Hibiscus Plants


Eleanor J Nave added on April 29, 2017 | Answered

what causes the Hibiscus plantbuds to get a dirty looking sand like substance to cover them? I can get some of it off by rubbing it but it does return.

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Certified GKH Gardening Expert
Answered on May 2, 2017

This could be scale, mealy bugs, a fungus or a combination of those things. Either way I'd treat the plant with neem oil. This article may help:

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