Hybrid Komatsuna Mustard is a cool-season annual that brings mild, complex flavor to gardens across zones 2-10. This Asian mustard green grows quickly, reaching harvest in just 30-39 days in warm climates, with tender upright foliage that matures at 18-24 inches tall. Its flavor profile combines the gentle heat of mustard with spinach-like earthiness, making it far more approachable than spicier mustard varieties. Cold-tolerant and easy to grow, it thrives in full sun and can be direct-sown in succession throughout the season for continuous harvests.
Full Sun
Moderate
2-10
24in H x ?in W
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Moderate
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This hybrid variety tastes like mild Asian mustard crossed with spinach, a flavor that appeals to gardeners wary of traditional mustard's bite. It grows remarkably fast, ready to harvest in just over a month even in cooler weather, and its frost tolerance means you can push the season in spring and extend harvests deep into fall. The mild taste and tender texture make it genuinely versatile, equally at home in stir-fries, salads, or wilted as a side green.
Komatsuna leaves are eaten fresh in salads or cooked into stir-fries, where their mild mustard flavor and tender texture shine without overwhelming other ingredients. They wilt beautifully as a side green, much like spinach, and can be harvested young as baby leaves for salads or left to mature for heartier cooked preparations.
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Direct sow seeds outdoors when soil temperatures reach 55-70°F in spring or summer. Sow at the appropriate depth and thin seedlings to proper spacing once they develop true leaves. In mild-winter areas, you can direct sow throughout the season for continuous harvests.
Begin harvesting outer leaves once the plant reaches usable size, typically 30-40 days after sowing in warm climates or 50-60 days in cold climates. You can harvest individual leaves from the outside of the plant to encourage continued growth, or cut the entire plant near the base when it reaches mature size. Young leaves can be picked for tender salad greens; mature leaves are ideal for cooking.
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