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Q: I have a bur oak tree in our backyard that’s 9 years old. Last summer, I started noticing ridges on the tree trunk and branches. Is this normal? If not, is there anything I can do about it? — Heidi ...

Dead trees line the Salt Creek and Platte River near Mahoney State Park in June 2025. Horticulturists with the Nebraska Game and Parks Commission were stumped when they started seeing significant ...

Long branches with notched bark littered the lawn of the Lincoln Park Zoo on Tuesday morning, a yawning sky visible where a thick canopy once stood. For almost three hours, crews from Fernandez Tree ...

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 ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

For the next few months, Katrina Quint has one request for visitors to the Lincoln Park Zoo: Look up. Across from the white-cheeked gibbon enclosure sits a great, sprawling bur oak tree, about 45 feet ...

Concerns about oak trees have been common this spring. Careful observers have noticed that some of the leaves on white oak trees appear more brown than green, especially the leaves on the lower ...