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American Elm vs Black Locust

Ulmus americana

Robinia pseudoacacia

American Elm
Black Locust

American Elm is fast growing, tall tree with a recognizable and pleasing shape.

It's well suited for urban environments because of its non-invasive roots and ability to grow on harsh sites (quite salt tolerant). American Elm develops a wide, dense canopy that provides shade for many city streets around North America.

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.

AMERICAN ELM QUICK FACTS

BLACK LOCUST QUICK FACTS

Zone: 2a
Zone: 3a
Height: 30 m (98 ft)
Height: 12 m (40 ft)
Spread: 15 m (50 ft)
Spread: 8 m (25 ft)
Moisture: any
Moisture: dry, normal
Light: partial shade, full sun
Light: full sun
Fall colour: bright yellow
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Bark: dark, ashy gray with ridges
Bark: dark reddish brown to balck with furrows
Growth rate: fast
Growth rate: fast
Life span: up to 200 years
Life span: long
Maintenance: low
Suckering: medium
Suckering: high
Pollution tolerance: high
Pollution tolerance: high







Ships To Canada: yes
Ships to USA: yes
Ships To Canada: yes
Ships to USA: yes