Tag Archives: impatiens downy mildew

Impatiens Downy Mildew Returns

Impatiens Downy Mildew, which began significantly impacting landscape plantings in 2011, is back again in 2012. Or possibly it never actually went away. Cornell’s Margery Daughtery and Ann Chase of Chase Consulting co-presented on recognition and management of Downy and Powdery Mildews Saturday at OFA Short Course, and Daughtery says the situation is already as

7 Tips For Protecting Impatiens From Downy Mildew

Last year’s outbreak of downy mildew in Europe virtually destroyed the crop and caused garden centers and mail-order catalogs to discontinue stocking it in favor of less problematic crops. A nationwide outbreak here in the United States is probably a stretch because regions experience vastly different environmental conditions. Still, downy mildew was spotted on impatiens

Will Impatiens Sales Be Hurt By Downy Mildew This Spring?

Downy mildew alerts have been going out to growers around the country to make sure preventative measures are taken so the United States does not suffer the fate of Europe, where impatiens sales have dipped dramatically because of the disease. In 2011, downy mildew was a big enough problem that news headlines like: “Disease killing

Your Impatiens Might Have Downy Mildew If …

Growers across the country are scrambling for solutions, with the discovery of downy mildew on impatiens in the U.S. landscape. Look for these symptoms in the greenhouse when you’re scouting your impatiens crop this year: • Plant foliage that’s yellowish or pale green in color • Leaves that curl downward • Leaves that are distorted

How To Overcome Downy Mildew Spread On Impatiens

The town of Saratoga, N.Y., has observed downy mildew on Impatiens walleriana in public and private gardens for about three years. So it was only a matter of time, Margery Daughtrey thought, before downy mildew arrived about 250 miles southeast in Riverhead, N.Y. Downy mildew on impatiens officially arrived late this summer, around mid-September, when