hibiscus outdoors in winter
How can I keep my Hibiscus alive outdoors during the winter in Georgia? What is your recommendation? They are too big to bring indoors.
You can certainly cut back the roots somewhat - this article has more information on root pruning: https://www.gardeningknowhow.com/houseplants/hpgen/prune-roots.htm
When root pruning, you should also cut back the foliage a proportionate amount. There are two approaches to overwintering indoors. 1., you can keep plant with foliage as a houseplant; 2., you can allow to go dormant and store in cool and dark place. This article has more information: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/wintering-hibiscus-indoors-winter-care-for-hibiscus.htm