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Western Mountain Ash vs Black Walnut

Sorbus scopulina

Juglans nigra

SOLD OUT

(we don't know if or when this product will be restocked)

SOLD OUT

Western Mountain Ash
Black Walnut

Western Mountain Ash is a popular ornamental tree native to the western part of North America. Its attractive, white clusters of flowers bloom in early summer, making way for red, yellow or orange fruit in the fall. If the fruit doesn't catch your eye, Western Mountain Ash's autumn colours will capture your–and the birds's–attention.

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.

WESTERN MOUNTAIN ASH QUICK FACTS

BLACK WALNUT QUICK FACTS

Zone: 2a
Zone: 3a
Height: 9 m (30 ft)
Height: 14 m (45 ft)
Spread: 6 m (20 ft)
Spread: 9 m (30 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: partial shade, full sun
Fall colour: red
Berries: bunches of orange-red berries appear in late summer
Flowers: white
Growth rate: medium
Growth rate: slow
Life span: medium
Life span: long
Suckering: none
Suckering: low
Pollution tolerance: medium
Pollution tolerance: high





Other Names: cascade mountain ash, greene mountain ash
Other Names: american walnut


Ships To Canada: yes
Ships to USA: yes
Ships To Canada: yes
Ships to USA: yes