Black Locust Tree

Black Locust Tree

Black Locust Tree Facts

Specific Name:   Robinia pseudoacacia
Hardiness Zones:   4 to 8
Growth_Rate:   Rapid
Site Requirements:   Sun; tolerates a range of soil types; drought and poor soil tolerant
Texture:   Fine to medium
Form:   Upright; straight trunk; becomes ragged with age
Height:   30 to 50'
Weight:   --
Leaf:   6 to 14" alternate, pinnately compound; nonshowy yellow brown fall color
Flower/Fruit:   Pendulous white wisteria like flowers in spring; very fragrant; flat brown black pods
Comments:    Young growth has thorns; small branches fall easily during storms; some leaves yellow and fall during drought; forms a dense thicket; good plant for difficult sites; transplants well; tends to reseed; develops shoots from roots; a legume - fixes its own nitrogen; salt tolerant
Habit:   Deciduous
Cultivars:   Frisia, Tortuosa