Hibiscus Plants
Q.

Hibiscus

Zone Greenacres, Florida 33463 | 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.

A.
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DLarum
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:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-sticky-leaves.htm

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