An expert rosarian offers advice on how to block or minimize powdery mildew, black spot, rust and more in San Diego gardens.

Powdery mildew is common plant disease that can quickly make a mess of your roses. It shows up as a dusty white coating on the plant’s leaves, stems, and buds. Powdery mildew won’t kill your roses, ...

It can be scary when your plants are sickly. Some diseases can be managed while others are detrimental, so it's important to ...

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 ...

CORVALLIS – Mild winter weather will most likely coax roses into bloom early, which means dealing with the usual diseases and pests earlier, too. When it comes to one of the country’s most popular ...

There's an organic solution that gets rid of powdery mildew fast and fights pests at the same time. It's my go-to spray for ...

FORT WAYNE, Ind. (WANE) — Now is the time of year, you’re likely to notice problem insects and plant diseases in your garden. With warmer than average temps, the threat of drought, notwithstanding ...

HORTICULTURAL beauty of the rose often depends as much on the foliage as upon the flowers. Powdery mildew caused by the fungus Spaerotheca pannosa is a very widespread trouble upon the leaves, ...

Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching infections early is key to stopping them from spreading by removing diseased parts and applying ...