Blue Spike Sage
Blue Star Creeper, Isotoma
Blue Thimble Flower, Globe Gilia
Blue Wildrye
Blue Yucca
Blue-Eyed Grass
Borage
Border Forsythia
Border Penstemon
Boston Ivy
Bottle Tree, Kurrajong
Bougainvillea
Bougainvillea, Barbara Karst
Bougainvillea, California Gold
Bougainvillea, La Jolla
Bougainvillea, Lavender Queen
Bougainvillea, Rosenka
Bougainvillea, San Diego Red
Boule Rosemary
Bower or Hardy Actinidia