{"product_id":"red-katana-mustard-microgreens-seeds","title":"Mustard, Red - microgreens seeds","description":"\u003cstyle\u003e\ntable{width:100%;table-layout:fixed;border-collapse:collapse;border:1px solid #e5e7eb;font-size:14px;line-height:1.1;background-color:#ffffff}table td,table th{padding:5px 10px;border:1px solid #e5e7eb;vertical-align:top;word-break:break-word}table td:first-child,table th:first-child{width:18%;background-color:#f9fafb;font-weight:600;color:#111827}table td:nth-child(2),table th:nth-child(2){width:51%;white-space:normal}table tr:hover td:not(:first-child){background-color:#f5f9ff}@media(max-width:768px){table{display:block;width:100%;overflow-x:auto}table th,table td{min-width:120px}table td:first-child{min-width:100px}}\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Lora:wght@400;600\u0026family=DM+Sans:wght@400;500\u0026display=swap');h4,h5{font-family:'Lora',Georgia,serif}p,td,li,div,span{font-family:'DM Sans',system-ui,sans-serif}\n\u003c\/style\u003e \u003cdiv style=\"background:#f6f7f6;padding:20px 22px;border-radius:8px;margin-bottom:22px;box-sizing:border-box\"\u003e \u003cp style=\"font-family:'Lora',Georgia,serif;margin:0 0 16px 0;font-size:16px;font-weight:600;color:#234431;line-height:1.4\"\u003eFiery, jewel-toned, and ready in under two weeks — Red Mustard is the microgreen that makes every plate unforgettable.\u003c\/p\u003e \u003cdiv style=\"display:flex;align-items:flex-start;gap:12px;margin-bottom:10px\"\u003e\n\u003cimg src=\"data:image\/svg+xml,%3Csvg%20width%3D%2236%22%20height%3D%2236%22%20viewBox%3D%220%200%2036%2036%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Ccircle%20cx%3D%2218%22%20cy%3D%2218%22%20r%3D%2218%22%20fill%3D%22%23234431%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2227%22%20x2%3D%2218%22%20y2%3D%2215%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cpath%20d%3D%22M18%2022C15.5%2020%2012%2019%2010.5%2015.5C14%2014.5%2017%2017%2018%2022Z%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3Cpath%20d%3D%22M18%2019C20.5%2017%2024%2016%2025.5%2012.5C22%2011.5%2019%2014%2018%2019Z%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3C%2Fsvg%3E\" width=\"36\" height=\"36\" alt=\"\" style=\"flex-shrink:0\"\u003e\u003cspan style=\"font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.55;color:#374151;padding-top:8px\"\u003eBeginner-friendly brassica that thrives in soil with minimal fuss — even first-time growers get a dense, colourful tray every time.\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv style=\"display:flex;align-items:flex-start;gap:12px;margin-bottom:10px\"\u003e\n\u003cimg src=\"data:image\/svg+xml,%3Csvg%20width%3D%2236%22%20height%3D%2236%22%20viewBox%3D%220%200%2036%2036%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Ccircle%20cx%3D%2218%22%20cy%3D%2218%22%20r%3D%2218%22%20fill%3D%22%23234431%22%2F%3E%3Ccircle%20cx%3D%2218%22%20cy%3D%2219%22%20r%3D%228%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2219%22%20x2%3D%2218%22%20y2%3D%2214%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2219%22%20x2%3D%2222%22%20y2%3D%2221%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2215%22%20y1%3D%2210%22%20x2%3D%2221%22%20y2%3D%2210%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2210%22%20x2%3D%2218%22%20y2%3D%2211.5%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3C%2Fsvg%3E\" width=\"36\" height=\"36\" alt=\"\" style=\"flex-shrink:0\"\u003e\u003cspan style=\"font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.55;color:#374151;padding-top:8px\"\u003eGerminates in just 2–3 days and reaches harvest-ready height in 8–12 days — one of the fastest rewarding grows you can do indoors.\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv style=\"display:flex;align-items:flex-start;gap:12px;margin-bottom:10px\"\u003e\n\u003cimg src=\"data:image\/svg+xml,%3Csvg%20width%3D%2236%22%20height%3D%2236%22%20viewBox%3D%220%200%2036%2036%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Ccircle%20cx%3D%2218%22%20cy%3D%2218%22%20r%3D%2218%22%20fill%3D%22%23234431%22%2F%3E%3Cpath%20d%3D%22M18%2027C18%2027%2010%2022%2010%2015C10%2011.5%2012.5%209%2016%209C17.2%209%2018%209.5%2018%209.5C18%209.5%2018.8%209%2020%209C23.5%209%2026%2011.5%2026%2015C26%2022%2018%2027%2018%2027Z%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2227%22%20x2%3D%2218%22%20y2%3D%2217%22%20stroke%3D%22white%22%20stroke-width%3D%221%22%20stroke-linecap%3D%22round%22%20stroke-dasharray%3D%221.5%202%22%2F%3E%3C%2Fsvg%3E\" width=\"36\" height=\"36\" alt=\"\" style=\"flex-shrink:0\"\u003e\u003cspan style=\"font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.55;color:#374151;padding-top:8px\"\u003eRich in vitamins C, K, A and E, plus glucosinolates and anthocyanins — the red pigment you see is a sign of genuine antioxidant activity.\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv style=\"display:flex;align-items:flex-start;gap:12px;margin-bottom:10px\"\u003e\n\u003cimg src=\"data:image\/svg+xml,%3Csvg%20width%3D%2236%22%20height%3D%2236%22%20viewBox%3D%220%200%2036%2036%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Ccircle%20cx%3D%2218%22%20cy%3D%2218%22%20r%3D%2218%22%20fill%3D%22%23234431%22%2F%3E%3Cline%20x1%3D%2213%22%20y1%3D%229%22%20x2%3D%2213%22%20y2%3D%2216%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%229%22%20x2%3D%2218%22%20y2%3D%2216%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2223%22%20y1%3D%229%22%20x2%3D%2223%22%20y2%3D%2216%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3Cpath%20d%3D%22M13%2016%20Q13%2020%2018%2020%20Q23%2020%2023%2016%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20fill%3D%22none%22%20stroke-linecap%3D%22round%22%2F%3E%3Cline%20x1%3D%2218%22%20y1%3D%2220%22%20x2%3D%2218%22%20y2%3D%2227%22%20stroke%3D%22white%22%20stroke-width%3D%221.5%22%20stroke-linecap%3D%22round%22%2F%3E%3C%2Fsvg%3E\" width=\"36\" height=\"36\" alt=\"\" style=\"flex-shrink:0\"\u003e\u003cspan style=\"font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.55;color:#374151;padding-top:8px\"\u003eDelivers a bold, peppery mustard heat with a lingering aromatic finish — perfect for elevating sandwiches, grain bowls, sushi, and charcuterie boards.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch5\u003eFULL SPECIFICATION TABLE\u003c\/h5\u003e \u003ch4\u003e\u003cstrong\u003eGeneral Specification\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e \u003ctr\u003e\n\u003ctd\u003eCommon Name\u003c\/td\u003e\n\u003ctd\u003eRed Mustard microgreens\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBotanical Name\u003c\/td\u003e\n\u003ctd\u003eBrassica juncea\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSeed Type\u003c\/td\u003e\n\u003ctd\u003eConventional, untreated, non-GMO\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eStem\/Leaf Color\u003c\/td\u003e\n\u003ctd\u003eRed-purple stems; green leaves with purple-red tint deepening with age\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eFlavor \u0026amp; Texture\u003c\/td\u003e\n\u003ctd\u003eBold mustard heat with aromatic finish; crisp\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSeed Count per 10g\u003c\/td\u003e\n\u003ctd\u003e~3,500–5,000 seeds per 10g (varies by variety; ~350–500\/g typical range for red mustard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e \u003ch4\u003e\u003cstrong\u003eCultivation Data\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e \u003ctr\u003e\n\u003ctd\u003eDifficulty\u003c\/td\u003e\n\u003ctd\u003eVery easy – beginner friendly\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003ePreferred Medium\u003c\/td\u003e\n\u003ctd\u003eSoil or pads; soil recommended\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSeeding Density (1020 tray)\u003c\/td\u003e\n\u003ctd\u003eAbout 35 g (30–40 g) per 1020 tray (25×50 cm)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSeeding Density (10x10 cm)\u003c\/td\u003e\n\u003ctd\u003eAbout 2.8 g (2.4–3.2 g) per 10×10 cm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eExpected Yield\u003c\/td\u003e\n\u003ctd\u003e≈8–12× seed weight\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSoaking\u003c\/td\u003e\n\u003ctd\u003eNo (small seed; soaking causes clumping and is not recommended)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBlackout Days\u003c\/td\u003e\n\u003ctd\u003e2–3 days\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eWatering, pH \u0026amp; Temp\u003c\/td\u003e\n\u003ctd\u003eKeep medium evenly moist via bottom watering. pH 6.0–6.5. Temperature 18–22 °C with good airflow; avoid over-seeding to reduce mould risk.\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSprouting Time\u003c\/td\u003e\n\u003ctd\u003e2–3 days\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eHarvest Time\u003c\/td\u003e\n\u003ctd\u003e8–12 days (cotyledon stage); up to 14–15 days for first true leaf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e \u003ch4\u003e\u003cstrong\u003eHealth \u0026amp; Nutrition\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e \u003ctr\u003e\n\u003ctd\u003eVitamins\u003c\/td\u003e\n\u003ctd\u003eC, K, A, E\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMinerals\u003c\/td\u003e\n\u003ctd\u003eCalcium, potassium, magnesium, manganese, iron\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eNotable Compounds\u003c\/td\u003e\n\u003ctd\u003eGlucosinolates (→ isothiocyanates); anthocyanins (red-purple pigment); carotenoids (β-carotene, lutein); total soluble polyphenols\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eHealth Benefits\u003c\/td\u003e\n\u003ctd\u003eAnthocyanins and polyphenols provide antioxidant protection against oxidative stress; glucosinolates support the body's natural vitamin K supports normal blood clotting and bone mineralisation; vitamin C and beta-carotene support immune defence and normal vision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e \u003ch5\u003eABOUT\u003c\/h5\u003e\n\u003cp style=\"font-family:'DM Sans',system-ui,sans-serif;font-size:15px;line-height:1.8;color:#374151;margin:10px 0 20px\"\u003eRed Mustard (Brassica juncea) is one of the most visually striking microgreens you can grow: deep burgundy-red cotyledons emerge against vivid green, giving your tray the look of a tiny stained-glass garden. Bite into a stem and you get an immediate, clean mustard heat — sharp and aromatic, not harsh — followed by a pleasantly crisp texture that holds up beautifully in dressings and warm dishes alike. Scatter a small handful over an avocado toast, a soft-boiled egg, or a cold soba noodle salad and the colour contrast alone will stop people in their tracks. With seeds that sprout in days, no soaking required, and a harvest window that stretches up to two weeks, this is a variety that rewards impatient beginners and demanding professionals equally.\u003c\/p\u003e \u003ch5\u003eGROWING INSTRUCTIONS\u003c\/h5\u003e\n\u003cdiv style=\"margin:10px 0\"\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e1\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eFill your tray with 2–3 cm of pre-moistened potting soil or a quality growing pad and level the surface gently — an even base means even germination, and you'll already smell that faint earthy warmth as the soil settles.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e2\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eScatter your Red Mustard seeds evenly across the surface (aim for a single layer with minimal overlapping) and press them lightly into the soil for good contact. No soaking needed — these small seeds get to work immediately and soaking can make them clump together.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e3\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eMist the seeds lightly with a spray bottle, then cover the tray with a second tray and add a gentle weight on top. This 'blackout weighted' method gives uniform germination and strong stem development — check after 2 days and you'll find a dense carpet of pale sprouts already pushing upward.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e4\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eAfter 2–3 days in the dark, remove the cover once the seedlings are reaching 2–3 cm tall. Move your tray into good light — a grow light works best for even, upright growth. Within hours you'll notice the stems beginning to blush from pale yellow to deep red-purple as the anthocyanins activate.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e5\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eBegin bottom-watering: add a few centimetres of water to a solid tray, set your growing tray inside, let it absorb for 10 minutes, then remove. This keeps the surface dry (preventing mould) while the roots drink deeply. Water every 1–2 days as needed — the soil should feel like a damp sponge, never soggy. Maintain 18–22 °C with good airflow.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e6\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eWatch the transformation unfold over days 5–9: the cotyledons deepen from green to rich burgundy-red at the edges, the tray fills with a gentle spicy-green aroma, and the stems stiffen into that satisfying crunch. The colour deepens the longer you grow them — patience pays off visually.\u003c\/span\u003e \u003c\/div\u003e \u003cdiv style=\"display:flex;gap:14px;margin-bottom:14px;align-items:flex-start\"\u003e \u003cspan style=\"flex-shrink:0;width:28px;height:28px;min-width:28px;background:#234431;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;margin-top:2px;line-height:1\"\u003e7\u003c\/span\u003e \u003cspan style=\"font-size:14px;line-height:1.7;color:#374151;padding-top:4px\"\u003eHarvest between days 8–12 by cutting just above the soil line with clean scissors or a sharp knife. Tilt the tray slightly, work in one clean sweep, and you'll be rewarded with a fragrant, jewel-coloured bunch. Make sure the stems are dry before storing in a sealed container in the fridge — they'll keep beautifully for 5–7 days.\u003c\/span\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"deliseeds","offers":[{"title":"100 g","offer_id":56657374839171,"sku":"MUSTARD-RED-0100g","price":5.95,"currency_code":"EUR","in_stock":true},{"title":"250 g","offer_id":56657374871939,"sku":"MUSTARD-RED-0250g","price":11.95,"currency_code":"EUR","in_stock":true},{"title":"500 g","offer_id":56657374904707,"sku":"MUSTARD-RED-0500g","price":19.95,"currency_code":"EUR","in_stock":true},{"title":"1 kg","offer_id":56657374740867,"sku":"MUSTARD-RED-1kg","price":29.95,"currency_code":"EUR","in_stock":true},{"title":"2 kg","offer_id":56657374773635,"sku":"MUSTARD-RED-2kg","price":49.95,"currency_code":"EUR","in_stock":true},{"title":"5 kg","offer_id":56657374806403,"sku":"MUSTARD-RED-5kg","price":109.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9336\/9219\/files\/deliseeds-mustard-red-microgreens-seeds.jpg?v=1774388853","url":"https:\/\/deliseeds.com\/en-de\/products\/red-katana-mustard-microgreens-seeds","provider":"Deliseeds","version":"1.0","type":"link"}