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 ...

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, ...

The classic and trusted book “Fifty Common Trees of Indiana” by T.E. Shaw was published in 1956 as a user-friendly guide to local species. Nearly 70 years later, the publication has been updated ...

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 ...

PETERSHAM, Mass. — Not every scientist would choose to spend a peaceful summer Sunday morning perched on a jittery scaffold 40 feet up a red oak tree, peering through a microscope to jab a leaf with a ...

Fall is in the air and thoughts turn to pumpkins, cider and brightly colored leaves. According to experts at the University ...

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 ...

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 ...

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 ...

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 ...