When drought conditions put stress on trees, they’re more vulnerable to viruses and pests ... we have oak wilt, which is our number one outright tree killer,” he said.

White Oak bonsai trees are generally resistant to pests and diseases. However, you should inspect your tree regularly for signs of infestation or disease. Common pests that can affect White Oak ...

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

JR Davis, an arborist with Davey Tree Service in Monroe, talks about tree pruning and common diseases, including a new one likely heading this way.