We’ve had a lot of rain. We already know that the rain has promoted fast growth and early blooms on perennials, trees and shrubs. It’s also contributed to disease problems, especially fungi, for many plants.
All the rain can cause the soil to be waterlogged, which means there’s decreased oxygen available for plants. A lack of oxygen can cause plants to drown. As of this writing, we’ve received 26.05 inches of rain. Our average is 19.65 inches.
“It is important to understand what is happening to plants growing in these conditions and what to expect later. I look at this as a wait-and-see situation,” wrote Rhonda Ferree, a horticulture educator at the University of Illinois Extension, in a recent report.
Visible injury to trees and shrubs may not show up for a year or two. Waterlogged soil deprives roots of oxygen, reducing the ability of trees or…