Perennials: Butt - Cacc (86)
'Butter and Sugar' Siberian Iris
Buttercup Flower (spp.)
Buttercup Flower 'Eldorado'
'Buttercup' Rock Rose
Buttercup, Creeping (spp.)
Buttercup, Creeping 'Buttered Popcorn'
Buttercup, Creeping 'Pleniflorus'
Buttercup, Creeping 'Susan's Song'
Buttercup, Fig 'Brazen Hussy'
Buttercup, Persian (spp.)
Buttercup, Persian 'Bloomingdales Pink Shades'
Buttercup, Prairie Double-flowered (spp.)
Buttercup, Prairie Double-flowered 'Buttered Popcorn'
Buttercup, Prairie Double-flowered 'Pleniflorus'
Buttercup, Prairie Double-flowered 'Susan's Song'
Buttercup, Turban (spp.)
Buttercup, Turban 'Bloomingdales Pink Shades'
Buttercup, Water (spp.)
Buttercup, Water 'Buttered Popcorn'
Buttercup, Water 'Pleniflorus'
Buttercup, Water 'Susan's Song'
Buttercup: aquatilis, Water
'Buttered Popcorn' Creeping Buttercup
Butterfly Agave
Butterfly Amaryllis
'Butterfly Blue' Pincushion Flower: columbaria
'Butterfly Cherry Red' Star Cluster
Butterfly Flower
Butterfly Ginger
Butterfly Ginger: coronarium
Butterfly Iris
Butterfly Lily
Butterfly Milkweed (spp.)
Butterfly Milkweed 'Gay Butterflies'
Butterfly Milkweed 'Hello Yellow'
Butterfly Orchid (spp.)
Butterfly Orchid 'Blandans Kaleidoscope'
Butterfly Orchid 'Mendenhall'
Butterfly Orchid 'Paula Lawrence'
Butterfly Orchid 'York'
Butterfly Pea
Butterfly Vervain
Butterfly Weed (spp.)
Butterfly Weed 'Red Butterfly'
Butterfly Weed 'Silky Deep Red'
Butterfly Weed 'Silky Gold'
Butterfly Weed 'Yellow'
Butterfly Weed, Swamp (spp.)
Butterfly Weed, Swamp 'Ice Ballet'
Butterfly Weed: linaria
Butterfly Weed: tuberosa (spp.)
Butterfly Weed: tuberosa 'Gay Butterflies'
Butterfly Weed: tuberosa 'Hello Yellow'
'Butterpat' Sneezeweed
Button Eryngo
Button Snake Root
Button Snakeroot (spp.)
Button Snakeroot 'Floristan Violet'
Button Snakeroot 'Floristan White'
Button Snakeroot 'Kobold'
Button Snakeroot White
Buttonflower, Brazilian
'Buxton's Blue' Cranesbill
'Buxton's Blue' Geranium
Byzantine Colchicum
Byzantine Gladiolus
'Caballero' Daylily
'Cabaret' Maiden Grass
Cabbage Fern
Cabbage Leaf Coneflower
Cabbage Mustard 'Red Giant'
Cabbage Mustard 'Red Mustard'
Cabbage Tree (spp.)
Cabbage Tree 'Red Sensation'
Cabbage Tree 'Red Star'
Cabbage Tree, Forest (spp.)
Cabbage Tree, Forest 'Electric Pink'
Cabbage, Clumpfoot
Cabbage, Nile
Cabbage, Skunk
Cabbage, Swamp
Cabbage, Water
Cabbage, Western Skunk
Cabbage: foetidus, Skunk
'Caboose' Dahlia
Caccinia