Adding a perennial hardy hibiscus (Hibiscus moscheutos) to your garden will bring you year after year of huge flowers in shades of white, pink, red, or burgundy from midsummer to early fall. Learn more about this spectacular bloomer and 10 tips to keep it thriving., If you’re like us and can’t wait for the hibiscus to come back, you might be wondering, “when does hibiscus come back?” The answer is that they typically start blooming in late spring or early summer., Hibiscus that come back every year include rose mallow and rose of Sharon. While different species, both fall into the catchall moniker “ hardy hibiscus,” though it most often refers to rose mallow. Rose mallow brings the tropical look to the perennial garden with dinner-plate-sized flowers., Some of the hibiscus plants come back every year while others do not. As hibiscus has a large species base, it has both perennial and annual plants. The annual plants include the tropical hibiscus species. On the other hand, the perennial plants include the hardy hibiscus species., In some areas of the south, Confederate roses and other perennial hibiscus die back to the ground in the winter, eliminating the need for pruning. In more temperate climates, though, deadhead the blossoms before they go to seed. In the spring, prune the plants to remove dead and diseased limbs, old canes and branches that rub against each other., .