Manchurian Walnut vs Thornless Honeylocust - TreeTime.ca

Manchurian Walnut vs Thornless Honeylocust

Gleditsia triacanthos inermis

Juglans mandshurica

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Thornless Honeylocust
Manchurian Walnut

Thornless Honey Locust makes an excellent shade tree with its lacy foliage and dappled shade. The leaves are honey-yellow, light and airy, providing interesting color and texture to your landscape. This variety is thornless, and the seeds and pods provide food for wildlife such as deer and squirrels.

The Thornless Honey Locust is tolerant of drought, various soil conditions, and even road salt.

Manchurian Walnut is a large, broad and often multi-stemmed tree with ornamental qualities. This tree produces large, thick-shelled nuts that ripen in the fall. These edible walnuts are reportedly difficult to crack open. They are useful for attracting wildlife, especially squirrels.

The Manchurian Walnut contains and exudes much lesser quantities of allelopathic compounds, such as juglone (common to walnuts), that may prevent or impair growth of nearby plants. Therefore, it is commonly embraced as a safe walnut to plant.

There are reports of rare this species surviving winters to -45C with specimens growing and thriving in Alaska and Edmonton.

There is no regular supply of this species. It is rare and not produced each year.

Thornless Honeylocust Quick Facts

Manchurian Walnut Quick Facts

Zone: 3a
Zone: 2b
Height: 15 m (50 ft)
Height: 21 m (70 ft)
Spread: 15 m (50 ft)
Spread: 12 m (40 ft)
Light: full sun
Light: full sun
Moisture: any
Moisture: normal, wet
Growth rate: medium
Growth rate: medium
Life span: long
Life span: long
Suckering: none
Suckering: high
Maintenance: medium


Foliage: light and thin
Bark: light grey
Nuts: large walnuts
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: chinese walnut