DEAR GARDEN COACH: I have roses that all had mildew, all year, even though they were all labeled “disease resistant.” I put systemic fertilizer and did some spray and it didn’t help. It did not keep ...

It seems to spring up overnight: powdery mildew. The splotchy white and gray dust covers the leaves and stems ofmany of the most popular plants. Woody perennials like lilacs,roses, azaleas, ...

It seems to spring up overnight: Powdery mildew. The splotchy white and gray dust covers the leaves and stems of many of the most popular plants. Woody perennials like lilacs, roses, azaleas, ...

Your description sounds a lot like powdery mildew, which is an easy disease to recognize, and it is common in the landscape at this time of year. It can be a problem that shows up on annuals, ...

Powdery mildews are a common, widespread and an easily recognizable disease that, when conditions are right, can infect a variety of trees (except conifers), shrubs, perennials, annuals, vegetables, ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

You might be noticing powdery mildew (a disease that causes a grayish, powdery film on leaves) in your garden. Common plants that could be affected are lilacs, phlox, bee balm, zinnias and nannyberry ...

Question: What is this white coating on the leaves of my chokecherry tree, and what would you recommend to get rid of it? Answer: The likely culprit for those symptoms at this time of year in New ...

It seems to spring up overnight: Powdery mildew. The splotchy white and gray dust covers the leaves and stems of many of the most popular plants. Woody perennials like lilacs, roses, azaleas, ...