Green Ash, Swamp Ash, Water Ash

Green ash has a straight, single trunk with a high-headed, open crown. Depending on the seed source, some specimens may have droopy branches when mature. Leaves are late to appear in the spring and drop early in the fall. It is easy to transplant.

Green ash can attain a mature height of 12 to 20 m (40 to 65 ft), and a spread of 9 m (30 ft), with an annual growth rate of 10 to 60 cm (4 to 24 in.). It has a useful lifespan of 50 to 90 years.

Bark - Greyish sometimes with orange cast. Tight ridges, shallowly furrowed in an attractive irregular pattern.

Buds - Large, rusty-brown, woolly, set above leaf scar which forms almost a straight line.

Flowers - Dioecious.

Fruit - a one-winged samara 2.5 to 5 cm (1 to 2 in.) long in clusters, shaped like a canoe paddle.

Leaves - Opposite, medium green, odd-pinnate, 5 to 9 leaflets, ovate to ovate-lanceolate. Pubescent beneath. Margin is smooth to faintly irregularly toothed.

Propagated by seed.