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 ...

The Iowa Department of Natural Resources suggests immediately finishing pruning oak trees to prevent the spread of oak wilt.

“We typically suggest to stop pruning oaks around March 15,” explained Tivon Feeley, forest health program leader with the Iowa DNR. “The unseasonably warm February has moved up that date. Pruning oak ...

The Iowa Department of Natural Resources (DNR) suggests immediately finishing pruning oak trees to prevent the spread of oak wilt.