Perennials: Spin - Spoo (83)
Spinach Beet 'Ruby Red'
Spineless Cactus
Spineless Century Plant (spp.)
Spineless Century Plant 'Nova'
Spineless Prickly Pear
Spineless Yucca
Spineless Yucca: recurvifolia
'Spinell' Astilbe
'Spinner' Meadow Cranesbill
'Spinosissimus Group' Spiny Bear's Breeches
Spiny Aloe
Spiny Bear's Breeches (spp.)
Spiny Bear's Breeches 'Spinosissimus Group'
Spiny Headed Mat Rush
Spiraea, Florist's 'Bremen'
Spiraea, Florist's 'Deutschland'
Spiraea, Florist's 'Elizabeth van Veen'
Spiraea, Florist's 'Mainz'
Spiraea, Florist's 'Montgomery'
Spiraea, Florist's 'Peach Blossom'
Spiraea, Florist's 'Red Sentinel'
Spiraea, Florist's 'Washington'
Spiral Aloe
Spiral Bellflower
Spiral Ginger (spp.)
Spiral Ginger 'Nova'
Spiral Ginger Variegated
Spiral Ginger: barbatus
Spiral Ginger: curvibracteatus
Spirea, False (spp.)
Spirea, False 'America'
Spirea, False 'Amethyst'
Spirea, False 'Bressingham Beauty'
Spirea, False 'Bridal Veil (Brautschleir)'
Spirea, False 'Bridesmaid'
Spirea, False 'Bumalda'
Spirea, False 'Catherine Deneuve'
Spirea, False 'Cattleya'
Spirea, False 'Cotton Candy'
Spirea, False 'Darwin's Dream'
Spirea, False 'Deutschland'
Spirea, False 'Elise Schluck'
Spirea, False 'Elizabeth Bloom'
Spirea, False 'Erika'
Spirea, False 'Fanal'
Spirea, False 'Federsee'
Spirea, False 'Flamingo'
Spirea, False 'Gertrud Brix'
Spirea, False 'Gladstone'
Spirea, False 'Gloria'
Spirea, False 'Granat'
Spirea, False 'Grande'
Spirea, False 'Grete Pungel'
Spirea, False 'Hyacinth'
Spirea, False 'Red Light (Rotlicht)'
Spirea, False 'Showstar'
Spirea, False 'Spinell'
Spirea, False 'Venus'
Spirea, False 'White Gloria (Weisse Gloria)'
Spirea, Pumila (spp.)
Spirea, Pumila 'Finale'
Spirea, Pumila 'Pumila'
Spirea, Pumila 'Spatsommer'
'Spirit Lake' Florist's Chrysanthemum
'Spitfire' Montbretia
'Spitzentanzerin' Toe Dancer
'Splash' Painted Tongue
Spleenwort Fern
Spleenwort (spp.)
Spleenwort 'Cristatum'
Spleenwort, Ebony
Spleenwort, Mother
Spleenwort: nidus
'Splendens' Chinese Anemone
'Splendens' Coral Bells: sanguinea
'Splendens' Grayleaf Cranesbill
'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