Q.
Fungus on Mandevilla – How to Treat
My mandevilla has brown spots on leaves. . . either a blight or fungus I assume. How do you treat it? Also, what is the best fertilizer for it?
A.

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on July 12, 2011
If this is a fungus, neem oil will help. For fertilizer and general care of this plant, here is more information: https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-plant.htm
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