One of the characteristic features of this tree is the short, prickly thorns.
Jun 30, The soil is now quite dry and unless the trees are irrigated, severe leaf drop must occur. Even with irrigation, the drier air and hot temperatures will cause considerable leaf drop.
The late cold spells may also have played a role, injuring some leaves just as they were developing in the buds or beginning to enlarge. The honey locust, Gleditsia triacanthos, can reach a height of 20–30 m (66–98 ft), with fast growth, and is relatively short-lived, having a life span of about years.
The leaves are pinnately compound on older trees but bipinnately compound on vigorous young trees. Jun 01, A. The most frequent problem with locust trees, Idaho or black locust, is borers in the trunks.
This will cause exactly what you're talking about, yellowing of leaves and leaf drop, followed by branch dieback. Borers entered the trees usually where it is sunburned and that is on the west and south facing sides of the Author: Xtremehort.
Hot, Dry Weather. High temperatures and low moisture conditions may cause locust leaves to turn yellow and drop. Trees naturally respond to limited water by dropping leaves to conserve water. This is enhanced if the hot, dry weather was preceded by a cool, wet spring or late cold spells. Oct 19, The honey locust tree has attractive leaves that start out bright green and develop into yellow in the fall.

After the leaves wall off in the winter, the tree will grow new leaves in the spring, typically a few weeks earlier than the black locust tree. This tree has thorns on both the base of the leaves and long their branches.