Green Giant / Brooks #6 Poplar vs Black Locust - TreeTime.ca

Green Giant / Brooks #6 Poplar vs Black Locust

Populus x Green Giant

Robinia pseudoacacia

NOT AVAILABLE THIS SEASON - MIGHT RETURN

COMING SOON

(new stock expected: fall of 2025)

Green Giant / Brooks #6 Poplar
Black Locust

Green Giant Poplar - also known as Brooks #6 - is a large, prairie hardy tree ideally suited to shelterbelts. Cold tolerance, drought tolerance, and disease resistance make the green giant a perfect fit for anyone looking for a low maintenance tree. This hybrid poplar variety produces no fuzz.

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 Giant / Brooks #6 Poplar Quick Facts

Black Locust Quick Facts

Zone: 2a
Zone: 3a
Height: 15 m (49 ft)
Height: 12 m (40 ft)
Spread: 8 m (25 ft)
Spread: 8 m (25 ft)
Light: partial shade, full sun
Light: full sun
Moisture: any
Moisture: dry, normal
Growth rate: very fast
Growth rate: fast
Life span: short
Life span: long
Suckering: high
Suckering: high
Maintenance: medium


Bark: dark reddish brown to balck with furrows
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Seeds: dark brown peapod-like pods
Hybrid: yes
Hybrid: no
Catkins: no
Catkins: no

In row spacing: 2.4 - 3 m (8 - 10 ft)

Between row spacing: 5 m (16 ft)
Other Names: brooks poplar, hybrid poplar
Other Names: false acacia, yellow locust