 |
|
Locust, Black
Robinia pseudoacacia |
|
| 
Black locust is native to eastern and central North America, but
is most widely planted in the western United States. Because locusts
have their own source of nitrogen from cyanobacteria in their root
nodules, they thrive even in the poorest soils. |
Height: 50’
Crown Spread: 20’
Growth Rate: fast
Flowers: 6- to 8-inch-long clusters of fragrant white
flowers
Foliage: dark blue-green, compound leaves
Fruit: 4-inch-long, bean-like pods
Soil: avoid compaction and poor drainage
Water: low to medium
Sun: partial to full
Problems: thorns, locust borers, suckers, sensitive
to night lighting from street lights
Comments: Good for windy locations, drought tolerant.
Variety “umbraculifera” is a smaller and thornless tree.
Street Tree: suitable |
