Siberian Crab Apple vs Black Locust - TreeTime.ca

Siberian Crab Apple vs Black Locust

Malus baccata

Robinia pseudoacacia

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Siberian Crab Apple
Black Locust

Siberian Crab Apple is a beautiful, cold hardy, ornamental tree. Its stunning white blossoms burst in the spring to produce deep red fruit.

If you are looking for a great landscape or shade tree, Siberian Crab Apple is a beautiful addition to any yard.

As a rootstock, it is one of the hardiest available. Just be aware that Siberian Crab Apple may be incompatible with varieties that don't have crab apple parentage.

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.

Siberian Crab Apple Quick Facts

Black Locust Quick Facts

Zone: 2a
Zone: 3a
Height: 7 m (23 ft)
Height: 12 m (40 ft)
Spread: 7 m (23 ft)
Spread: 8 m (25 ft)
Light: full sun
Light: full sun
Moisture: normal
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: long
Life span: long
Suckering: none
Suckering: high


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


Other Names: siberian apple
Other Names: false acacia, yellow locust