Gardening:Tips to protect trees and shrubs this winter so they'll spring back next year Diagnosing oak wilt. Not all wilt symptoms on oak trees can be attributed to the fungus that causes oak wilt ...

Winter is the perfect time to prune oak trees. Oak trees are special for many reasons: they’re Iowa’s state tree, they’re important to our ecosystem and — they shouldn’t be pruned during ...

A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer. Skip to Article. Set weather. Back To Main Menu Close.

Trees in the white oak family exhibit less-defined symptoms. Sometimes, only a few branches will show symptoms -- the leaves will turn tan in color and cling to the branches. White oaks do not die ...

Not pruning an oak tree can leave it unhealthy and diseased, increasing the risk of dropping branches, especially during ...

Don’t prune your oak trees if you want to save them from this invasive disease Spring and summer are considered “the no-pruning season” for oak trees, to help stop the spread of oak wilt disease. By ...

According to the DNR, the best way to stop the spread of oak wilt is to avoid pruning your oak trees during the disease’s high-risk period, which is April 15 through July 15.