'Bennett' Canadian Hemlock 'Bennett Dragon's Eye' Eastern White Pine
Bent Grass 'Pennlinks' 'Benton' Possum Haw Holly
Bergamot (spp.) Bergamot 'Jacob Cline'
Bergamot 'Marshal's Delight' Bergamot 'Panorama'
Bergamot, Wild 'Colrain Red' Bergamot, Wild 'Donnerwolke'
Bergamot, Wild 'Petite Wonder' Bergamot, Wild 'Raspberry Wine'
Bergamot: fistulosa, Wild Bergbamboes
Bergenia 'Apple Blossom' Bergenia 'Rosi Klose'
Bergenia, Heartleaf (spp.) Bergenia, Heartleaf 'Bressingham White'
Bergenia, Heartleaf 'Perfect' Bergenia, Heartleaf 'Rotblum'
Bergenia, Heartleaf 'Winterglut (Winter Glow)' Bergenia: crassifolia pacifica
Bergenia: purpurascens Bergenia: stracheyi
'Bergman' Japanese White Pine Bergmann's Elm
Berlandier Acacia Berlandier's Sundrops
Bermuda Grass 'Austrailia' Bermuda Grass 'Santa Ana'
Bermuda Palmetto 'Bernice' Bellflower
'Berry Heavy® Gold' Winterberry: verticillata 'Berry Poppins™' Winterberry: verticillata
'Bert' Air Pine 'Bert' Bromeliad
'Bert Johnson' Sur Manzanita 'Bert' Living Vase
'Bertie Ferris' Daylily 'Bertram Anderson' Long Leafed Lungwort
'Bertrand Farr' Daylily Beschorneria
Bestill Tree 'Bethany' Florist's Chrysanthemum
Bethlehem Sage (spp.) Bethlehem Sage 'Lewis Palmer'
Bethlehem Sage: hybrid 'Cotton Cool' Bethlehem Sage: hybrid 'Dark Vader'
Bethlehem Sage: hybrid 'Emerald Isles' Bethlehem Sage: hybrid 'High Contrast'
Bethlehem Sage: hybrid 'Majesty' Bethlehem Sage: hybrid 'May Bouquet'
Bethlehem Sage: hybrid 'Opal' Bethlehem Sage: hybrid 'Raspberry Ice'
Bethlehem Sage: hybrid 'Raspberry Splash' Bethlehem Sage: hybrid 'Silver Streamers'
Bethlehem Sage: hybrid 'Trevi Fountain' Bethlehem Sage: hybrid 'Victorian Brooch'
Betony, Common 'Hummelo' Betony, Marsh
Betony, Purple (spp.) Betony, Purple 'Grandiflora'
Betony, Wood (spp.) Betony, Wood 'Grandiflora'
'Betsy Ross' Lilac 'Better Believe It' Daylily
'Betty Boop' Rose 'Betty' Magnolia
'Betty Sheffield' Japanese Camellia 'Betty Woods' Daylily
'Betulia Red' Winter Flowering Begonia 'Beverly' Flowering Crabapple
'Beverly Sills' Tall Bearded German Iris Bhutan Cypress
'Bicolor' Austrian Briar Rose 'Bi-color' Garden Monk's Hood
Bicolor Monkshood (spp.) Bicolor Sage
Biconvex Paperbark Bidi-Bidi (spp.)