Helping You Become a More Successful Gardener
Mark A. Miller
GLEDITSIA triacanthos f. inermis
Distinguished by its fine-textured summer leaves and its informal spreading habit, honeylocust is a ubiquitous medium to large deciduous tree native to the central and eastern United States and extreme southern Ontario. Most garden honeylocusts are sterile, non-fruiting selections of the thornless variety Gleditisia triacanthos f. inemris.
The bright green, pinnately compound leaves of this cold-hardy tree cast filtered shade. They flush relatively late in spring and turn dull yellow in autumn. Fallen leaves create relatively little mess. The trunk has gray-brown, shallowly fissured bark, and lacks the formidable spines typical of most honeylocusts. Inconspicuous greenish spring flowers appear in clusters in spring. Fertile forms of this tree bear large flat red-brown seedpods which litter the ground when shed in autumn and winter.
Honeylocust likes sun and is adapted to a wide variety of soil types. Thornless selections make good shade trees, although overuse of this tree has led to increasing insect and disease problems. This tree can self-sow, invasively in areas such as eastern Australia.
9 - 1
3 - 9
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20
Northeastern United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Acidic, Neutral, Alkaline
Green, Light Green, Chartreuse, Dark Green, Yellow Green
Brown, Sandy Brown, Gray
Feature Plant, Shade Trees, Street Trees
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