Horseweed
Erigeron canadensis
Family: AsteraceaeNative: North America and Central AmericaIdentified: Apr 11, 2026
A common annual weed featuring a basal rosette of narrow, toothed, green leaves that eventually sends up a tall, hairy central stalk with numerous small white and yellow flower heads.
Learn more about Horseweed in the encyclopedia →Care instructions
This plant is typically considered an opportunistic weed and requires no intentional care. It thrives in full sun and disturbed soil, is highly drought-tolerant, and spreads rapidly via wind-blown seeds.