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Hibiscus Plants

Q.How to Winter Hibiscus Outdoors in Zone 5

Zone 5 | aisha added on September 25, 2012 | Answered

How do you winterize a hibiscus in zone 5? Is it possible to leave it outside if the temperatures sometimes gets down to 10 or 20 degrees? Can it be covered with burlap or something so it doesn’t have to come indoors? I have 2 and a very small house. Any tips would be welcomed.

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Certified GKH Gardening Expert
Answered on September 26, 2012

If it is a hardy hibiscus, then it can stay outside to Zone 5. The hardy varieties don't need any special treatment, though wrapping or mulching of the plant in colder zones is fine. If it is a tropical hibiscus, it must be brought in for the winter. These plants will not tolerate more than a night or two of light freezes. Even one hard freeze (below 25) could kill the plant. If you are unsure of what you have, I would grow it in a container indoors just to be safe.

Here is more info: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/wintering-hibiscus-indoors-winter-care-for-hibiscus.htm

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