-B-
| Plant | Origin | Zone | Height | Type | D/M/W |
| Bactris brongniarti - Bango Palm | Most Amazon Region | 10b-11 | 6M | Clumping Palms | |
| Bactris gasipaes - Peach Palm | South & Central America | 10B-11 | 15M | Clumping Palms | Moist |
| Bactris glandulosa | Costa Rica - Panama - Colombia | 10b-11 | 7M | Shade | Moist |
| Bactris grayumii | Eastern Honduras - Cost Rica | 10b-11 | 5M | Shade | Wet |
| Bactris macroacantha | |||||
| Bactris major - Prickly Palm | South America - Central Brazil | 10b-11 | 13M | Clumping Palms | Moist |
| Bactris militaris | West Cost Rica, Osa Peninsula | 10b-11 | 5M | Clumping Palms | Wet |
| Bactris plumeriana | Cuba, Jamaica, Hispaniola | 10b-11 | 10M | Clumping Palms | |
| Bactris setosa | |||||
| Bactris spp | Central - South America | 10b | |||
| Bambusa emeinsis viridiflavus - Ying Yang Bamboo | |||||
| Bambusa lako - Timor Black | |||||
| Bambusa oldhamii | |||||
| Bambusa spp - Bamboo | 10 | ||||
| Bambusa textilis gracilis | South China | 10 | 17M | ||
| Bambusa ventricosa - Buddha Belly Bamboo | |||||
| Bambusa vulgaris vittata - Hawaiian Stripe Bamboo | |||||
| Bambusa vulgaris 'Wamin' | |||||
| Barringtaonia asiatica | |||||
| Barringtaonia edulis (cream or red flower) | New Guinea to Polynesia | 10-12 | 12M | Tree | Moist |
| Barringtaonia racemosa (pink or white flower) | South Pacific, India, Africa | 10-12 | 20M | Tree | Wet |
| Bauhinia blakeana - Hong Kong Orchid (flower deep lavender) | Hybird - China | 10-12 | 12M | Tree | Moist |
| Bauhinia monandra - Butterfly Flower (pale pink) | Burma | 10 | 10M | Tree | Moist |
| Bauhinia purpurea - Purple Orchid Tree (dark reddish purple) | India, Malaya | 10-12 | 12M | Tree | Moist |
| Bauhinia rufescens (flower white) | Tropical Africa | 9-12 | 10M | Tree | Moist |
| Bauhinia sp. - Orchid Tree | |||||
| Bauhinia tomentosa - Yellow Bauhinia | Old World Tropics | 10-12 | 9M | Tree | Moist |
| Bauhinia variegata 'Candida' - White Orchid | China, India | 10-12 | 12M | Tree | Moist |
| Beccariophoneix madagascariensis | Madagascar | 10b-11 | 15M | Shade | Moist |
| Bentinckia nicobarica | Nicobar Islands | 10b-11 | 16M | Shade | Wet |
| Berrya cordifolia | Tropical Asia | 10-11 | 20M | ||
| Bischofia javanica - Bischofia | Tropical Asia | 10-12 | 25M | Tree | Moist |
| Bismarkia nobilis - Bismark Green | Madagascar | 9b-11 | 30m | Shade | Moist |
| Bismarkia nobilis - Bismark Silver | Madagascar | 9b-11 | 30m | Shade | Moist |
| Bixa orellana - Lipstick Tree (flower pale pink-fruit redish) | Mexico to South America | 10-12 | 7M | Tree | Moist |
| Blechnum sp. - Swamp Fern | |||||
| Bligha sapida - Akee (poisonous fruit) | Tropical West Africa | 10-12 | 20M | Tree | Moist |
| Bolusanthus speciosus - Rhodesian Wisteria (flowers blue-violet) | Mozambique, East Africa | 9-12 | 21M | Shade | Moist |
| Bombax buonopozense - Bombax (flower oragne-pink-red) | West & Central Africa | 10-12 | 40M | Shade | Moist |
| Bombax ceiba - Red Flower / Silk Cotton Tree | India - Indonesia - Australia | 10-12 | 25M | ||
| Bombax glabra (flower white) | |||||
| Bombax malabaricum | |||||
| Borassodendron machadonis | Thailand - Malaysia | 10b-11b | 17M | Shade | Moist |
| Borassus aethiopum - African Palmyra Palm | Tropical Africa | 10-11M | 30M | Shade | Moist |
| Borassus flabellifer - Palmyra Palm | Africa - SE Asia - Australia | 10B-11 | 25M | Shade | Moist |
| Bougainvillea 'Pink Pixie' | Brazil | ||||
| Brachychiton acerifolium - Flame Bottle Tree (rosey scarlet) | North Australia | 9-11 | 40M | Shade | Moist |
| Brachychiton discolor - Bottle Tree (rose-pink) | North Australia | 10-12 | 30M | Shade | Moist |
| Brahea aculeata - Hesper Palm | NW Mexico | 9-11 | 10M | Shade | Dry |
| Brahea edulis - Guadalupe Palm | Guadalupe | 9-11 | 10-12M | Dry | |
| Brosimum alicastrum - Maya Breadnut | Tropical America | 10-12 | 30M | Tree | Moist |
| Brownea cocciena 'Capitella' - Lantern Brownea | Venezuela | 10-12 | 15M | Tree | Moist |
| Brownea grandiceps - Rosa of Venezuela | Venezuela | 10-12 | 15M | Tree | Moist |
| Brownea hybrida | Tree | ||||
| Brownea latifolia | Tree | Moist | |||
| Brownea macrophylla - Panama Flame {Red} | Columbia | 10-12 | 15M | Moist | |
| Brownea rosa-del-monte 'Ariza' - Flower Derosa | Columbia | 10-12 | 20M | Moist | |
| Brownea Sp. | South America | 10-12 | 15M | Moist | |
| Brya ebenus - West Indies Ebony /Jamaican Ebony (yellow flowers) | Jamaica, Cuba | 10-12 | 8M | Dry | |
| Bucida buceras - Black Olive | Tropical America | 10-12 | 25M | Moist | |
| Bucida buceras 'Shady Lady' - Shady Lady | Hybird of Bucida Buceras | 10 | 10M | Moist | |
| Bucida spinosa - Spiny Black Olive |