{"product_id":"osaka-shirona-chinese-cabbage-seeds","title":"Osaka Shirona Chinese Cabbage Seeds (Brassica rapa var. pekinensis) – Japanese Loose-Leaf Napa Cabbage, Heat \u0026 Cold Tolerant, Fast-Growing Mild Green for Microgreens to Full Harvest","description":"\u003cp class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\"\u003e\u003cstrong\u003eMinimum:\u003c\/strong\u003e \u003cem\u003e50+ Seeds\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\"\u003eOsaka Shirona Chinese Cabbage — The Japanese Loose-Leaf That Works in Any Season\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eOsaka Shirona is the rare brassica that tolerates both cold and heat. This loose-head variety produces abundant bright green leaves with wide, firm white stems and genuinely handles temperature swings that would make other greens panic. Start harvesting as microgreens in 10-14 days, baby leaves in 20-30 days, or full maturity in 40-60 days. The plant is mild-tasting, vitamin A-rich, and equally at home raw in salads, stir-fried with garlic, or traditionally dried and pickled for winter. The loose structure is more attractive than tight heads, and every leaf is harvestable without waiting for a head to form. In frost-free areas, Osaka Shirona can be sown year-round, making it the utility player of Asian greens.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWho Grows Osaka Shirona Chinese Cabbage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eJapanese and Asian cooks wanting authentic greens for stir-fries and soups. Gardeners in variable climates wanting a brassica that handles temperature swings. Microgreens producers seeking fast germination and attractive yields. Anyone with a long growing season wanting continuous harvest from spring through fall. And anyone who appreciates a plant that adapts rather than complains.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhat This Plant Actually Is\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cem\u003eBrassica rapa var. pekinensis\u003c\/em\u003e 'Osaka Shirona', a loose-head variety possibly descended from Chinese cabbage and pak choi. Plants produce abundant medium-sized bright green leaves with wide, firm white petioles. The flavor is distinctly mild. Leaves are packed with vitamin A. The variety tolerates both cold and heat... unusual in the cabbage family—making it suitable for spring, summer, fall, and year-round growing in frost-free areas. Maturity is flexible: microgreens 10-14 days, baby leaves 20-30 days, full harvest 40-60 days. Continuous leaf harvest without waiting for a head. Heirloom, open-pollinated.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eIn the Kitchen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMicrogreens:\u003c\/strong\u003e Harvest at 10-14 days for peppery sprouts with mild brassica flavor.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBaby Leaves:\u003c\/strong\u003e At 20-30 days, tender and sweet. Perfect for fresh salads or Asian slaw.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStir-Fries:\u003c\/strong\u003e Chop and cook quickly with garlic, sesame oil, ginger. Stems stay pleasantly firm.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSoups:\u003c\/strong\u003e Add leaves to broths. Mild flavor complements rather than dominates.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTraditional Preservation:\u003c\/strong\u003e Dry leaves for winter storage or pickle for shelf life.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRaw Salads:\u003c\/strong\u003e Mature leaves still mild and tender.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eGrowing Osaka Shirona Chinese Cabbage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSowing:\u003c\/strong\u003e Direct sow or start indoors. ¼ inch deep in moist soil. Year-round in frost-free areas.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGermination:\u003c\/strong\u003e 5-10 days at 65-70°F.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e 3-4 inches for microgreens\/baby leaf. 8-12 inches for full plants.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSunlight:\u003c\/strong\u003e Full sun to part shade. 5-6 hours direct light daily.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Fertile, well-drained with organic matter. pH 6.0-7.5.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Keep consistently moist. Never let dry out.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Prefers 50-70°F. Tolerates both cold and heat but avoid peak summer.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFertilizer:\u003c\/strong\u003e Light feeding. Side-dress every 3-4 weeks.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHarvest Microgreens:\u003c\/strong\u003e Cut at soil level at 10-14 days.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHarvest Baby Leaf:\u003c\/strong\u003e Pick outer leaves at 20-30 days; plant continues.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHarvest Full:\u003c\/strong\u003e Cut at base or pull at 40-60 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBefore You Close This Page\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eJapanese heirloom loose-leaf. 40-60 days to maturity. Microgreens in 10-14 days, baby leaf in 20-30. Bright green leaves, firm white stems. Mild flavor. Cold and heat tolerant. Vitamin A-rich. Continuously harvestable without forming heads. Perfect for microgreens, salads, stir-fries, soups, preservation. Fast-growing, adaptable. One planting, endless harvests.\u003c\/p\u003e","brand":"terramatergardens","offers":[{"title":"Default Title","offer_id":53860768219454,"sku":"11478","price":2.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8836\/7166\/files\/candles-5529.png?v=1785805998","url":"https:\/\/www.terramatergardens.com\/products\/osaka-shirona-chinese-cabbage-seeds","provider":"Terra Mater Gardens","version":"1.0","type":"link"}