Like the rest of the red/black oak group, the Northern Red Oak has multi-lobed leaves with bristle tips. This native tree, however, has a group of buds at the terminal end of the stem that are smooth, ...

Few average Joes can correctly identify every species of oak growing in North America. That’s the kind of Final Jeopardy-level knowledge typically reserved for foresters, wildlife biologists, and very ...

Oak trees have been around for more than 50 million years, with individual trees easily living 1,000 years. One of the oldest oak trees in the U.S. is believed to be at least 2,624 years old. The ...

• A robust understanding of phloem functioning in tall trees evades us because current methods for collecting phloem sap do not lend themselves to measuring actively photosynthesizing canopy leaves. • ...

You don’t have to hunt deer for very long to realize that oak trees and the acorns they drop each fall are hugely important to deer. If fact, most hunters know that the majority oak trees fall into ...

This Texas Red Oak shows the awesome fall colors of this tree. Note also the multi-trunk appearance of the base of the tree. Oak trees are an important part of our landscape. Looking around, it is ...

This research assessed (1) the relationship between defoliation and phenolic chemistry of red oak trees, and (2) the relationship between food quality, measured in terms of oak phenolic chemistry and ...

Despite the fact that we describe live oaks as evergreen, they drop their leaves every year in late February or early March. I guess we still call them evergreens because the transition happens so ...

During the period between April 15 and July 15, beetles actively carry spores of fungus from tree to tree, meaning oak trees are at high risk for infection with oak wilt. Oak trees with wounds in ...

The fallen leaves and cool temperatures are all signs it’s safe to prune oak trees in Michigan. Oak trees can be infected by the oak wilt fungus if they’re pruned anytime between April 15 through July ...