Mountain Maple vs Black Locust - TreeTime.ca

Mountain Maple vs Black Locust

Acer spicatum

Robinia pseudoacacia

CUSTOM GROW

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Black Locust

Used to growing in the shadows of the damp forest, White Maple (aka Mountain Maple) is a great fit for shady and wet areas, such as beneath larger trees. Unlike most of its cousins, the White Maple is a shrub instead of a tree. It's still a maple, however, with sap that can be made into Maple syrup to prove it!

In May and June, the classic shapes of Maple leaves are joined by clusters of green and yellow flowers. Soon after, red samaras (aka helicopter seeds or whirligigs) appear. This distinctive appearance makes White Maple an excellent choice for giving urban yards a unique (and patriotic) look.

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.

Mountain Maple Quick Facts

Black Locust Quick Facts

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Zone: 2a
Zone: 3a
Height: 15 m (50 ft)
Height: 12 m (40 ft)
Spread: 15 m (50 ft)
Spread: 8 m (25 ft)
Light: full sun
Light: full sun
Moisture: normal, wet
Moisture: dry, normal
Growth rate: fast
Growth rate: fast
Life span: long
Life span: long
Suckering: medium
Suckering: high
Maintenance: medium


Fall colour: purple to bright red to yellow
Bark: thin reddish or greyish
Bark: dark reddish brown to balck with furrows
Flowers: yellow and green
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Seeds: winged samaras
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: SK, MB, ON, QC, NS, NB, NL, PE
Other Names: white maple
Other Names: false acacia, yellow locust