Genus: Hibiscus

Hibiscus

Photo/Illustration: 
Jennifer Benner
(Hibiscus)
hy-BIS-kus
Malvaceae
Hibiscus is a large genus of more than 200 species of shrubs, trees, annuals, and perennials from warm-temperate, subtropical, and tropical areas around the world. From spring to autumn, they bear showy, often large, brightly colored or white flowers, often with contrasting marks or prominent, colorful stamens. Flowers are generally funnel-shaped with 5 or more large petals. Grow these beauties in a sunny border, in a container, or in a greenhouse.
Noteworthy characteristics:  Large, funnel-shaped flowers in shades of red, pink, purple, blue, yellow, or white.
Care:  In the garden, grow in full sun and rich, moist but well-drained soil with a neutral to slightly alkaline pH. Under glass, grow in bright filtered light in a site with moderate humidity and good ventiliation. Water sparingly in winter.
Propagation: 

In spring, sow seed at 55-64°F. Perennials may be divided in spring. Shrubs may be propagated from greenwood cuttings in late spring, or semi-ripe cuttings in summer. Plants may also be layered in spring or summer.

Problems: 

Hibiscus are prone to rust, fungal leaf spots, bacterial blight, Verticillium wilt, viruses, and stem and root rots. Whiteflies, aphids, mealybugs, scale insects, mites, Japanese beetles, and caterpillars can also be troublesome.

Species, varieties and clutivars for genus Hibiscus

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Hibiscus 'Kopper King'
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Common rose mallow
Hibiscus moscheutos and cvs.
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Chinese hibiscus
Hibiscus rosa-sinensis
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Rose of Sharon
Hibiscus syriacus and cvs.
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
'Diana' Rose of Sharon
Hibiscus syriacus 'Diana'
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Flower-of-an-hour
Hibiscus trionum