Begonia Plants - Knowledgebase Question

Scotts Valley, Ca
Avatar for rkpalo
Question by rkpalo
July 20, 2009
My Begonia Plants have suddenly developed large grayish, moldy looking patches on their leaves. THey are in pots and still blooming, but looking wilted. The soil is good, I put in continuous fertilizer spikes when I planted. They have been kept well watered and well drained. What is it? and what do I do about? Thank You VERY Much for your assistance. Rita Palo


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Answer from NGA
July 20, 2009
It sounds as if your plant has a fungal disease known as gray mold. This is brought on by too much moisture, overwatering, or too high a humidity?usually it is initiated by a wound of some sort. You can try using a fungicide, but I'd also suggest pinching off the affected leaves to keep the fungus from spreading. Your plants may look a little lopsided after pinching off the affected leaves but they should recover and replace the lost leaves. Good luck with your begonias!

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