Outstanding Features:
Fast growing and adaptable to drought and poor soil.

Description:
Height: 40-60'
Width: 30-50'
Hardiness Zone: 3a

Green Ash has a broad range and is native throughout the upper midwest. It is very commonly used in the landscape since its adaptability allows it to survive in many sites including street plantings and in parking lots. It has an oval to round crown, becoming somewhat irregular and spreading with age. The medium green leaves are pinnately compound with 7­9 leaflets. Fall color is often non­descript but can become an attractive clear yellow under good conditions. Green Ash grows quite rapidly, especially when planted in a favorable site.

Requirements and Culture:
Well adapted to a broad range of soil conditions. Very drought tolerant and salt tolerant. Full sun. Easily transplanted and rapidly becomes re-established. Prune to improve form. Select seedless cultivars to avoid problem of weedy seedlings.

Limitations:
Usually not seriously bothered by insect or disease problems but can be attacked by borers if under stress. Ash yellows (a mycoplasma-like organism) is now showing up as a possible serious threat. The form of Green Ash tends to become unattractive with age. Susceptible to ash flower gall on male flowers. The feeding of ash plant bug can mar the foliage.

Selected Cultivars:

Many seedless cultivars are available. The following are well adapted in the upper midwest.

`Bergeson' ­ has an upright oval crown with a straight trunk. It is a rapid growing, seedless cultivar A good choice where lateral space is limited. Very hardy.

Dakota Centennial^TM - is a new introduction by North Dakota State University. It has a symmetrical rounded crown with a strong central leader. It grows vigorously and has dark green foliage. Seedless. Very hardy.

`Kindred' - has a rounded crown and dark green foliage. Excellent growth, with a strong central leader and a good symmetrical form. Seedless. Very hardy.

`Marshall Seedless' ­ has a broad oval to round crown with dark green foliage. More irregular in branching habit than some cultivars. Can develop an attractive clear yellow fall color in seasons with favorable conditions.

`Patmore' ­ has attractive glossy, dark green foliage and an oval crown with symmetrical upright branching habit. Seedless. Very hardy.

`Summit' ­ has a narrow, upright oval crown broadening with age. It has a strong central leader. Bark is finer textured and distinctly different than most cultivars.

Prairie Dome^TM - is a new cultivar with a dense oval crown becoming globose with age. It was introduced by North Dakota State University. It is seedless and very hardy.

Prairie Spire^TM - A new selection introduced by North Dakota State University. It grows rapidly, with a compact, broad columnar to narrow pyramidal crown. Good yellow fall color. Seedless. Very hardy.

Photo Credit: 1 & 2 K. Warren. Photo 1 is `Summit', 2 is `Patmore'. Photo Credit: 3 MLA; 4 Bailey Nurseries, Inc. Photo 3 is `Kindred', 4 is `Marshall Seedless'.

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