Streptanthus Species, Smooth Jewelflower, Smooth Twistflower
Streptanthushyacinthoides

Family: Brassicaceae (brass-ih-KAY-see-ee)
Genus: Streptanthus (strep-TAN-thus)
Species: hyacinthoides (hy-uh-sin-THOY-deez)

Synonym:Erysimum hyacinthoides

Synonym:Streptanthus glabrifolius

Category
Annuals

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
36-48 in. (90-120 cm)

Spacing

Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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
Pink

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

Other details

Soil pH requirements

Patent Information

Propagation Methods
From seed; direct sow after last frost

Seed Collecting