How To Care For Hibiscus In Winter Outdoors. If your hibiscus has dull medium green heart shaped leaves dinner plate sized white pink or red flowers with HUGE bomb shaped buds 2-4 in length it is a perennial hardy hibiscus. To help them survive the cold cover the plants with a thick 8- to 12 inch layer of mulch.
Indeed a hibiscus cannot survive temperatures below 40F 5C and can only make it through the winter in climates where it strictly never freezes. Water the hibiscus regularly during warm weather when the plant is in bloom. Inspect the hibiscus for insect infestation.
Watering Tips for Care for Hibiscus in the Winter The first thing to remember about hibiscus winter care is that hibiscus in the winter will need less water than it does in the summer.
If your hibiscus has dull medium green heart shaped leaves dinner plate sized white pink or red flowers with HUGE bomb shaped buds 2-4 in length it is a perennial hardy hibiscus. How to Winterize a Hibiscus Plant. Indeed a hibiscus cannot survive temperatures below 40F 5C and can only make it through the winter in climates where it strictly never freezes. Garden Savvy - YouTube.