Days to Germination:6-14 days
Mustard is easy to grow in cool weather. Direct-sow outdoors in early spring as soon as the soil can be worked and/or in late summer for fall harvest. Mustard is best planted in full sun in fertile, well-draining soil. Keep the seedbed moist and well-weeded until seedlings emerge. Once they are 3" to 4" tall, thin plants to 4" to 6" apart. Keep evenly moist. After blooming, watch for developing seedpods: begin harvesting the seedpods before they open and drop, as Mustard readily self-sows. Store the seedpods in paper bags and hang them to cure in a warm, dry place. When the pods turn into brown husks, thresh them (separate the seed from the pods). Rub the pods between your palms over a large container to release the seeds. Put the seeds and their chaff through a sieve just large enough to let the seeds pass through, then discard the chaff.