Thornless Honeylocust (Gleditsia triacanthos Skyline®)

1 company sells this plant

Trade name information:
Trade Name: Skyline®
Cultivar name: 'Skycole'
Botanical names:
Gleditsia triacanthos Accepted
Gleditsia triacanthos var. inermis Synonym

General Plant Information (Edit)
Plant Habit: Tree
Sun Requirements: Full Sun
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 40 to 45 feet
Plant Spread: 35 to 45 feet
Leaves: Good fall color
Fruit: Other: all or mostly podless
Flowers: Inconspicuous
Flower Color: Green
Flower Time: Late spring or early summer
Suitable Locations: Street Tree
Uses: Shade Tree
Wildlife Attractant: Birds
Resistances: Deer Resistant
Drought tolerant
Miscellaneous: Tolerates poor soil

full-grown tree

Photo gallery:
Location: Downingtown, PennsylvaniaDate: 2015-08-09full-grown tree
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Location: Downingtown, PennsylvaniaDate: 2015-08-09trunk
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Location: Glen Ellyn, IllinoisDate: October in 1980'sautumn color
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Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jan 12, 2018 11:16 AM

The Skyline cultivar seems to be the most commonly grown one in the Eastern and Midwestern US. It is noted as being pyramidal in youth and then more rounded with age and wide-spreading. I am making an educated guess with the two tree photos I put on this page, as there is not much difference between the several different cultivars of Thornless Honeylocust of Skyline, Skymaster, Imperial, and Moraine. Skymaster seems to now be the second most used. These cultivars all make a good quality shade tree with light shade, good yellow fall color, and a neat, clean habit. It is possible for older trees to produce some pods. It is easy to mow the fallen leaves into the lawn. Now that the Green Ash has been removed from the market for some time due to the Emerald Ash Borer, the Thornless Honeylocust will now be the most commonly planted large shade and street trees as it is fast growing of about 2 feet/year, easy to transplant, and adaptable to many soils, even heavy clay ones from construction damage.

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