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Ginkgo Biloba vs Black Walnut

Ginkgo biloba

Juglans nigra

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Ginkgo Biloba
Black Walnut

The Ginkgo Biloba is regarded as one of the most distinctive and beautiful of all the deciduous trees, and has remained genetically unchanged for millions of years. Its beautifully fan-shaped leaves develop a clear yellow colour in fall. Graceful and attractive year-round, Ginkgo is the perfect conversation starter in your yard.

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.

GINKGO BILOBA QUICK FACTS

BLACK WALNUT QUICK FACTS

Zone: 4a
Zone: 3a
Height: 18 m (60 ft)
Height: 14 m (45 ft)
Spread: 9 m (30 ft)
Spread: 9 m (30 ft)
Moisture: any
Moisture: dry, normal
Light: partial shade, full sun
Light: partial shade, full sun
Fall colour: golden yellow
Nuts: Edible and tasty, cook before eating
Nuts: corrugated nut with edible meat
Growth rate: slow
Growth rate: slow
Life span: long
Life span: long
Suckering: none
Suckering: low



Toxicity: Uncooked nuts in large quantities


Other Names: gingko, maidenhair tree
Other Names: american walnut