New Downy Mildew Resistant Impatiens Cultivars

Almost 10 years ago, northern gardeners witnessed an unusual disease attack classic garden impatiens, the best-selling shade-tolerant bedding plant. Infection caused the total collapse and, ultimately, death of plantings. It moved easily by wind and rain, and would lay dormant in garden soils, ready to infect the next year’s plantings. No chemical spray or change…

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