Scientific Name: Hibiscus rosa-sinensis L.
Show Larger Picture
Recommended Temperature Zone:|
Frost Tolerance: Semi-tender in Phoenix, can use protection on coldest nights
Sun Exposure: Full sun
Growth Habits: Evergreen shrub, up to 15 feet tall (4.5 m); leaves variable, depending of the cultivar.
Watering Needs: Regular water
Propagation: Heeled cuttings under mist, low branch layering, seeds
Most hibiscus in Phoenix suffer from some frost damage in winter but recover in spring.
The Hibiscus request frequent deep watering, but good drainage. It is sensitive to root rot if the ground stays soaked. Check regularly for aphids and mealy bugs, and fertilize.
The flowers last only a day or two, but they are produced in abundance most of the year.
The success of cuttings depends heavily on the variety. Even for easy varieties, the cuttings might takes 2 or 3 months to start growing, showing that their have developed a root system. Be patient. Use layering or air layering for the more difficult varieties.
Graft in spring using whip grafting or side grafting.