Hibiscus Flower Zone 4. These hibiscus plants for zone 4 have lots of big bright flowers that bloom in late summer. Foliage Type Dark near-black oval shaped leaves.
Below is a list of hibiscus varieties for zone 5. In cooler climates zones 4 to 6 hardy hibiscus will do best when planted near south-facing wall where they will receive plenty of sunlight and are protected from wind. Kopper King hardy to zones 4-10.
Sep 27 2012 Hardy Hibiscus Not the fussy tropical houseplants but tough hardy shrubs that light up gardens as far north as Zone 4 with flowers up to 12 inches across.
The flowers themselves are somewhat short lived but there are so many of them that the plant remains. 7 0 to 10 F Recently Added. Holy Grail PPAF CPBRAF. Berry Awesome Hibiscus Growing in zone 4 think Minnesota Wisconsin and the like to zone 9 tropical climates like Florida rose mallow bears some of the largest flowers of any perennials.