Hibiscus Plants

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  1. Can You Separate Hibiscus Plants
  2. Planting Hibiscus
  3. Winter Care for Outdoor Hibiscus
  4. Hibiscus
  5. Pruning Hibiscus
  6. Aphids On My Hibiscus
  7. Cutting Hibiscus Back for the Winter
Asked by lavonne on October 19, 2011
Can You Separate Hibiscus Plants

Can you separate hibiscus plants?

ANSWERS
Nikki
Certified GKH Gardening Expert

Unless they are "growing" by putting out suckers (stems from the ground), you cannot divide them. You would be better off pruning to control their size, should overgrowth be the case. This article will help with that:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/tips-for-pruning-hibiscus-plants-when-to-prune-hibiscus.htm

If you are simply wanting to produce more plants, this article will help: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-propagation.htm

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Asked by dori on October 19, 2011
Planting Hibiscus

How do I plant hibiscus roots and how deep?

ANSWERS
Heather
Certified GKH Gardening Expert

You should plant the plant at the same level that it grew in the pot. If it is bare rooted and is not in a pot, you should be able to see a faint line above the root system that indicates where the plant was planted when it was in the soil.

To plant, dig a hole, place the plant into the hole so that it is sitting at the proper depth. Then backfill over the roots. Pat the soil down well (some people even step on the soil) to collapse any air pockets. Then water thoroughly.

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Asked by Anonymous on October 19, 2011
Winter Care for Outdoor Hibiscus

How should an outdoor hibiscus be cared for in winter during freeze conditions?

ANSWERS
Nikki
Certified GKH Gardening Expert

Hardy hibiscus typically does not need any additional care in the winter. If the plantings are new, you can mulch around the base of the plant to ensure that the new planting establishes properly.

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Asked by Anonymous on October 19, 2011
Hibiscus

Trying for the first time to keep my tropical hibiscus through the winter. Should the plant be cut back? And does it need direct sun?

ANSWERS
Nikki
Certified GKH Gardening Expert
Celia

Need to keep in the groung and cut all the way down and cover with mulch,if it's to tall the branches freeze right into the root if it gets into teens and 20s,same with mandavilla vines ,angel trumpets etc. Anything tropical!

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Asked by Anonymous on October 20, 2011
Pruning Hibiscus

I have read your instructions on pruning hibiscus, and just want to know if they apply to all areas? I live in southwest Florida. I have one bush with yellowing leaves and buds falling off. It is very out of shape and I did cut it back a little in the spring.

ANSWERS
Nikki
Certified GKH Gardening Expert

Yes, it pretty much applies to all areas with a few exceptions. First, tropical types, which usually winter over indoors, can be trimmed up prior to bringing them inside in fall--though any hard pruning should wait till spring once returned outdoors. In your area and others like it where winters are generally mild, you can usually get by with pruning your outdoor hibiscus plants a bit and still be ok. However, I would still recommend that you trim a little for shape but hold off on any major pruning until spring, just in case you have an unexpected cold spell. This will offer a little protection to the plant.

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Asked by Anonymous on October 20, 2011
Aphids on My Hibiscus

It’s mid October and my hibiscus are being infected by aphids. I have had a few in the past, but it seems that in the past week the plants are being covered by them. What can I do to stop them? Is there any type of systemic treatment I can do? Or is my only hope to spray and spray them? I prefer to use an organic remedy, but I’m not sure they will work. Please help.

ANSWERS
Nikki
Certified GKH Gardening Expert

This article will help: https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm

This time of year, spraying the trees down with a pressured hose to knock the aphids off may be enough to get rid of them.

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Asked by Anonymous on October 22, 2011
Cutting Hibiscus Back for the Winter

I live in Concord, NC and want to know if my hibiscus plants should be cut back for the winter and how far back I should cut them. Also, I would like to know when to cut my rose bushes back and how far back I should cut them. I also want to dig up and split my calla lilies and need to know when to do that.

ANSWERS
Nikki
Certified GKH Gardening Expert

It is better to wait for spring to prune hibiscus, unless you plan on bringing them indoors. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/tips-for-pruning-hibiscus-plants-when-to-prune-hibiscus.htm

This article will help with your roses: https://www.gardeningknowhow.com/ornamental/flowers/roses/pruning-roses.htm

As for the calla lilies, it is best to wait until spring to dig up and divide the rhizomes. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/bulbs/calla-lily/growing-calla-lilies-and-care-of-calla-lilies.htm

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