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Thornless Honeylocust
Gleditsia triacanthos var. inermis 'Skyline'

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
Registered or introduced: 1955

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:

Patent expired

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

Regional

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

Saint Peters, Missouri

Norfolk, Nebraska

Elephant Butte, New Mexico

Cincinnati, Ohio

Ellsworth, Wisconsin

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

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

A beautiful tree for less dense, filtered shade.

Neutral

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


Editor's Note

Plant Patent number 1619 has expired