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Illinois Native Plant Guide - Green Ash - Pages 86-87

Illinois Native Plant Guide

Green Ash
Fraxinus pennsylvanica (F. pennsylvanica subintegerrima)

Preferred Water Depth and Inundation Tolerance

Natural floodplain species. Species tolerates periodic inundation of 0-24 inches for short durations.

Wildlife Value

Twigs and seeds provide forage for mammals, such as deer, beaver, and mice. Birds eat seeds and the tree provides nesting habitat. Fallen logs provide amphibian and reptile habitat. Also provides habitat for many insects.

Application/Zone

Used for streambank and upland slope buffer stabilization.

Availability, Establishment, and Maintenance

  • Transplants readily and establishes itself well.
  • Best seed germination has been seen after dry storage at 40o F
    followed by 70o F.
  • Tolerates drought and sterile soils. Has fast growth rate, 2.5-3
    feet per year.
  • Spreads quickly by seed.

Green Ash
Fraxinus pennsylvanica (F. pennsylvanica subintegerrima)

Mature HeightGreen Ash
Up to 60 feet

Plant Type
Deciduous tree

Indicator Status
Facultative Wet

pH
6.1-7.5

Nutrient Load Tolerance
High

Salt Tolerance
Moderate

Siltation Tolerance
High

Flowering Color and Time
April to May

Light Preference
Shade tolerant

Seeding Rate
Not applicable

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