Gleditsia Species, Thornless Honeylocust

Gleditsiatriacanthos var. inermis

Family
Fabaceae (fab-AY-see-ee)
Genus
Gleditsia (gleh-DIT-see-uh)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Deciduous
Height
30-40 ft. (9-12 m)
over 40 ft. (12 m)
Spacing
20-30 ft. (6-9 m)
30-40 ft. (9-12 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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Pale Yellow
Bloom Time
Mid Spring
Other Details
Category
Trees
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Phoenix, Arizona

Port Saint Lucie, Florida

Evanston, Illinois

Roslindale, Massachusetts

Ashland, Nebraska

Lincoln, Nebraska

Elephant Butte, New Mexico

Farmington, New Mexico

Middletown, Ohio

Altoona, Pennsylvania

Gibsonia, Pennsylvania

Orem, Utah

South Jordan, Utah

Davenport, Washington

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Gardener's Notes:

1
positive
4
neutrals
0
negative
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J
Toronto, ON (Zone 6a) | January 2018 | neutral

Fast growing shade tree, very cold hardy!

The seedpods could be messy in late fall throughout the whole winter and its br...Read More

R
Celeste, TX | March 2014 | neutral

There are both seedless and thorn-less varieties of this tree. I highly recommend investigating the use of those since the 3 complaints ...Read More

C
ROSLINDALE, MA | March 2014 | neutral

This is the thornless variety from which the many widely planted cultivars have been selected. Most people find the many large seedpods t...Read More

A
A
| March 2008 | positive

I have this tree growing in the southwest corner of my yard & I love it. It provides nice shade in the summer. The bees are crazy for the...Read More

S
Oklahoma City, OK (Zone 7a) | November 2004 | neutral

This tree transplants very easily. It withstands a wide range of conditions although it reaches maximum development on rich, moist botto...Read More

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