Garlic Mustard, Hedge Garlic, Jack by the Hedge
Alliariapetiolata

Family: Brassicaceae (brass-ih-KAY-see-ee)
Genus: Alliaria (al-ee-AR-ee-uh)
Species: petiolata (pet-ee-oh-LAH-tuh)

Synonym:Alliaria officinalis

Category
Herbs

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

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Herbaceous
Shiny/Glossy

Foliage Color

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

Spacing
15-18 in. (38-45 cm)

Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
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)

Where to Grow

Danger
Handling plant may cause skin irritation or allergic reaction

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

Other details
May be a noxious weed or invasive

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
Non-patented

Propagation Methods

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds