If you depend upon impatiens for all-season color in containers or the garden, you may have been disappointed this summer. If your impatiens went down fast, it probably wasn’t the fault of the grower, the garden center, the droughty season or your own failing. The problem was a virulent strain of a water mold called downy mildew that has destroyed impatiens production in Europe and South Africa, and now has been confirmed in 20 states in America. Homeowners and businesses that expected masses of flowers instead saw masses of dying, ugly plants. Not all impatiens are alike, and this disease only infects some of them. Impatiens walleriana is the victim, known to many people as the...
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