From Margery Daugherty, senior extension associate in the Plant Pathology and Plant-Microbe Biology Department:
Are garden centers in your area worried about what to tell home gardeners this spring about impatiens and their downy mildew problem? (See Impatiens downy mildew in the news for background on the problem.)
This may help: ‘Great Annuals For Shade’ brochures for home gardeners are now online. This colorful brochure describes shade annuals that can be used instead of garden impatiens and briefly discusses downy mildew. Two versions are available:
There’s also a factsheet on impatiens downy mildew for homeowners.