Pinnately compound leaves are common in North America as exampled by the abundance of walnut, pecan, and ash trees in the United States, all of which have pinnately compound leaves. These ...

The shining and dangerous pest is poised to wreak havoc on Edmonton’s $400-million population of ash trees, and the city has ...

John Skinner, community forester, joined us to talk about the invasive emerald ash borer that kills ash trees.

If an ash tree has no leaves remaining on it, or its leaves have died back on more than a third of the tree, it should be removed as soon as possible, Ball said. "Ash dies and falls in an ...

Question: My ash tree and sycamore tree are losing leaves, which are somewhat disfigured and have blackened areas on the leaves. What should I do? Answer: Recent rains have led to a buildup of ...

A "zombie" ash tree affected by the invasive emerald ash borer but could ... To the untrained eye, the carnelian-red leaves blanketing the green grass at Szymanek Park signal the arrival of autumn in ...

first noting the number of trees that had branches without leaves. Ash trees infested with emerald ash borer beetles were discovered in Marion County in August 2024. Courtesy of Wyatt Williams ...

And we all stop and look at this tree, and we're, like, that's an ash. It's definitely an ash. It's healthy. It's full of green leaves. It looks great. It was really this moment of confusion.

The Bayfield County forester paused for a moment, and then it hit him: Only black ash trees had lost leaves. The others were fine. Holmes took a closer look at one tree and saw a D-shaped exit ...

Using insecticides can be especially dangerous, she said, because they can make their way into ash tree’s pollen and leaves and harm native bees and caterpillars of moths and butterflies.