Groundsel (Senecio vulgaris). Photo: Betty Marose

Updated: February 27, 2023

Life cycle

Winter or summer annual

Growth habit

Erect, much-branched, 6 - 18 in.; leaves irregularly toothed, deeply lobed to dissected, somewhat fleshy


Flower heads with many yellow disk flowers followed by fluffy pappus which aids in wind dispersal of seeds; 3 to 4 generations can be produced in one season

Conditions that favor growth

Moist, nutrient-rich soil

Cultural control 

Manual cultivation before plants flower and produce seed


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