mildew
- By George Bonnema, Luverne HorticulturalistOctober 03, 2016Impatiens have been the best choice for an annual that will produce fantastic color in shaded areas. Now we may have to go for another option. Recently, I have noticed impatiens that have suddenly lost all of their leaves and are naked stalks. The cause is downy mildew. This fungus moved into our area a couple of years ago. It can attack the plants at any stage in the growing season and is aided…
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