What does poison hemlock look like? Look for small clusters of white flowers that eventually develop into “green, deeply ridged fruit that contains several seeds,” USDA states.

PORTLAND, Ore. (KOIN) — 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.

Our local forests have far fewer oak trees than were present in the 1800s and yet, of all our native trees, the oak tree is ...

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.

Invasive borer beetle threatens Oregon's oak trees, state looks at options to control the pest by KATU Staff Mon, September 18th 2023 at 5:15 PM Updated Mon, September 18th 2023 at 5:22 PM 6 ...

Oak wilt is one of the deadliest tree diseases in the U.S., responsible for killing millions of trees across 76 counties in Texas, according to the forest service.

An Inland Empire city has approved a development project within 450 feet of the third oldest known living organism in the world — a sprawling, shrub-like oak tree that is more than 13,000 years old.