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Horned Mustard is a Chinese heirloom from Southern China that brings both visual intrigue and culinary punch to cool-season gardens. This vigorous annual mustard forms distinctive horn-like projections along its leaf midribs, creating a striking appearance that's as memorable as its bright green, frilled foliage. It matures in just 40-49 days and thrives in zones 2-10, offering classic mustard pungency with exceptional cold tolerance that makes it reliable across diverse climates.
Full Sun
Moderate
2-10
24in H x ?in W
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High
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The defining feature is unmistakable: a rare 'horn' structure that develops in the center of each leaf's midrib, setting it apart from ordinary mustards. Its vigorous growth reaches 18-24 inches tall with bright green, heavily frilled leaves that deliver authentic mustard pungency. Remarkable cold hardiness combined with a quick 40-49 day harvest window means you can plant it in spring for early summer eating or in late summer for fall and even winter harvests in milder zones.
The frilled leaves are harvested young and tender for raw salads where their bright green color and classic mustard bite provide sharp contrast to milder greens. Older leaves can be cooked down as a potherb, where the pungency mellows into a pleasant sharpness that complements grains and legumes. The entire plant is edible and versatile enough for stir-fries, steaming, or blanching.
No timeline data available yet for this variety.
Start seeds indoors 4-6 weeks before your last spring frost, maintaining soil temperatures between 50-75°F. Transplant seedlings to the garden after hardening off, spacing them 6 inches apart.
Transplant seedlings after hardening off once soil has warmed to at least 50°F. Set plants 6 inches apart with 10 inches between rows. Horned Mustard establishes quickly and tolerates transplanting well.
Direct sow seeds in early spring as soon as soil is workable, or in late summer for fall and winter harvests. The variety's frost tolerance makes it excellent for late-season direct sowing in most zones.
Begin harvesting outer leaves once the plant is 6-8 inches tall, typically 40-49 days after sowing. Pinch off individual outer leaves at the base or harvest the entire plant by cutting just above soil level. Young, tender leaves deliver the best flavor and texture for salads. Harvest in the morning after dew dries for maximum crispness. The plant continues producing new growth after harvesting, allowing multiple pickings over several weeks.
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“This variety originates from Southern China, where it was cultivated as a distinctive vegetable crop valued for its unique morphology and resilience in cool climates. The horned leaf structure represents a botanical curiosity preserved through generations of Chinese farmers who recognized its combination of flavor intensity and growing vigor. As a heirloom and non-GMO variety, it has survived through traditional seed-saving practices and reached Western gardeners through heritage seed networks, representing a direct link to Chinese agricultural traditions.”