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, ...

A stunning mixture of pink and purple hydrangeas - Fanpro/Getty Images Hydrangeas are a favorite flowering shrub among gardeners. With their dark green leaves and big, showy blossoms in shades ranging ...

One of the best parts about having a garden in the summer is watching your plants grow throughout the season. But if you’re out gazing at your garden one day and notice some white circular spots on ...

Q: Last year my grapes had such bad powdery mildew that even the grapes dried up and looked moldy and shriveled. I was told by the master gardeners at the farmer’s market that I needed to do something ...

Powdery mildew – or PM – can be a farmer’s worst nightmare. The mildew is easy to spot as it appears on the leaf as a matte-white frost—almost like that fake snow spray you often see around Christmas ...

The grayish white powdery growth you are seeing on the dahlia leaves is caused by a fungus and can also be a common garden problem on other plants. Many species of fungi can cause powdery mildew on ...

SEATTLE — Seattle gardening expert Ciscoe Morris has gathered some common kitchen ingredients to solve a common gardening problem, not start a kitchen show. "This rose is called Oso Easy,” Ciscoe said ...

It creeps into the garden on humid summer nights, coating leaves with ghostly white: powdery mildew. From bee balm to phlox and lilacs to apple trees, hundreds of common garden plants can be ...

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, ...

A research team has identified two novel genetic mechanisms for disease resistance in wheat, offering promising strategies to enhance resilience against powdery mildew and stripe rust. The discoveries ...

The worldwide distribution of one of the most important cereal pathogens is the result of human activity. Researchers have traced the history and spread of wheat powdery mildew along wheat trade ...