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Balsam Poplar vs Black Walnut

Populus balsamifera

Juglans nigra

Balsam Poplar
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Balsam Poplar is a hardy, fast-growing deciduous tree.

Native to Canada east of the Rockies, this large, upright's seedlings are grown from cuttings.

Sometimes they are a male clone, so they don't produce fluff. Other times, the collection was from both male and female trees and there is some fluff produced.

The Black Walnut is a slow growing, large, straight-stemmed and high value timber tree with an open crown. It produces a dense, very hard, edible nut. The root system usually includes a deep tap-root and several wide-spreading and deeply set lateral roots.

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.

Its 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.

Despite being highly valued for its edible nuts, high value timber, and its shade tree aesthetics, it is rare to see this tree on the prairies. Plant this tree once when it is young as it does not respond well to transplanting.

BALSAM POPLAR QUICK FACTS

BLACK WALNUT QUICK FACTS

Zone: 2a
Zone: 3a
Height: 25 m (82 ft)
Height: 14 m (45 ft)
Spread: 9 m (30 ft)
Moisture: normal
Moisture: dry, normal
Light: full sun
Light: partial shade, full sun
Fuzz/fluff: see description
Catkins: yes
Fall colour: golden yellow
Fall colour: yellow
Growth rate: fast
Growth rate: slow
Life span: medium
Life span: long
Maintenance: low
Suckering: medium
Suckering: low
Pollution tolerance: medium
Pollution tolerance: high

In row spacing: 2.4 - 3 m (8 - 10 ft)

Between row spacing: 5 m (16 ft)





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