Black Ash Trees

Black Ash Trees

Black ash trees are common landscaping trees for many places especially for some damp and moist locations. They can tolerate cold climates and their seeds can attract a number of wild animals. This makes them a great choice for your garden as an ornamental tree species if your home is not located in warm zones.

Black ash can grow up to 50 feet in height with a diameter of more than 10 inches. They are famous for their special foliage shape which comprises a bunch of leaflets attaching on the central stem which can be over 10 inches. Each leaflet has serrated edges with a length ranging from 2 to 5 inches. The base colour the leaflet is green, but the on the top there are some black tints. Their foliage will turn into yellow and brown in autumn. The branches of them are growing straight which is different from many ash species which expand in horizontally.

One of the outstanding features of black ash trees is that they can be greatly adaptive to wetlands and swamp areas. They usually prefer well-drained soil conditions but they can also standing in water for a few days without any issues which makes it a good option for planting in wet areas. One of the disadvantages of them is that their shallow roots which cannot resist strong winds in winter. They can also be infected by some tree diseases caused by pests and fungi. They are long-life trees and most of them can live for more than 100 years. They produce special wing shaped seeds in autumn for propagation. Some black ash species do not have seeds and they are often planted for decoration purposes.

Image provided By Herman, D.E., et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee; NDSU Extension and Western Area Power Administration, Bismarck. Courtesy of ND State Soil Conservation Committee. Provided by USDA NRCS ND State Office. United States, ND. [Public domain], via Wikimedia Commons

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