Blunt Leaf Peperomia (spp.) Blunt Leaf Peperomia Variegated
Blunt Lobed Woodsia Fern Blunt Panic Grass (spp.)
Blunt Panic Grass 'Dallas Blues' Blunt Panic Grass 'Haense Hermes'
Blunt Panic Grass 'Heavy Metal' Blunt Panic Grass 'Rotstrahlbusch'
'Blushing Beauty' Ornamental Chili Pepper 'Blushing Brides' English Larkspur
Blushing Bromeliad Blushing Bromeliad: fulgens
Boat Lily (spp.) Boat Lily 'Nana Tricolor'
'Bobo Blue' Forget-me-not Bocconia
Bog Lily Bog Sage
Bog Salvia Bog Wintergreen
Bokhara Tulip Bolax
'Bolivian Sunset' Gloxinia Boltonia, Aster-Like 'Pink Beauty'
Boltonia, Aster-Like 'Snowbank' Boltonia, Aster-Like 'Snowflake'
'Bonanza' Daylily 'Bonanza' Hybrid Tulip
Boneset, American Boneset, White
'Bonnie Barbara Allen' Daylily 'Bonnie' Florist's Chrysanthemum
'Bonny Blue' Bushy Aster Boothill Eupatorium
Borage, Country (spp.) Border Carnation (spp.)
Border Grass (spp.) Border Grass 'Big Blue'
Border Grass 'Ever Green Giant' Border Grass 'Gold Band'
Border Grass 'John Burch' Border Grass 'Monroe White'
Border Grass 'Riegel's Big Blue' Border Grass 'Royal Purple'
Border Grass Variegated 'Border Jewel' Knotweed
Border Pink (spp.) Border Pink 'Hoffman's Red'
'Border Princess' Dahlia 'Borisii' Avens
'Borneo Sunset' Pagoda Flower Boston Fern (spp.)
Boston Fern 'Bostoniensis' Boston Fern 'Crispa'
Boston Fern 'Dallas' Boston Fern 'Fluffy Ruffles'
Boston Fern Golden Boston Fern 'Kimberly Queen'
Boston Fern 'Portor's Rossevelt' 'Bostoniensis' Boston Fern
Botrivier Protea (spp.) Botrivier Protea 'Red Baron'
Bottle Gentian Bottle Palm
Bottle Tree Bottlebrush, Japanese (spp.)
Bottlebrush, Japanese 'Lemon Splash' 'Bou de Feu' Mallow
'Boughton Beauty' Hellebore: sterniihybrid 'Boulder Blue' Blue Fescue
Bouncing Bet (spp.) Bouvardia, Scarlet
Bower Plant Variegated Bower Vine Variegated
'Bowle's Variety' Common Periwinkle Bowman's Root (spp.)
Bowman's Root White Bowman's Root: trifoliata
Bowman's Root: virginicum sibericum Bracken
Bracken Fern Brake Fern (spp.)
Brake Fern 'Evergemiensis' Brake Fern 'Victoriae'
Brake Fern: aquilinum Brake Fern: falcata
Bramble Bramble, Arctic
Bramble, Crimson Brambles: rotundifolia
'Brandywine' Garden Canna 'Brandywine' Heartleaf Foamflower
Brass Buttons Brassavola