Cynara, Artichoke, Cardoon
Cynarascolymus 'Opera'

Category
Vegetables

Water Requirements

Sun Exposure
Full Sun

Foliage

Foliage Color

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

Spacing
4-6 ft. (1.2-1.8 m)

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
N/A

Bloom Color

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Propagation Methods
From seed; sow indoors before last frost

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed