Does your oak tree have brown leaves? If it is a Bur Oak tree, then it may be affected by Bur Oak Blight. The Extension office has seen several pictures over the last couple of weeks of Bur Oak Blight ...

Q: My bur oak that I’ve grown from an acorn is now 24 inches tall. Something is eating its leaves. What is it, and what can I do? A: The parchmentlike tissues tell us that sawflies have chewed through ...

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee gives tips on how to identify two species – honey locust and bur oak – from just the markings and scarring on leafless twigs.

MASON CITY — Some Mason City residents have reported a strange growth on their burr oak leaves of late. “I’ve seen them on leaves that fall infrequently over the years,” said Steve Hugo, of 721 Eighth ...