Mustard greens bring a lively edge to the cool-season garden, their broad leaves carrying flavors that range from gently peppery to bold and bracing. Grown for centuries across Asia, Africa, and Europe, they remain one of the quickest ways to turn a handful of seed into a generous harvest.
Varieties may be smooth, curled, deeply frilled, green, red, or purple. Mustard grows rapidly in cool weather, offering tender baby leaves first and fuller, more strongly flavored greens as the plants mature.
Growing Guide
Timing
Direct sow mustard greens about 3–5 weeks before the expected last spring frost, once the soil can be worked. Seeds germinate readily in cool soil, and many varieties are ready for baby-leaf harvest in only a few weeks.
Make small sowings every 1–2 weeks while weather remains mild. Sow again in late summer for fall harvest. Mustard tolerates light frost, but sustained heat encourages bolting and gives the leaves a sharper flavor.
Sowing & Starting
Sow seeds about ¼–½ inch deep and keep the seedbed evenly moist until seedlings emerge. Thin plants to 4–6 inches apart for mature leaves, or leave them closer for baby greens.
Mustard is usually best direct sown because it grows quickly and establishes easily. Use the thinnings in salads rather than allowing crowded seedlings to compete.
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