Assiniboine Poplar vs Butternut (White Walnut) - TreeTime.ca

Assiniboine Poplar vs Butternut (White Walnut)

Juglans cinerea

Populus x Assiniboine

COMING SOON

(new stock expected: fall of 2025)

COMING SOON

(new stock expected: fall of 2025)

Butternut (White Walnut)
Assiniboine 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.

A top CO2 absorbing species. Experts think this tree may help climate change more than others.

Assiniboine poplar is a tall, fast growing tree that has a shapely oval form and dense foliage. This hybrid poplar is a male clone and produces no fuzz or fluff. Assiniboine poplar can handle tough conditions such as: urban pollution, environmental salt, drought, poor soil, and even some standing water.

Butternut (White Walnut) Quick Facts

Assiniboine Poplar Quick Facts

Zone: 2b
Zone: 2a
Height: 25 m (82 ft)
Height: 20 m (66 ft)
Spread: 8 m (27 ft)
Spread: 12 m (40 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: very fast
Life span: medium
Life span: medium
Suckering: none
Suckering: high
Maintenance: medium


Nuts: brown shell, edible
Hybrid: no
Hybrid: yes
Catkins: no
Catkins: no


In row spacing: 2.4 - 3 m (8 - 10 ft)
Between row spacing: 5 m (16 ft)
Other Names: demon walnut, oilnut, white walnut