Trembling Aspen vs Black Locust - TreeTime.ca

Trembling Aspen vs Black Locust

Populus tremuloides

Robinia pseudoacacia

Trembling Aspen
Black Locust

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.

Black Locust is an attractive tree. Its distinctive leaves are made of about a dozen bright green leaflets. It also notable for its fragrant white flowers, which smell of citrus.

Black Locust can grow in many situations, but prefers dry areas with lots of sun. It is robust and is an excellent choice for establishing shade in dry, open areas.

Important note: Much of the Black Locust is toxic to humans and livestock, including seeds, bark, and leaves.

Trembling Aspen Quick Facts

Black Locust Quick Facts

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Zone: 1a
Zone: 3a
Height: 25 m (82 ft)
Height: 12 m (40 ft)
Spread: 9 m (30 ft)
Spread: 8 m (25 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no
Fall colour: brilliant yellow
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Bark: dark reddish brown to balck with furrows
Growth rate: fast
Growth rate: fast
Life span: short
Life span: long
Maintenance: medium
Suckering: high
Suckering: high




Other Names: american aspen, golden aspen, mountain aspen, quaking aspen, quiver leaf aspen, trembling poplar, white poplar
Other Names: false acacia, yellow locust