Gleditsia triacanthos var. inermis - Thornless Honeylocust - Field Production
Gleditsia triacanthos var. inermis - Thornless Honeylocust - Photo courtesy of Bailey Nurseries Inc.

Thornless Honeylocust

Gleditsia triacanthos var. inermis

  • Rounded to narrow-upright oval, usually developing a flat-topped crown
  • Loosely-spaced nearly horizontal branching
  • Compound leaves with oval to elliptical leaflets
  • Late spring foliage emerges bright green, aging mid-green, becoming yellow in the fall

ZONE:
4

HEIGHT:
17-18 m

SPREAD:
12-13 m

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Growing and Maintenance Tips:


With their open growing habit and small leaves, locusts provide a pleasing, filtered light. Inermis is a fast-growing thornless cultivar. Locusts are popular street trees, as their leaflets are so small as to be almost non-existent.

Additional Notes about Thornless Honeylocust:


Native to Ontario and the U.S.A.

Larval host for the Silver-Spotted Skipper butterfly. The flowers provide nectar and pollen for bees and other beneficial insects while the fruit (pods containing sugary pulp) feed large and small mammals and large and small birds.