Trembling Aspen vs Walker Poplar - TreeTime.ca

Trembling Aspen vs Walker Poplar

Populus tremuloides

Populus x Walker

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Trembling Aspen
Walker Poplar

Trembling Aspen is a hardy, fast-growing tree. It is known for its unique "trembling" leaf movement and beautiful bark that whitens with age.

This native shade tree tolerates a range of growing conditions and requires little maintenance.

Walker Poplar is a hardy prairie tree. A common shade tree, this fast-growing hybrid poplar works well in urban yards or shelterbelts.

In the past, Walker was one of the most popular species used in shelterbelts due to the wide spread that reduced the total number and cost of trees to plant. Despite the fuzz produced by this tree in the Spring it continues to be a popular and cost effective tree for field shelterbelts.

Another benefit of this species is the low branching. It can serve as a first row species that traps snow drifts. This makes it uniquely useful as a shelterbelt tree over other varieties.

Walker is one of the fastest growing hybrid poplar varieties we grow.

Trembling Aspen Quick Facts

Walker Poplar Quick Facts

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Zone: 1a
Zone: 2a
Height: 25 m (82 ft)
Height: 25 m (82 ft)
Spread: 9 m (30 ft)
Spread: 8 m (26 ft)
Moisture: dry, normal
Moisture: any
Light: full sun
Light: any
Hybrid: no
Hybrid: yes
Catkins: yes
Catkins: yes
Fall colour: brilliant yellow
Growth rate: fast
Growth rate: fast
Life span: short
Life span: short
Maintenance: medium
Maintenance: medium
Suckering: high
Suckering: high


In row spacing: 2.4 m (8 ft)
Between row spacing: 5 m (16 ft)


Other Names: american aspen, golden aspen, mountain aspen, quaking aspen, quiver leaf aspen, trembling poplar, white poplar