RHS Other common names
autumn Helen flower, autumn sneezewort, dog fennel, smooth Helen flower, swamp sunflower, yellow star, ox eye, sneezeweed
Herbaceous Perennial
An upright, clump-forming perennial up to 1.5m or more high, with branched stems and ovate to lance-shaped green leaves, 10-15cm long, and flowers 5-7cm across with dark brown discs (yellow in the wild) surrounded by bright yellow rays, which bend downwards as the disc-florets open, from late summer to autumn; the flowers provide pollen for bees and nectar for bees and other insects
Position
Full sun
Soil Types
Chalk, Clay, Loam, Sand
Max Height
1-1.5 metres
Max Spread
0.1-0.5 metres