Travelling across Ireland, it is hard to ignore the lines of dead and dying ash trees in the hedges.

What lies hidden in the root of an ash tree? In this woodturning adventure, a root that appeared rough and unpromising is ...

Minnesota's Department of Agriculture is releasing wasps in areas with known emerald ash borer infestations, hoping to slow the spread of the deadly pest.

Emerald ash borer was recently found in Milbank, now one of 13 communities in South Dakota where the pest has been detected.

The Oregon Department of Forestry is warning Oregonians about an invasive species of beetle that could emerge this summer.

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal ...

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know about the disease.

The city forester said at least 50% of the trees in Jamestown were affected by the June 20-21 storms, whether they were destroyed, tipped over, had major damage or some damage. "I would say that just ...

Darling-58 sprouts, a transgenic American chestnut created by ESF researchers, grow in a nutrient solution. Darling 54, a ...

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.