Mibuna Green Spray Mustard is a Japanese hybrid green that brings sophisticated flavor and elegant appearance to cool and warm season gardens across zones 2-10. Unlike its close relative mizuna, this Brassica rapa variety develops smooth, pointed leaves with a distinctly stronger mustard character that's more complex on the palate. Ready to harvest in just 30-39 days, it grows as a compact rosette reaching 18-24 inches tall, making it equally at home in garden beds or containers where it creates an attractive visual display alongside its culinary appeal.
Full Sun
Moderate
2-10
24in H x ?in W
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Moderate
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This hybrid delivers a more nuanced mustard profile than mizuna, with a mild yet distinctly layered flavor that deepens the complexity of salads and cooked greens. The smooth, pointed foliage creates an ornamental quality while remaining tender enough for raw consumption, and its rapid maturity means you can succession plant through spring and fall for nearly continuous harvests. Frost tolerance and its ability to thrive in both cool and warm seasons give gardeners remarkable flexibility in timing, whether you're planting early spring or late summer crops.
Harvest these tender leaves for fresh salads where their mild mustard flavor adds a sophisticated edge without overwhelming delicate lettuces. They excel in cooked preparations, stir-fried, sautéed with garlic, or added to soups in the final minutes where their smooth texture softens beautifully while retaining their distinctive flavor. The attractive foliage also serves ornamental purposes in salad gardens and landscape plantings.
No timeline data available yet for this variety.
Start seeds indoors in containers 4-6 weeks before your desired transplant date, keeping soil temperature between 55-70°F. Seeds will germinate and develop quickly at these temperatures.
Transplant seedlings outdoors once they've developed 2-3 true leaves and soil has warmed to at least 55°F. Space plants 6 inches apart with 8 inches between rows. Handle transplants gently to avoid root disturbance.
Direct sow seeds into prepared garden beds or containers when soil temperature reaches 55-70°F. Sow seeds thinly along rows spaced 8 inches apart.
Begin harvesting outer leaves when plants reach 4-6 inches tall, typically 30-39 days after sowing. Pinch or cut individual leaves from the outside of the rosette, working inward to encourage continued growth. For full plant harvest, cut the entire rosette at soil level. Young, tender leaves offer the mildest mustard flavor and most delicate texture. Harvest in the morning after dew has dried for best quality and flavor.
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“Mibuna Green Spray Mustard carries the heritage of Japanese vegetable breeding, part of the Brassica rapa var. japonica group that includes the closely related mizuna. As a hybrid, this variety represents deliberate crossing aimed at enhancing the culinary profile and leaf quality beyond what open-pollinated ancestors offer. The distinction between mibuna and mizuna reflects careful selection within Japanese horticultural traditions, where these feathery Asian greens have been refined and adapted for both home and commercial gardens over generations.”