Northwest Poplar vs Green Ash - TreeTime.ca

Northwest Poplar vs Green Ash

Fraxinus pennsylvanica

Populus x jackii Northwest

COMING SOON

(new stock expected: fall of 2026)

COMING SOON

(new stock expected: fall of 2026)

Green Ash
Northwest Poplar

Green ash is a fast growing tree with incredible golden yellow leaves in fall. This tree is native to the prairies and is well suited for drought and cold. Green ash can also tolerate soil compaction, periods of flooding and a wide variety of soils including alkaline. This makes green ash ideally suited for use in urban environments.

Northwest Poplar is a large and fast-growing tree. Due to its wide spread, this tree makes a great shade or shelterbelt tree. Northwest Poplar tolerates partial shade, drought, and most types of soil. This poplar produces no fuzz.

Northwest Poplar continues to be popular as a shelterbelt species due to the great cost savings that come from the wide spread of the branches. It is a staff favorite because of the wonderful shade it provides all summer long.

Green Ash Quick Facts

Northwest Poplar Quick Facts

Zone: 2b
Zone: 2a
Height: 18 m (60 ft)
Height: 25 m (82 ft)
Spread: 12 m (40 ft)
Spread: 14 m (45 ft)
Light: full sun
Light: partial shade, full sun
Moisture: dry, normal
Moisture: any
Growth rate: fast
Growth rate: very fast
Life span: long
Life span: short
Suckering: low
Suckering: high


Fall colour: bright yellow in early fall
Seeds: seeds located within samaras
Hybrid: no
Hybrid: yes
Catkins: no
Catkins: no

In row spacing: 1.8 - 2.4 m (6 - 8 ft)

In row spacing: 2.4 - 3 m (8 - 10 ft)
Between row spacing: 5 m (16 ft)
Between row spacing: 5 m (16 ft)
Native to: AB, SK, MB, ON, QC, NS, NB, PE
Other Names: downy ash, red ash, swamp ash, water ash
Other Names: balm of gilead, jacks aspen, jacks hybrid poplar