Growth Facts

Skyline Honeylocust
Gleditsia triacanthos f. inermis 'Skycole' PP1,619

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Skyline® Honeylocust is a rugged, adaptable tree with a straight trunk covered in rough bark; strong, sturdy branches; and a sheltering canopy of dark green leaves. There is little that fazes this tough character, whether it’s forced to deal with summer drought, clay soil, salt spray, harsh winters, pollution, or deer. It is just as at home in the city as it is in the country—it will even thrive in the harsh conditions of the parking lot! Skyline® is a moderately fast-growing tree, and it doesn’t take long to fill out. It becomes a medium-sized shade tree and makes a dependable street tree or lawn tree, even when growing conditions are less than ideal.

Growth Facts

The Story

Native to much of the eastern U.S. from Pennsylvania to Mississippi, Honeylocust Trees in the wild are wild indeed. They are often armed with humungous, wicked thorns and dangle long seedpods with a honey-like substance inside that gives them their common name. Trees selected for the landscape, like Skyline®, however, are essentially thornless and seedless. Skyline® Honeylocust is a classic shade tree that has stood the test of time. It was patented in the 1950s by Barrett Cole of Painesville, Ohio. Cole noted the tree as special among the 10,000 seedlings at his nursery for its upright growth habit (most Honeylocusts are more wide-spreading), its uniform branching pattern, and its dense, dark foliage.

The Details

Honeylocust leaves are actually multi-branched structures made up of 20 to 30 tiny leaflets. This arrangement lets some dappled sunlight shine through, making it easy to grow grass underneath the tree. Skyline® is one of the first trees to greet the autumn with fall color, its leaves turning a warm golden yellow. Most of the leaflets simply blow away once they fall, and cleanup is a cinch.

How to Grow

Plant it green side up! Skyline® Honeylocust is one of the most forgiving trees you can grow, though proper siting and knowledgeable care will result in the optimal growth and attractiveness of your tree. This tree needs to be in full sun to perform its best and it likes moist soil, but it doesn’t do well in sites that are constantly wet. Once it becomes established, it will tolerate dry periods, but growth will be more robust with regular irrigation. Skyline® responds to an annual application of fertilizer, such as the Bower & Branch Elements™ Fertilizer, in the fall. If necessary, pruning should also be carried out in the fall.

Size Guide

Size Guide Scale


Size: B

Size B

This graphic shows the approximate size and form of the Tree you are viewing.

Size B Trees:

8-10' tall. Well developed head and branching structure. Limbed up to 5'. Strong caliper over 1 1/2". Will be providing shade quickly. Grown in our #15 tree container.

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