Green Alder vs Black Locust - TreeTime.ca

Green Alder vs Black Locust

Alnus alnobetula ssp. crispa

Robinia pseudoacacia

NOT AVAILABLE THIS SEASON

Green Alder
Black Locust

Green Alder is a cold hardy, native shrub. It is often planted on infertile sites so it can fix nitrogen from the air and improve the soil quality.

Green Alder is known for its smooth grey bark and attractive shiny green leaves; it is commonly used in reclamation.

Note:This species is currently unavailable. Grow your own using Green Alder seeds at SeedTime.ca.

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.

Green Alder Quick Facts

Black Locust Quick Facts

Lowest Price: $0.89 - SAVE UP TO 82%
Zone: 1a
Zone: 3a
Height: 7 m (23 ft)
Height: 12 m (40 ft)
Spread: 3 m (10 ft)
Spread: 8 m (25 ft)
Moisture: any
Moisture: dry, normal
Light: any
Light: full sun
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no
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
Suckering: high
Suckering: high

In row spacing: 0.9 m (3 ft)

Between row spacing: 5 m (16 ft)


Other Names: mountain alder, sitka alder
Other Names: false acacia, yellow locust