Rose of Sharon, Shrub Althea
Hibiscussyriacus 'Half Double Purple'

Family: Malvaceae (mal-VAY-see-ee)
Genus: Hibiscus (hi-BIS-kus)
Species: syriacus (seer-ee-AK-us)
Cultivar: Half Double Purple

Height

Spacing
8-10 ft. (2.4-3 m)

Hardiness

Sun Exposure
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Bloom Color
Sun to Partial Shade

Bloom Time

Foliage
Medium Purple

Other details
Mid Summer
Late Summer/Early Fall

Propagation Methods

Seed Collecting

Soil pH requirements

Patent Information

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow