Hibiscus Species, Sun Hibiscus, Wild Stock-Rose, Lemon Yellow Rose Mallow
Hibiscuscalyphyllus

Family: Malvaceae (mal-VAY-see-ee)
Genus: Hibiscus (hi-BIS-kus)
Species: calyphyllus (kal-ee-FIL-us)

Synonym:Hibiscus calycinus

Height

Spacing
4-6 ft. (1.2-1.8 m)

Hardiness
4-6 ft. (1.2-1.8 m)

Sun Exposure
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Bloom Color
Sun to Partial Shade

Bloom Time

Foliage
Pale Yellow
Green

Other details
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly

Propagation Methods
Herbaceous
Smooth

Seed Collecting

Soil pH requirements
From herbaceous stem cuttings
From seed; direct sow after last frost

Patent Information

Foliage Color
Allow seedheads to dry on plants; remove and collect seeds

Bloom Characteristics

Water Requirements

Where to Grow