Growing your own basil lets you always have the fragrant herb on hand. But before you embark on your basil-growing journey, get to know these common problems.

Downy mildew is the most serious disease that infests basil. Harvesting basil Once air temperatures reach 80 degrees Fahrenheit, basil will really start leafing out.

Red leaf, Thai, and lemon-flavored basil varieties are less susceptible to downy mildew. Relatively new sweet basil varieties such as Devotion DMR, Obsession DMR, Passion DMR, Thunderstruck DMR ...

Another disease that can cause basil to wilt is called basil downy mildew. Leaves will wilt or curl and turn yellow, with a fuzzy purple or gray growth on the undersides of leaves.

Downy mildew. Basil is bothered by few pests and diseases. The most common disease which attacks basil is downy mildew, which will kill plants.

Downy mildew. Basil is bothered by few pests and diseases. The most common disease which attacks basil is downy mildew, which will kill plants.

Generally, the higher the temperature and the lower the moisture, the faster your soil will dry out. “When the weather is cooler, you’ll probably only need to water once a week, but start checking ...

A fungus spreading among the nation's basil crop may leave lovers of Italian and Thai food feeling a bit bland. Basil downy mildew first surfaced in the U.S. around 2007 and is slowly but surely ...

The study of basil downy mildew, caused by the oomycete Peronospora belbahrii, has evolved into a multidisciplinary field that integrates molecular biology, plant pathology and genetics. Research ...

Red leaf, Thai, and lemon-flavored basil varieties are less susceptible to downy mildew. Relatively new sweet basil varieties such as Devotion DMR, Obsession DMR, Passion DMR, Thunderstruck DMR ...

In 2007, basil downy mildew was identified in crops in Florida. “It was the first time it made its way to the United States, probably shipped in on contaminated seed,” Wyenandt says.