Hibiscus Flower Zone. These perennial shrubs can withstand freezing temperatures as low as -20F -29C. All these new hybrid hibiscus are descendants of the small hibiscus flowers.
Zone 4 is the coldest zone where hibiscus are found. Jul 30 2020 A ratio of 10412 or 12418 is appropriate for hibiscus growing in zone 9. Some varieties are even hardy in zone 4 allowing you to bring a tropical flair to even the coldest of regions.
Hibiscus are a highly versatile plant as well making an excellent addition to a perennial garden cut arrangement or container a stand-alone planting or even grown as a hedge.
The common form has white blooms but there are numerous cultivars from which to choose. Dinner plate hibiscus is almost always grown for its very large showy flowers. Sep 21 2017 Hibiscus flowers of differing species and varieties thrive in United States Department of Agriculture Plant Hardiness Zones 4 through 11. To order call Winn 954-782-0741.