{"product_id":"yellow-red-onion-seeds-utah-yellow-red-creole","title":"Yellow \u0026 Red Onion Seeds – Utah Yellow \u0026 Red Creole","description":"\u003cp\u003e\u003cstrong\u003eYellow \u0026amp; Red Onion Seeds for Planting – Utah Yellow \u0026amp; Red Creole – Non-GMO Heirloom Seeds (Allium cepa)\u003c\/strong\u003e include two classic bulb onion varieties with distinctly different colors, flavors, and day-length requirements. \u003cstrong\u003eUtah Yellow Onion (Yellow Sweet Spanish Utah)\u003c\/strong\u003e produces large, globe-shaped bulbs with golden-yellow to copper-colored skins and crisp white flesh. It has a mild, sweet flavor that is excellent for slicing, cooking, grilling, and caramelizing. \u003cstrong\u003eRed Creole Onion\u003c\/strong\u003e produces smaller to medium-sized bulbs with reddish-purple skins and firm, flavorful flesh with a stronger, spicy-sweet onion taste that becomes milder when cooked.\u003c\/p\u003e\n\u003cp\u003eThe main difference between these two varieties is their color, flavor, bulb size, and preferred growing region. Utah Yellow is a \u003cstrong\u003elong-day onion\u003c\/strong\u003e that can produce large 3½–6-inch bulbs and performs best in northern growing regions. Red Creole is a \u003cstrong\u003eshort-day onion\u003c\/strong\u003e developed for southern climates, typically producing 3–4-inch bulbs with excellent storage potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting Season\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBest planted in: Early Spring, with Fall Planting Possible in Mild Climates (Cool-Season Crop)\u003c\/p\u003e\n\u003cp\u003eStart seeds indoors approximately 8–12 weeks before the last expected spring frost, or direct sow outdoors as soon as the soil can be worked.\u003c\/p\u003e\n\u003cp\u003eUtah Yellow can be sown approximately 4–6 weeks before the last frost and performs best as a long-day onion. Red Creole is better suited to short-day regions and can be planted in fall or winter in warm southern climates for a spring harvest.\u003c\/p\u003e\n\u003cp\u003eOnion seeds germinate well when soil temperatures are approximately 60–85°F (16–29°C), although established plants tolerate cool weather and light frost.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Grow Yellow \u0026amp; Red Onion Seeds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStart seeds indoors in trays or sow directly into fertile, loose, well-drained soil.\u003c\/p\u003e\n\u003cp\u003eSow seeds approximately ¼–½ inch deep.\u003c\/p\u003e\n\u003cp\u003eKeep the soil consistently moist during germination but not waterlogged.\u003c\/p\u003e\n\u003cp\u003eSeeds typically germinate within approximately 7–15 days under favorable conditions.\u003c\/p\u003e\n\u003cp\u003eChoose a location receiving at least 6–8 hours of direct sunlight daily.\u003c\/p\u003e\n\u003cp\u003eThin or transplant seedlings approximately 4–6 inches apart, with rows spaced about 12–16 inches apart. Utah Yellow benefits from slightly wider spacing when growing for extra-large bulbs.\u003c\/p\u003e\n\u003cp\u003eMix compost or aged organic matter into the soil before planting. Avoid compacted or poorly drained soil because onions have shallow root systems.\u003c\/p\u003e\n\u003cp\u003eContainer growing is possible in wide containers at least 8–10 inches deep with good drainage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Care for Yellow \u0026amp; Red Onion Plants\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWater consistently throughout active growth, keeping the soil evenly moist while the bulbs are developing.\u003c\/p\u003e\n\u003cp\u003eApply mulch around plants to conserve moisture, suppress weeds, and protect the shallow roots.\u003c\/p\u003e\n\u003cp\u003eFeed with a balanced vegetable fertilizer during early growth. Avoid excessive nitrogen once bulbs begin enlarging.\u003c\/p\u003e\n\u003cp\u003eKeep the planting area weed-free because onions compete poorly with weeds.\u003c\/p\u003e\n\u003cp\u003eMonitor for common onion pests such as thrips and onion maggots. Good drainage, crop rotation, and adequate airflow help reduce fungal and bulb diseases.\u003c\/p\u003e\n\u003cp\u003eUtah Yellow generally matures in approximately \u003cstrong\u003e110–130 days\u003c\/strong\u003e, producing large golden bulbs with mild, sweet flavor.\u003c\/p\u003e\n\u003cp\u003eRed Creole generally matures around \u003cstrong\u003e110 days after transplanting\u003c\/strong\u003e, although maturity varies with climate and planting season. It produces reddish-purple bulbs with a stronger flavor and can store for several months when properly cured.\u003c\/p\u003e\n\u003cp\u003eHarvest when the tops begin to yellow, fall over, and dry naturally. Lift the bulbs carefully and cure them in a dry, well-ventilated location until the outer skins become papery.\u003c\/p\u003e\n\u003cp\u003eAfter curing, trim the roots and tops and store bulbs in a cool, dry, dark place with good airflow. Red Creole is particularly well suited to storage and may keep for up to approximately six months under favorable conditions.\u003c\/p\u003e","brand":"Srk Garden","offers":[{"title":"Utah Yellow","offer_id":52659513426202,"sku":null,"price":5.99,"currency_code":"USD","in_stock":true},{"title":"Red Creole","offer_id":52659513458970,"sku":null,"price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/5657\/4746\/files\/1_a065559a-a730-4f58-988f-645e6c1baa3d.png?v=1786175994","url":"https:\/\/srkgarden.com\/products\/yellow-red-onion-seeds-utah-yellow-red-creole","provider":"Srk Garden","version":"1.0","type":"link"}