Utah Yellow Onion is a reliable long-day onion variety known for its golden-brown skins, firm bulbs, and mild, slightly sweet flavor. This heirloom type produces medium to large, globe-shaped onions that are excellent for fresh use or long-term storage. Adapted to northern climates, it thrives in areas with long summer days. Perfect for soups, salads, roasting, or everyday cooking, these onions are both versatile and productive. Seeds are heirloom, Non-GMO, and open-pollinated, making them a trusted choice for home gardens and market growers alike.
How to Plant
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When: Start indoors 8–10 weeks before last frost, transplant seedlings outdoors when soil can be worked. Direct sow outdoors in early spring where seasons are long.
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Soil & Sun: Fertile, well-drained soil; full sun.
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Depth: ¼ inch.
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Spacing: Thin or transplant seedlings 4–6 inches apart; rows 12–18 inches apart.
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Water: Keep soil consistently moist, especially during bulb formation.
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Fertilizer: Apply compost or balanced fertilizer during growth.
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Days to maturity: 100–115 days.
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Harvest: Pull when tops fall over and dry. Cure in a warm, airy place for 2–3 weeks before storage.
Cooking Tips
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Soups & Stews: Adds mild sweetness to broths and slow-cooked dishes.
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Salads: Slice raw for fresh crunch.
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Roasting: Caramelizes beautifully when baked or grilled.
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Everyday Cooking: Staple flavor base for countless recipes.