Vegetable Burdock
Arctiumlappa 'Shirohada'

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Arctium (ARK-tee-um)
Species: lappa (LAP-uh)
Cultivar: Shirohada

Category
Vegetables
Herbs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Succulent

Foliage Color

Height
18-24 in. (45-60 cm)

Spacing
3-6 in. (7-15 cm)
18-24 in. (45-60 cm)

Hardiness
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)
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

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored