Hostas and Southern Blight - Knowledgebase Question

Lowndesboro, Al
Question by tigrtail
May 5, 2009
10 yr ago As a deep south gardener, I was told I could not raise Hostas. I now have over 500 in various gardens. I usually lost 3 to 5 hostas a year to Southern Blight or crown rot.

I have found 2 effective products that have helped me stamp out the fungus.
Regular clorine bleech at 10 to 25 pct solution and Prostar 50/70 sprayed 3 times per yr stops SB.
Got any other solutions to SB?


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Answer from NGA
May 5, 2009

0

I'm glad to hear you've managed to avoid southern blight on your hostas. It is typically not responsive to fungicides - once you determine your plant has it, it's too late - but soil fumigation is often used to kill the soilborne pathogens. I think your bleach solution is probably what is keeping the pathogens from moving in the soil. I don't have any other control suggestions, but best wishes with your hostas~

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