Calotropis Species, Crown Flower, Giant Calotrope, Giant Milkweed, Swallow-Wort
Calotropisgigantea

Family: Apocynaceae (a-pos-ih-NAY-see-ee)
Genus: Calotropis (kal-LOW-troh-pis)
Species: gigantea (jy-GAN-tee-uh)

Synonym:Asclepias gigantea

Category

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage

Foliage Color
Medium Green

Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Spacing

Hardiness
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)

Where to Grow

Danger

Bloom Color
Lavender
Medium Purple
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements

Patent Information

Propagation Methods

Seed Collecting