Typically, a tropical hibiscus, Hibiscus rosa-sinensis, has glossy leaves and the perennial types, rose mallow hybrids, are flat. Holy Grail has dark green foliage that has been aging to purple.

Typically, a tropical hibiscus, Hibiscus rosa-sinensis, has glossy leaves and the perennial types, rose mallow hybrids are flat. ‘Holy Grail' has dark green foliage that has been aging to purple.

Holy Grail boasts dark-green foliage that has been aging to purple. The blooms are deep red, darker in the center and reach 8 to 9 inches across. Expect your plants to reach 4 to 5 feet tall, and ...

I would like to officially declare 2022 the Encore Year of the Hardy Hibiscus. ... At the start of last spring, I was only growing Summerific Holy Grail. In addition to French Vanilla, ...