Sinapis arvensis
Habitat:
Fields, roadsides, waste ground
Season:
April – August
Identification:
Yellow flowers, peppery-smelling leaves.
Edible Parts:
Leaves, flowers, seeds
Uses:
Salads, greens, mustard seeds
Lookalikes & Cautions:
Part of the brassica family — generally safe.
Ethical Notes:
Best young; flavour intensifies with age.