Garden Detective: What does next year hold for impatiens?
Photo credit: Cornell University / M. Daughtrey | These impatiens are just starting to yellow and curl their leaves downward. There is formation of downy mildew spores on the undersides of the leaves.
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DEAR READERS: I'm hearing from so many of you who are concerned in the wake of my report on the fate of impatiens on Long Island. As difficult as it may be to accept, it is expected that the widely planted and well-loved annual will be affected by downy mildew if planted again next year, as the disease not only will survive winter in the soil, but also travels from plant to plant via airborne spores....
