Flowers. Tropical hibiscus (Hibiscus rosa-sinensis var. Cooperi) has variegated foliage in green, cream, and pink, as well as scarlet flowers that bloom on and off throughout the year. Unlike typical ...

Q. I have a hibiscus I call a ruffled bloom (others call it a double bloom) that has bloomed profusely for the last three years. It is blooming again this year, but the blooms are now single flowers.

Two questions: First, two of my double hibiscus plants have started producing single blooms this year. Why does this happen? Second, what can I spray to kill bad bugs and fire ants? Your hibiscus ...

Q. I think I will plant different-colored hibiscus along my drive next year. My daughter said there are two kinds: hardy and tropical. Which shall I buy, and when should I plant them? -- S.T., Houston ...

Jerry meets with Ida Dagan in Brisbane, a passionate collector, breeder and fan of the most tropical of flowers - the heavenly Hibiscus. Queensland is a world centre for hibiscus diversity, and Ida’s ...