|i bought 2 trays of periwinkles at a nursery. Almost before i planted them they wilted and never came back. They were never subjected to intense heat and were watered. This even happened a second time.
|Answer from NGA
March 3, 2011
|Madagascar Periwinkle is susceptible to a root rot wilt caused by a bacterium. If your plants wilted suddenly even though they were kept out of intense heat and the soil remained moist but not soggy wet, I'd suspect they developed this bacterial disease. There's no cure for the wilt once the plants contract the disease so be sure to toss the plants, the nursery tray and the potting soil so you don't introduce the pathogens into your garden soil. I hope you have better luck with your next batch of plants!
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