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PLNA e-News: Plants, Pests & Diseases

Impatiens Downy Mildew Found in Pennsylvania - Again

Wednesday, May 28, 2014   (0 Comments)
Posted by: Gregg Robertson
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Impatiens Downy MildewHARRISBURG – In 2012, impatiens downy mildew (Plasmopara obducens) just about wiped out impatiens planted in the managed landscape.

Now it’s back.

The Pennsylvania Department of Agriculture has found impatiens downy mildew in greenhouses and garden centers in several regions of the state this spring.

PDA and Penn State recommend following practices for controlling impatiens downy mildew that can be found on the Michigan State Extension website.

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