BES-TEX Weed ID Guide · Broadleaf Weeds
Senecio vulgaris
Common Name
Common Groundsel
Latin Name
Senecio vulgaris
Family
Asteraceae
Life Cycle / Type
Winter annual · Broadleaf
Common groundsel is a winter annual broadleaf weed with soft, lobed leaves and small yellow flower heads that do not have showy petals. It produces fluffy white seed heads similar to dandelion and spreads rapidly by seed. It commonly appears in thin turf, landscaped beds, and disturbed soil.
Common groundsel germinates as soils cool in the fall.
Below 55°F
Germination begins
Cool winter soils
Continued emergence
Decision Question
Missed fall pre-emergent timing
Bare or disturbed soil
Thin or stressed turf
A healthy, thick lawn is the best defense against weeds.