Our native oak trees face a new threat. In November 2019, scientists in Calistoga discovered tiny symbionts — an insect-fungus team — killing mature valley oak trees (Quercus lobata). It was the first ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut branches.

Find out what types of oak trees are best for your growing conditions, from dry to wet, and sandy to clay soil. I'm a big fan of all types of oak trees, and I’ve even sprouted an acorn from a tree at ...

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 ...

The University of Missouri Extension and the Department of Conservation are enlisting landowners to plant and care for white oak seedlings. The tree species is essential for wildlife and industry, but ...

Live Oak Trees, like all oak trees grow from seeds, in this case, an acorn. All oak trees also produce catkins which hang down from the oak branches in the spring, pollinate the very small oak flowers ...

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 ...

Due to changing weather patterns caused by climate change, young white oak trees are struggling in Missouri forests. Foresters across the country are asking private landowners for help saving white ...

Majestic oak trees have been capturing attention long before travelers on the Oregon Trail stopped their wagons and set up their new life. Indigenous people nurtured oaks for edible acorns, and ...

Foresters across the country are asking private landowners for help saving white oak trees, and Missourians have eagerly answered the call. More than 40 people recently signed up to help the ...