Erigeron Species, Canadian Horseweed, Fleabane, Hogweed
Conyzacanadensis

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Conyza (kon-NY-zuh)
Species: canadensis (ka-na-DEN-sis)

Synonym:Conyza canadensis

Category
Annuals
Biennials

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

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

Hardiness
Not Applicable

Where to Grow

Danger
Handling plant may cause skin irritation or allergic reaction

Bloom Color
White/Near White

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details
May be a noxious weed or invasive

Soil pH requirements

Patent Information

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

Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored