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 ...

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 ...

Q: I live in a rural area that is surrounded by large oak trees. They attract a variety of squirrels and other wildlife. Other than fencing off every tree, is there any way of protecting fruit trees ...

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.

Many caterpillars feed on the leaves of oak trees. Most will not do much damage, but some can pose a real threat to the health of the tree. Here’s what you need to know to identify the caterpillars on ...

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 ...

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 ...

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 ...

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 ...