Gardenia Plants
Q.

White, Sticky ‘Cotton-Like’ Substance on Gardenia Plant

Anonymous added on June 18, 2011 | Answered

What is this substance and how do I remove or eliminate it from my gardenia plant?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on June 20, 2011

Gardenias are vulnerable to various insects including: Aphids, Mealy bugs, Scales, Spider Mites, Thrips, and Whiteflies. Many of these pests secrete a sticky substance known as honeydew. If it’s cotton-like in appearance, then most likely your problem is due to mealy bugs. Here is a link you may find helpful in treating this pest problem:
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm

You can also try neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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