Description
Thornless honeylocust is a nitrogen fixer for poor soils. The thornless honeylocust tree was widely planted in the 1960’s as a poor replacement for the American elm. The thornless honey locust is a fine tree on its own but is just different than the elm. Great for tight areas where a larger tree would be out of place. Also the smaller leaves on the thornless honey locust really don’t have to be raked up.
A good source for info is North Carolina Extension Gardener.. Not to be confused with the Black Locust.
Scientific Name: Gleditsia triacanthos inermis
Zone: 3-9 Find Your Growing Zone
Mature Height: 30-70 ft
Mature Width: 30-70 ft
Fruit: Several seeds are encased in a red-brown legume that is 1″ wide and 3″ long.
Flowers: Spiked yellow-green flowers that are small.
Bloom Time: April
Growth Rate: 24-36”
Soil: Well-drained, moist
Drought Tolerance: Good
Flood Tolerance: Good
Sun Requirements: Sun or part-shade
Fall Color: Yellow
Wildlife Value: The flowers attract pollinators, seed pods are eaten by wildlife and the branches offer shelter.


