 | Kopper King Hardy Hibiscus. The Kopper King Hardy Hibiscus (Hibiscus x moscheutos 'Kopper King') has some of the biggest flowers available on the perennial market today. They commonly grow to dinner plate size - a foot or more across! These Hollyhock-like flowers have five petals and come in shades of light pink, with red central eyes and red veins throughout the petals. Pollinators will come from far and wide to sip nectar, and Hummingbirds will appreciate the elongated tubular stamen that acts as a perch while they visit... - Kopper King Hardy Hibiscus. |