Edmonton and Area Land Trust Published Oct 02, 2016 • Last updated Oct 02, 2016 • 3 minute read Join the conversation Black knot infected branch, trimmed from tree at Pipestone Creek. supplied ...

Growing Things: Prune trees to stave off black knot Q: We have a very large chokecherry tree and it has what appears to be black knot on several branches higher up on the tree.

Black knot is infecting trees in every quadrant of the city, but newer communities in the southwest are particularly bad. Trees on private property, as well as city land are affected.

A new initiative aims to protect black ash trees, now considered endangered, from the invasive emerald ash borer that has wrought havoc on ash tree populations.

For full article with additional photos view: Intro to Trees of Indiana: Black Willow, Forestry and Natural Resources’ News. If you have any questions regarding wildlife, trees, forest management, ...

A black walnut tree planted by Frederick Law Olmsted, Sr. in the late 1840s or 50s stands tall in the yard at the Olmsted-Biele House in Eltingville, Staten Island.

An air-borne fungus is infecting thousands of trees in Calgary. The disease is called black knot, and it infects trees in the prunus family. Schubert Chokecherry and Mayday trees in the city are ...

The lobed leaves are darker green and tend to droop down at the edges as the summer goes on. The bark is lighter gray and smooth in young trees and features flakes or plates in older trees. The seed ...