by Connie Oswald Stofko Margery Daughtrey, senior extension associate with Cornell University who co-wrote a fact sheet on how downy mildew affects impatiens, would like to know how your impatiens are doing. “I saw a photo last week of an impatiens in the Buffalo area with the distinctive white sporulation on the under-surface of the leaves– definitely downy mildew,” Daughtrey said. Daughtrey provided us last year with a photo showing the disease, which you can see below. “Have any of…
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