Photo by Melody

PlantFiles: Thornless Honeylocust
Gleditsia triacanthos var. inermis 'Skyline'

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Family: Caesalpiniaceae (ses-al-pin-ee-AY-see-ee) (Info)
Genus: Gleditsia (gleh-DIT-see-uh) (Info)
Species: triacanthos var. inermis
Cultivar: Skyline
Additional cultivar information: (PP1619, Skyline, Skycole)
Hybridized by Cole; Year of Registration or Introduction: 1955

One vendor has this plant for sale.

Category:
Trees

Height:
over 40 ft. (12 m)

Spacing:
15-20 ft. (4.7-6 m)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Pale Yellow

Bloom Time:
Mid Spring

Foliage:
Grown for foliage
Deciduous

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
Scarify seed before sowing
By grafting

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive jgswanso On Aug 2, 2012, jgswanso from Ellsworth, WI (Zone 4a) wrote:

A beautiful tree for less dense, filtered shade.

Neutral Joan On Oct 24, 2009, Joan from Belfield, ND (Zone 4a) wrote:


Editor's Note

Plant Patent number 1619 has expired

Regional...

This plant has been said to grow in the following regions:

St Peters, Missouri
Norfolk, Nebraska
Elephant Butte, New Mexico
Blue Ash, Ohio
Ellsworth, Wisconsin



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