Back in March 2013 I wrote an article (Impatiens Downy Mildew) about the downy mildew disease which has been devastating impatiens. There is still no cure and you'll likely not find Impatiens Walleriana in the greenhouses this year either. Your best bet is to substitute the impatiens with a variety that is resistant such as New Guinea Impatiens (impatiens x hawkin) or substitute with another shade loving plant. Pansies, sweet alyssum, forget me nots, begonias, ageratum, fuchsia, caladiums, and coleus are a few you may want to consider instead.
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| Fuchsia in a hanging basket offers an enormous pop of colour in the shade. |
For more information see:
http://www.torontomastergardeners.ca/index.php/disease-alert-impatiens-downy-mildew/
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