Hibiscus Plants
Q.

What to Do With Struggling Hibiscus

Zone ??? | pete12 added on September 1, 2011 | Answered

In southern England I have 3 hibiscus plants. The blue one is fine and thriving, but the 2 maroon coloured ones do not flower. The flower head starts to develop but stays very tight and very small. These two are in different parts of the garden. The flower petals stay so tight and small that they do not come out at all. Please help!

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on September 5, 2011

It sounds like you may have thrips. They are very small pests that attack the base of flower buds and cause them to fall off before they open. This article will help:
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm

There is also a possibility that they are not getting enough water. The plant will drop its flower buds if it is underwatered. It would not hurt to increase water to the plants for a bit and see if that helps.

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