Succeeds in full sun in a well-drained fertile preferably alkaline soil. Succeeds in any reasonable soil but prefers one on the heavy side. Tolerates a pH in the range 4.8 to 8.3. This is the wild form of the turnip with a non-tuberous tap-root. It is closely related to the cultivated forms that are grown for their edible oil-bearing seeds.

Leaves - raw or cooked. A strong radish/cabbage flavor. An edible oil is obtained from the seed, it is best when cold pressed. Some varieties are rich in erucic acid which can be harmful.

Seed - sow spring or autumn in situ.

River banks, arable and waste land.