When we moved into our house on Lake Mitchell in 1977, the most prominent feature in our yard were three mature red oak trees ...

Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...

Purdue Landscape Report: Recently a homeowner in Hamilton County posted on the Indiana Native Plant Society Facebook page with concerns about aphids, mites, and apple scab in her maple and oak trees.

The Mediterranean oak borer, a miniscule beetle no bigger than a sesame seed, has been discovered in trees around the Portland area. The invasive pest native to Europe, the Middle East and North ...

Oak trees around Minnesota have suffered from bouts of heavy precipitation and drought — conditions that make them more vulnerable to two-lined chestnut borer, a beetle that eats the inner bark of oak ...

Question: Yesterday I read that “oaks are a keystone species”. What exactly does that mean? Answer: A keystone species is a plant, animal or microorganism that is vitally important to its environment.

Interestingly enough, I noticed the same thing under an oak tree in my backyard this morning while I was out with our dogs. There were a lot of 12- to 18-inch branch tips from the ends of branches ...

Discover six trees to never prune in April, as you'll lose flowers or leave them at risk of damaging pests. Plus, what is the ...

It’s less than a half-inch long but it can fell a giant oak tree in no time. The goldspotted oak borer, GSOB or Agrilus auroguttatus, is a 0.4-inch bullet-shaped beetle with six golden spots on its ...

Dead trees line the Salt Creek and Platte River near Mahoney State Park in June 2025. Horticulturists with the Nebraska Game and Parks Commission were stumped when they started seeing significant ...