Ash (Fraxinus species)
Native throughout the United States, ash trees are found everywhere from forest stands, to lawns and parks. Ash trees were considered a good replacement for the vast number of elm trees lost to Dutch elm disease, and now face infestation, decline and death due to the activities of the emerald ash borer.
Hardiness- zones 3 through 9
Growth Rate- moderate to fast
Mature Shape- slightly pyramidal, upright with a rounded crown
Height- 50 to 80 feet
Width- 50 to 70 feet
Site Requirements- Native to Iowa, ash trees grow best in full sun and moist, well-drained soils. Ash trees are tolerant of a wide range of soil conditions.
Features- Ash trees range in fall leaf colors including: yellow, maroon and purple.
Recommended Varieties for Iowa- Due to the threat posed by the emerald ash borer, ash trees are not currently recommended for planting in Iowa and surrounding states. All varieties of ash are susceptible to attack by the emerald ash borer. See the publication at the link listed below for more information on the emerald ash borer.