30-60 days. Not really a mustard green, but very similar with a mild, spinach like flavor. Good to grow in late summer and fall. It sweetens as the weather cools.
Minimum of 300 seeds per packet.
Planting Depth: 1/8 inch
Plant Spacing: 6 inches
Row Spacing: 18 inches
Direct sow early in the spring as soon as the soil can be worked. Harvest before the summer heat for the best flavor. An additional crop can be started in late summer. In milder climates fall and winter plantings are possible.