Green Ash vs Ironwood Tree - TreeTime.ca

Green Ash vs Ironwood Tree

Ostrya virginiana

Fraxinus pennsylvanica

NOT AVAILABLE THIS SEASON - MIGHT RETURN

Ironwood Tree
Green Ash

Ironwood Tree is one of the strongest and most resilient trees you will find in North America. In fact, it has the hardest and most dense wood of any North American tree. Prized for its oval shaped canopy and showy winter trunk, this striking shade tree will make a beautiful addition to any yard. Make sure you do not plant near roads as it is highly salt sensitive.

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.

Ironwood Tree Quick Facts

Green Ash Quick Facts

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Zone: 3a
Zone: 2b
Height: 8 m (25 ft)
Height: 18 m (60 ft)
Spread: 6 m (20 ft)
Spread: 12 m (40 ft)
Light: any
Light: full sun
Moisture: any
Moisture: dry, normal
Growth rate: slow
Growth rate: fast
Life span: long
Life span: long
Suckering: none
Suckering: low


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


In row spacing: 1.8 - 2.4 m (6 - 8 ft)
Between row spacing: 5 m (16 ft)
Native to: ON, QC, NS, NB, PE
Native to: AB, SK, MB, ON, QC, NS, NB, PE
Other Names: downy ash, red ash, swamp ash, water ash