Black Walnut vs Schuettes Oak - TreeTime.ca

Black Walnut vs Schuettes Oak

Quercus × schuettei (Quercus bicolor × Quercus macrocarpa)

Juglans nigra

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Schuettes Oak
Black Walnut

Schuettes Oak is a naturally occurring hybrid of Swamp White Oak and Bur Oak. With a faster growth than both parent species, it is one of the fastest growing Oak trees. They are known for growing very large and wide, so space them appropriately. It is considered one of the most adaptable Oaks with little preference on soil conditions. It can handle growing in wet, saturated soils as well as those that are dry, clay, or alkaline.

The Schuettes Oak has very large acorns. They have a large cup portion like the Bur Oak, but without the fringe. Due to the Swamp White Oak parentage, the acorns have less tannins and a sweeter taste. They are a food source for various wildlife including birds, squirrels, and deer.

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.

Schuettes Oak Quick Facts

Black Walnut Quick Facts

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Zone: 4a
Zone: 3a
Height: 18 m (60 ft)
Height: 14 m (45 ft)
Spread: 15 m (50 ft)
Spread: 9 m (30 ft)
Moisture: normal, wet
Moisture: dry, normal
Light: partial shade, full sun
Light: partial shade, full sun
Hybrid: yes
Hybrid: no
Catkins: yes
Catkins: no
Nuts: large, sweet acorns
Nuts: corrugated nut with edible meat
Growth rate: medium
Growth rate: slow
Life span: long
Life span: long
Maintenance: medium
Suckering: low
Suckering: low



Toxicity: when injested, can be toxic for many animals

Other Names: schuette oak, schuettes hybrid oak, swamp bur oak
Other Names: american walnut