Senecio vulgaris, commonly known as groundsel, is an herbaceous annual plant that belongs to the Asteraceae family. The plant appears in early spring and grows up to a height of 60 cm. The leaves are small and toothed, and the flowers are small and yellow. There are several synonyms for the plant, including old-man-in-the-spring, birdseed, and ragwort. These synonyms reflect the plant's diverse uses, such as providing food for birds and livestock or traditional medicine for various ailments. Senecio vulgaris can also be used as a natural insect repellent, making it a valuable plant in organic gardening.