Spleenwort Fern Spleenwort, Ebony
Spleenwort, Mother Spleenwort: nidus
'Splendens' Coral Bells: sanguinea 'Splendens' Horned Violet
'Splendens' Sea Thrift 'Splendens' Two Row Stonecrop
'Splendor Mix' Swan River Daisy: Brachycome Split Leaf Philodendron
Split Leaf Water Clover Spoon Flower
'Spotlight' Black-eyed Susan Spotted Bee Balm
Spotted Bellflower (spp.) Spotted Bellflower 'Cherry Bells'
Spotted Bellflower 'Elisabeth' Spotted Bellflower 'Wedding Bells'
Spotted Dead Nettle (spp.) Spotted Dead Nettle 'Beedham's White'
Spotted Dead Nettle 'Chequers' Spotted Dead Nettle Golden
Spotted Dead Nettle 'Pink Pewter' Spotted Dead Nettle 'Purple Dragon'
Spotted Dead Nettle 'Shell Pink' Spotted Dead Nettle 'White Nancy'
Spotted Dog 'Bertram Anderson' Spotted Dog 'Cevennensis'
Spotted Dog 'Diana Clare' Spotted Dog 'Excalibur'
Spotted Dumbcane 'Camilla' Spotted Dumbcane 'Rudolph Roehrs'
Spotted Dumbcane 'Tropic Snow' Spotted Wintergreen
'Spotty' Cheddar Pink Spreading Sedge 'Bunny Blue™'
Spreading Sedum Spreading Stonecrop
'Sprengeri' Asparagus Fern Spring Beauty: virginica
'Spring Carnival' Japanese Tree Peony 'Spring Charm' Fringed Rockcress
Spring Cinquefoil Spring Crocus
'Spring Fling Rose Improved' Trailing Petunia Spring Heath 'Springwood White'
Spring Meadow Saffron 'Spring Star' Carnation: Dianthus
Spring Starflower (spp.) Spring Starflower 'Rolf Fiedler'
Spring Starflower 'Wisley Blue' 'Spring Symphony' Foamflower: Tiarella
'Spring Wedding' Longspur Epimedium 'Springtime' Red Hot Poker
'Springwood White' Scotch Heath 'Sprite' Dwarf Astilbe
'Spritzer' Hosta Spur Flower 'Lois Woodhull'
Spur Flower 'Nicodemus' Spur Flower 'Nicolleta'
Spur Flower 'Old Gold' Spur Flower 'Zulu Wonder'
Spured Snapdragon 'Canon J. Went' Spurge Alleghany
Spurge 'Breonii' Spurge 'Chameleon'
Spurge, Albanian (spp.) Spurge, Albanian 'Portuguese Velvet'
Spurge, Almond 'Purpurea' Spurge, Canary Island
Spurge, Candelabra Spurge, Caucasian
Spurge, Cushion Spurge, Cypress
Spurge, Fireglow 'Fireglow' Spurge, Flowering
Spurge, Griffith's 'Fireglow' Spurge, Mediterranean (spp.)
Spurge, Mediterranean 'Portuguese Velvet' Spurge, Milk Barrel
Spurge, Mottled Spurge, Robb's
Spurge, Silver Spurge, Wallich
Spurge, Wild Spurge, Wood 'Purpurea'
Spurge: amygdaloides robbiae, Wood Spurge: balsamifera
Spurge: characias wulfenii, Mediterranean Spurge: coerulescens
Spurge: Euphorbia 'Blackbird' Spurge: Euphorbia 'Diamond Frost®'
Spurge: Euphorbia 'Excaliber' Spurge: Euphorbia 'Golden Tower'
Spurge: horrida Spurge: lambii
Spurge: martiniihybrid Spurge: muirii
Spurge: myrsinites Spurge: palustris
Spurge: schillingii