Tatsoi is a cold-hardy Asian mustard green that grows into compact rosettes of deep green leaves wrapped around thick, white stalks, reaching just 8 to 12 inches tall in about 50 days. This Brassica rapa cultivar thrives in zones 4 through 10 and brings a mild, nutty flavor to raw salads and cooked dishes alike. Its frost tolerance and drought hardiness make it one of the most resilient greens you can grow, equally at home in garden beds or containers.
Full Sun
Moderate
4-10
12in H x 16in W
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Moderate
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East Asian gardeners have spent centuries refining brassicas into wildly different forms, and tatsoi stands as one of the most useful and beautiful results of that work. Its low-growing rosettes proclaim nutrient density at a glance, while the delicate flavor and tender texture hide an inner resilience that lets this plant shrug off cold and poor conditions. Plant it once and it may reseed itself across your garden year after year.
Tatsoi works beautifully raw in salads, where its tender leaves and crisp white stalks provide both textural contrast and delicate flavor. It can also be cooked, steamed, stir-fried, or added to soups, where the mild, nutty character plays well with garlic, ginger, and other Asian seasonings. The entire plant is edible, from the outer leaves to the heart, making it highly efficient for home cooks.
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Sow tatsoi seeds directly into the garden in early spring or late summer for fall harvest. Plant when soil temperatures are between 55 and 70 degrees Fahrenheit for reliable germination.
Tatsoi reaches harvest readiness in approximately 50 days. You can harvest entire rosettes once plants reach 8 to 12 inches tall and wide, cutting at the base with a sharp knife, or pick outer leaves continuously while allowing the center to keep growing. The plant is most tender and flavorful when young; harvest before flower buds appear.
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“Tatsoi belongs to the vast family of Asian brassicas that East Asian gardeners have selected and refined over centuries. From bulging Chinese cabbages to bulbous bok choys to frilly mizunas, these plants all spring from the same species, shaped by the hands and observations of gardeners across generations who recognized and saved the plants that best suited their regions and needs. Tatsoi's compact, rosette form and cold hardiness reflect those deep traditions of selection.”