Black Locust
Robinia pseudoacacia 'Semperflorens'
Fabaceae
Other names
Yellow Locust
Growth habit
Tree
Perennation
Perennial
Location
Source of plant
Forestfarm Nursery
Description
Open tree, to 27m, nearly glabrous; branches prickly; bark deeply furrowed with age; young branches and twigs very thorny, olive green to dark red-brown. Leaflets to 5cm, 9-19, elliptic to ovate-obtuse. Racemes dense, nodding, to 20cm; flowers to 2 cm, white to ivory, fragrant; standard blotched with yellow at base. Fruit to 10cm, red-brown, glabrous, the valves persisitent, seeds 4-10. Blooms profuse and prolonged.
USDA Hardiness Zone
3
Special characteristics
invasive, flowering season