| Scientific Name: | Senecio vulgaris |
| Common Name: | groundsel |
| Family Name: | Asteraceae |
| Origin: | |
| Hardiness Zone: | Zone 6: (-23 to -18 °C) |
| Plant Type: | Annual, Weed (horticultural) |
| Mature Size: | 0.2 - 0.4m x 0.1 - 0.3m (height x width) |
| Habit: | Upright |
| Form: | Irregular |
| Texture: | Medium - fine |
| Landscape Uses: | |
| Exposure: | Full sun |
| Soil or Media: | |
| Leaves: | Simple, Sessile, Soft flexible, Pubescent, Oblanceolate, Dentate, Pinnately lobed |
| Flowers: | Small heads arranged in a cyme, Yellow, Jun-Jul-Aug-Sep |
| Fruit: | Cypsela (achene + calyx), White, Brown, Jun-Jul-Aug-Sep-Oct |
| Key ID Features: | |
| Leaves sessile with two rounded lobes at the base of the stem (auriculate) and sub-clasping above; flower heads ray-less with 8-10 small cylinder shaped disc florets (6-13mm) above a conspicuous ring of black tipped bracts forming the base of the inflorescence. | |