Mustard is a cool-weather crop; therefore, sow the seeds directly outside in the spring as soon as the ground can be worked (the soil is soft enough to dig into without great difficultly). Or wait until the fall to plant your seeds. If starting mustard in the spring or the fall, choose a spot with full sun. If starting in the summer, choose a spot with partial shade. To get your seeds growing quickly, keep the soil around them moist. As the plant gets big enough to harvest, pick the outer leaves regularly. This will keep the harvest going for a longer period of time.
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