Laennecia Species, Coulter's Horseweed
Laenneciacoulteri

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Laennecia (lay-en-NEK-ee-a)
Species: coulteri (kol-TER-ee-eye)

Synonym:Conyza coulteri

Category
Annuals
Herbs

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

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous
Succulent

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness
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)

Where to Grow
Can be grown as an annual

Danger

Bloom Color
Bright Yellow
Inconspicuous/none

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements

Patent Information

Propagation Methods

Seed Collecting