When many trees of the same species are grown in an urban landscape, they are frequently attacked by a variety of pests and diseases. These problems are often exacerbated because of the high density ...

Every now and then a tree problem suddenly emerges that result in dozens of calls and e-mails. The tree in question is Mancana ash - a variety of Manchurian ash. I wrote about problems with this tree ...

Q: I have a mountain ash tree that is probably going on ten years old. It stands at least two meters tall. It is the type that is bushy and does not have just one central trunk. It appears to be ...

PHOENIX (AZFamily) — A major monsoon storm hit the Phoenix metro area and Pinal County, marking the largest and first major haboob in 2025. It left tens of thousands of houses and businesses without ...

Black ash trees only produce seeds every seven years and 2019 is the year. Now, The Canadian Forest Service National Tree Seed Centre is hoping Canadians will help find some seeds. The seed centre has ...

Hundreds of ash trees are being removed from Winnipeg neighbourhoods as the city's forest canopy is hit by another invasive species. The cottony ash psyllid — also known as jumping tree lice — has ...