Hibiscus Species, Monarch Rose Mallow, October Rose, Ruby Hibiscus
Hibiscusradiatus

Synonym:Canhamo braziliensis

Synonym:Hibiscus lindleyi

Height

Spacing
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 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
Full Sun
Sun to Partial Shade
Light Shade

Bloom Time
Plant has spines or sharp edges; use extreme caution when handling

Foliage
Magenta (pink-purple)

Other details
Late Summer/Early Fall

Propagation Methods
Grown for foliage
Evergreen

Seed Collecting
May be a noxious weed or invasive

Soil pH requirements
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Patent Information

Foliage Color
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Wear gloves to protect hands when handling seeds

Bloom Characteristics

Water Requirements

Where to Grow