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Brooks Poplar
Populus 'Brooks #6'

Family: Salicaceae (sal-i-KAY-see-ee) (Info)
Genus: Populus (POP-yoo-lus) (Info)
Cultivar: Brooks #6
Additional cultivar information:(aka #4)
Hybridized by Griffin
Registered or introduced: 1954




20-30 ft. (6-9 m)

30-40 ft. (9-12 m)

over 40 ft. (12 m)


Unknown - Tell us


USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade



Bloom Color:


Bloom Time:

Late Winter/Early Spring


Grown for foliage



Good Fall Color

Other details:

This plant is attractive to bees, butterflies and/or birds

Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

From hardwood cuttings

Seed Collecting:

Unknown - Tell us

Gardeners' Notes:


On Jun 7, 2005, darylmitchell from Saskatoon, SK (Zone 3a) wrote:

Brooks poplar is presumed to be a cross between a native cottonwood and a Russian poplar (Populus deltoides x Populus petrowskyana). It is a male clone introduced by Mr. Augustus Griffin, superintendent of the C.P.R.'s Engineering Division (later the Alberta government's Crop Diversification Centre South) at Brooks, Alberta in 1954. This poplar is a tall, fast-growing, upright, deciduous tree with rough bark. Leaves are alternate, simple, dark shiny green, and diamond-shaped. It carries its leaves fairly late in the year. Its mature height ranges from 10 to 25 m (33 to 80 ft) with a spread of about 15 m (50 ft). It can be expected to reach a height of 6 m (20 ft) in five to seven years from a one year old rooted cutting.

It has wide soil adaptation and while it requires gen... read more