Robinia psudoacacia

Southwest corner of Shields Library

The black locust is a medium-sized tree with showy pea-shaped flowers in the spring.


Botanical Name: Robinia psudoacacia
Common Name: black locust
Location: Southwest corner of Shields Library
Family: Fabaceae
Sunset Zones: 1-24, H1
Native Range: Central and southeastern U.S.A.
Habitat: Prefers full sun, moist soil, protection from wind.
General Habit: Deciduous, fast-growing to 75 ft. Open and sparse branching habit, narrow form.
Notes: Long brown pods hang from tree branches. Flower clusters are white, fragrant, showy, and appear in spring. This tree may be considered invasive in some areas of the U.S.A.