The large Hibiscus genus of over 200 species and many more cultivars includes annuals, perennials, shrubs, and small trees.

A tropical hibiscus growing in a pot needs regular fertilizing every two to three weeks during the growing season. There is a cold-hardy hibiscus, also known as “rose mallow” that you may find ...

However, it should be avoided if you're allergic to hibiscus flowers. Although it is perennial in very warm climates, roselle ...