Another way to reduce humidity in the plant canopy is by watering through drip irrigation or soaker hoses. This keeps ...

Both in neighboring home gardens and at my own home these days, I am seeing powdery mildew. Powdery mildew is a disease that causes a grayish, powdery film on leaves, but it is nothing to worry about ...

Whether to prune perennials in November depends on the type of plant. Plants with powdery mildew should be pruned in fall to prevent spread of disease. Leaving plant growth intact in spring can ...

High humidity and recent rain are creating perfect conditions for powdery mildew to spread on your garden plants.

Most gardeners are killing their zucchini harvest before it starts, and they don’t know it. The problem isn’t pests, bad soil, or a lack of sunshine. It’s the way the plant grows: flat on the ground, ...

The Plant Pick of the Week is a pair of double-petaled zinnias that bloom all summer and hardly ever get leaf disease.

An example of a cutback peony (left) and a peony leaf with powdery mildew and leaf spots. Q: My peonies were covered with powdery mildew and brown spots, so I cut them back. Will they come back next ...