Prairie Sky Poplar vs Butternut (White Walnut) - TreeTime.ca

Prairie Sky Poplar vs Butternut (White Walnut)

Juglans cinerea

Populus x canadensis Prairie Sky

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Butternut (White Walnut)
Prairie Sky Poplar

Butternut is one of the few walnut varieties native to Canada. The nuts are sought after for their mild, sweet, and oily taste. Ensure this tree is planted in full sun and well-drained soil for best results.

Butternut is self-fertile but it has better yields when planted near other butternuts. It can survive in zone 2, but reliably produces nuts in zone 3.

Prairie Sky Poplar is a fast-growing columnar hybrid poplar developed at Agriculture and Agri-food Canada's Morden Research Station. It is adaptable to many soil conditions and seems to do best in the southern-most parts of the prairies.

Good as a shade or shelterbelt tree, it is often used in buffer zones as a visual screen or hedge. Ideal for lining properties, roads, etc.

Butternut (White Walnut) Quick Facts

Prairie Sky Poplar Quick Facts

Lowest Price: $10.99
Zone: 2b
Zone: 2b
Height: 25 m (82 ft)
Height: 18 m (60 ft)
Spread: 8 m (27 ft)
Spread: 6 m (20 ft)
Light: full sun
Light: full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: fast
Life span: medium
Life span: medium
Suckering: none
Suckering: high
Maintenance: medium


Foliage: large, heart-shaped
Nuts: brown shell, edible
Hybrid: no
Hybrid: yes
Catkins: no
Catkins: no


Native to: ON, QC, NB
Other Names: demon walnut, oilnut, white walnut