Autumn Purple is a cultivar of white ash (Fraxinus americana) that is known for its outstanding fall color. The tree typically grows to a height of 50 to 70 feet and a spread of 40 to 50 feet at maturity, forming a broadly oval to rounded canopy. The foliage is a medium green color in the spring and summer, but turns a stunning deep purple color in the fall.
The tree is adaptable to a wide range of soil types and growing conditions, and is relatively tolerant of drought, heat, and urban pollution. It is also known for its resistance to pests and diseases, including the emerald ash borer, which has caused significant damage to ash trees in many parts of the country.
Overall, Autumn Purple ash is a popular landscape tree for its attractive foliage and adaptability to different growing conditions. Keep in mind that the growth rate and size may vary depending on the specific growing conditions and location.