Black Walnut vs Korean Pine - TreeTime.ca

Black Walnut vs Korean Pine

Pinus koraiensis

Juglans nigra

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Korean Pine
Black Walnut

Korean Pine is an attractive conifer suitable for shelterbelts, privacy screens, and ornamental planting. This tree is especially prized for its pine nuts. Korean Pine nuts are larger than most other species. They can be used in salads, pesto sauce, and other foods.

This conifer is generally tolerant of urban conditions but much prefers cool summer climates.

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.

Korean Pine Quick Facts

Black Walnut Quick Facts

Zone: 3a
Zone: 3a
Height: 18 m (60 ft)
Height: 14 m (45 ft)
Spread: 9 m (30 ft)
Spread: 9 m (30 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Nuts: large edible seeds
Nuts: corrugated nut with edible meat
Growth rate: slow
Growth rate: slow
Life span: long
Life span: long
Maintenance: medium
Suckering: low




Other Names: chinese pinenut
Other Names: american walnut