Their colorful flowers can be as big as ... flowers. Hardy hibiscus (Hibiscus moscheutos), also known as swamp mallow and rose mallow, comes in a rainbow of colors, from bright red to orange ...

One thing that's important to keep in mind is that hardy hibiscus plants can survive year-round in their allotted zones, while tropical varieties will not survive freezing temperatures.

There is no denying that south Louisiana gardeners are big fans ... tropical hibiscus for glossy, dark green foliage and nonstop flowers in amazing patterns and combinations of red, pink, yellow ...