Ageratina Species, Western Snakeroot, Western Thoroughwort
Ageratinaoccidentalis

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Ageratina (ad-jur-uh-TY-nuh)
Species: occidentalis (ok-sih-den-TAY-liss)

Synonym:Eupatorium occidentale

Synonym:Kyrstenia occidentalis

Category
Perennials

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage

Foliage Color

Height

Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
Pink
Magenta (pink-purple)

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
By dividing the rootball
From seed; sow indoors before last frost

Seed Collecting