All oaks belong to the beech tree family but do not look like a beech tree. About 70 oak species grow to tree size in North America. Red Oak Tree Group . Anlace/Wikimedia Commons.

Pacific poison oak is found throughout Western Oregon and Washington and can cause painful rashes and blisters. Luckily, the plant is avoidable if you know what to look for.

Pacific poison oak is found throughout Western Oregon and Washington and can cause painful rashes and blisters. Luckily, the plant is avoidable if you know what to look for.

Q: One of my five oak trees is having this problem and I’m wondering what I should do. I hope it’s not a disease that could spread to my other trees. Thanks for any advice you can give me. A ...

This small tree grows up to 50 feet tall with shiny green leaves, small greenish-yellow flowers, and small, apple-like fruits. Ingesting this fruit can be fatal. The sap of this plant can cause ...

No. 2: At a local park an oak tree and a hickory tree look like they are connected at the base. How can this be? No. 3: What does a nurse tree do? Is it a particular species?

We look at why red oaks are more prone to disease now and what to do if your tree has it. There are 600 species of oak trees in the world, ten of which are native to Michigan.

What does a poison ivy rash look like? How long does it last? The rash develops 12 to 48 hours after contact, and can last two to three weeks, according to the Mayo Clinic. It often appears in a ...