Black Walnut vs Shagbark Hickory - TreeTime.ca

Black Walnut vs Shagbark Hickory

Juglans nigra

Carya ovata

Black Walnut
Shagbark Hickory

The Black Walnut is a slow growing, large, straight-stemmed tree with an open crown. It produces dense, very hard, edible nuts.

Black Walnut has a deeply-furrowed, black bark. Its leaves are about 1 foot long, composed of 15 - 23 slightly stalked leaflets on a moderately stout stock which provide good dappled shade.

Despite being highly valued for its edible nuts and its shade tree aesthetics, it is rare to see this tree on the prairies.

Note: Black Walnut's roots produce a substance named juglone that is toxic to some other plants. Consider this when choosing where you plant a black walnut, as you will not be able to grow tomato, potato, cabbage, eggplant, blueberry, azalea, rhododendron, lilac, red pine and apple in the surrounding area.

Note: Plant this tree once. It will not respond well to transplanting.

Note: Although self-pollinating, planting two trees significantly improves nut production.

A top CO2 absorbing species. Experts think this tree may help climate change more than others.

Shagbark Hickory is a unique tree both for its looks and uses. Its bark peels into long thin vertical strips giving it a shaggy appearance. This and its golden fall leaves make it a gorgeous looking tree. This species produces tasty hickory nuts once mature. Hickory smoke is also treasured for curing meats and its generally fantastic smell.

This tree is best planted away from any buildings due to a deep taproot and large size. Many people remark on the unusual taproot for this tree that can be over 6 feet deep while the plant only has 2 feet of top growth.

Black Walnut Quick Facts

Shagbark Hickory Quick Facts

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Zone: 3a
Zone: 4a
Height: 14 m (45 ft)
Height: 21 m (70 ft)
Spread: 9 m (30 ft)
Spread: 12 m (40 ft)
Moisture: dry, normal
Moisture: any
Light: partial shade, full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: yes
Bark: shaggy looking bark peels vertically in long strips
Nuts: corrugated nut with edible meat
Nuts: similar to pecans
Growth rate: slow
Growth rate: slow
Life span: long
Life span: long
Suckering: low
Suckering: high




Other Names: american walnut
Other Names: carolina hickory, scalybark hickory, shellbark hickory, upland hickory