Mustard does not need coddling. Water regularly, but do not drown it. Too much love (water and rich fertilizer) makes the leaves bitter. A little benign neglect actually sharpens its spicy personality.
Mustard seeds have numerous uses and benefits: growing a mustard seed
Ideal for harvesting seeds, as lengthening days trigger the plant to flower and produce pods. Mustard does not need coddling
Mustard seeds are ready for harvest when the seed pods turn brown and dry. Cut the plants at the base, and tie them in small bunches. Hang the bunches upside down in a warm, dry place to allow the seeds to dry further. Once the seeds are completely dry, remove them from the pods and store them in an airtight container. growing a mustard seed