Black Locust vs Prairie Skyrise Aspen - TreeTime.ca

Black Locust vs Prairie Skyrise Aspen

Robinia pseudoacacia

Populus tremuloides Prairie Skyrise

COMING SOON

(new stock expected: fall of 2025)

CUSTOM GROW

Black Locust
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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.

Prairie Skyrise Aspen has a compact and columnar branching structure that makes it a great privacy screen for small yards. You'll notice that the old and new growth have contrasting colors of green, giving this tree an attractive and unique appearance.

Prairie Skyrise Aspen is more disease resistant, columnar, and typically leafs out earlier than Swedish Aspen.

Black Locust Quick Facts

Prairie Skyrise Aspen Quick Facts

Zone: 3a
Zone: 2a
Height: 12 m (40 ft)
Height: 12 m (40 ft)
Spread: 8 m (25 ft)
Spread: 1.5 m (5 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: normal, wet
Growth rate: fast
Growth rate: medium
Life span: long
Life span: short
Suckering: high
Suckering: high
Maintenance: medium


Fall colour: golden yellow
Bark: dark reddish brown to balck with furrows
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: false acacia, yellow locust