Common Caragana vs Black Locust - TreeTime.ca

Common Caragana vs Black Locust

Robinia pseudoacacia

Caragana arborescens

Black Locust
Common Caragana

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.

Common Caragana is a fast growing shrub that's known for its exceptional hardiness and drought tolerance. Although it's most commonly planted in shelterbelts, Common Caragana is also an excellent hedge or feature shrub.

Note: in warmer areas, this species can be difficult to contain once planted. Use the right plant in the right place.

Black Locust Quick Facts

Common Caragana Quick Facts

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Zone: 3a
Zone: 1b
Height: 12 m (40 ft)
Height: 4 m (13 ft)
Spread: 8 m (25 ft)
Spread: 1.5 m (5 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Flowers: yellow, in spring
Bark: dark reddish brown to balck with furrows
Growth rate: fast
Growth rate: medium
Life span: long
Life span: medium
Maintenance: medium
Suckering: high
Suckering: none


In row spacing: 0.3 m (1.0 ft)
Between row spacing: 5 m (16 ft)


Other Names: false acacia, yellow locust
Other Names: black karagana, caragana, pea tree, siberian pea shrub, yellow acacia