Rose of Sharon, Shrub Althea
Hibiscussyriacus 'Bicolor'

Height

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

Hardiness
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

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
Scarlet (dark red)
White/Near White

Other details
Mid Summer
Late Summer/Early Fall

Propagation Methods
Deciduous
Smooth

Seed Collecting

Soil pH requirements
From woody stem cuttings
From softwood cuttings
By grafting

Patent Information

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow