender' Scarlet Sage: splendens 'Sizzler Lilac Bicolor'
Scarlet Sage: splendens 'Sizzler Mix' Scarlet Sage: splendens 'Sizzler Salmon'
Scarlet Sage: splendens 'Van Houttei' Scarlet Sage: splendens 'Vista Red'
Scented Solomon's Seal (spp.) Scented Solomon's Seal Variegated
'Schnittlauch' Chives 'Schottland(Scotland)' Hair Grass
Schubert Onion 'Schweffellight' Licorice Plant
Scilla, Giant Scoparia 'Ilumina™ Lemon Mist'
Scorpion Grass Scorpion Tail
Scorpion's Tail Scotch Heath 'Springwood White'
Scotch Kale (spp.) Scotch Kale 'Nagoya Purple'
Scotch Kale 'Nagoya Red' Scotch Kale 'Nagoya White'
Scotch Kale 'Red Peacock' Scotch Kale 'Redbor'
Scotch Kale 'White Peacock' Scotch Marigold (spp.)
Scotch Marigold 'Alpha' Scotch Marigold 'Ball's Gold'
Scotch Marigold 'Bon Bon Apricot' Scotch Marigold 'Bon Bon Orange'
Scotch Marigold 'Bon Bon Yellow' Scotch Marigold 'Coffee Cream'
Scotch Marigold 'Fiesta Gitana' Scotch Marigold 'Greenheart Orange'
Scotch Marigold 'Indian Prince' Scotch Marigold 'Kablouna'
Scotch Marigold 'Pacific Beauty' Scotch Marigold 'Pink Surprise'
Scotch Marigold 'Porcupine' Scotch Marigold 'Princess Black Centered Orange'
Scotch Marigold 'Resina' Scouring Rush