Black Locust
Blackbrush Acacia
Blackfoot Daisy
Blanket Flower
Blue Aster
Blue Euphorbia
Blue Flax, Prairie Flower
Blue Grama Grass
Blue Haven Juniper
Blue Lily of the Nile
Blue Nolina
Blue Oat Grass
Blue or Mexican Elderberry
Blue Palo Verde
Blue Pfitzer Juniper
Blue Ranger
Blue Sage
Blue Staccato Bearded Iris