Asiatic Witchweed

Striga asiatica

Asiatic Witchweed

Rebecca Norris, USDA APHIS PPQ

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orobanchaceae
Genus:
Striga
Species:
Striga asiatica

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
red, yellow

Native Range

United States: Guam, North Carolina, Palau, South Carolina

Host Plant for Caterpillars

Common Buckeye (Junonia coenia)

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
parasitic plant often found in disturbed soils