Hibiscus Plants
Q.

Houseplants exposed to 40 degree indoor temp

Zone Poland Ohio | Martie added on January 31, 2018 | Answered

Hello, I returned from a 5 day trip and found that our furnace was not working. The indoor temp was 40 degrees! I lost a number of houseplants, but my hibiscus plants have almost no leaves on them, and appear to be infested with aphids. I already have cut them back by 1/3, showered them, and applied insecticidal granules to the soil. It's a long time until June; is there any hope? Thanks

A.
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BushDoctor
Certified GKH Gardening Expert
Answered on February 1, 2018

You do not want to prune hibiscus until right before you put them out for spring. It is common for one to lose its leaves indoors anyways. The lack of humidity forces it into a semi dormant state. The only thing you can do now is water it when it is bone dry only, and wait until you can put it outside. It is very possible that it will not survive with the early pruning, but anything that can be done will be on its own.

Here is an article for more information: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/tips-for-pruning-hibiscus-plants-when-to-prune-hibiscus.htm

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