• Utah Yellow Sweet Spanish Onion from Southern Seeds, allium with bright yellow skin, shown with multiple onion bulbs and green tops.
  • Utah Yellow Sweet Spanish Onion from Southern Seeds, fresh allium bulb with 200 seeds for planting and gardening.
  • Utah Yellow Sweet Spanish Onion from Southern Seeds, showing a mature yellow onion with smooth skin and round shape.
  • Utah Yellow Sweet Spanish Onion from Southern Seeds, 200 onion seeds, close-up of healthy onion bulbs and green tops.
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Southern Seeds

Utah Yellow Sweet Spanish Onion – 200 Seeds

Utah Yellow Sweet Spanish Onion – 200 Seeds

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Grow a classic, all-purpose kitchen staple with our Utah Yellow Spanish Onion seeds. This popular heirloom is a workhorse in the garden, prized for producing extra-large, globe-shaped bulbs with beautiful, golden-yellow, paper-like skin. The crisp, white flesh has a classic, pungent onion flavor that is perfect for cooking. A reliable and productive variety, this onion also stores exceptionally well, keeping your pantry stocked for months.

⭐ What you'll love

  • Produces extra-large, globe-shaped onions with a classic yellow skin.
  • The perfect all-purpose cooking onion with a pungent, savory flavor.
  • An excellent storage onion that keeps well for months.
  • A reliable and productive heirloom for a bountiful harvest.

🌿 Seed details

  • Plant Name: Utah Yellow Spanish Onion (Allium cepa)
  • Seed Quantity: Approx. 200 seeds
  • Type: Heirloom, Open Pollinated, Non-GMO
  • Lifecycle: Biennial, grown as an annual.
  • Height: 18-24 inch tops
  • Days to Maturity: 110-120 days
  • USDA Zone: 3-9
  • Origin: American Grown

🌱 Growing instructions

  • Sowing: For largest bulbs, start seeds indoors 8-10 weeks before the last frost. Transplant out after the danger of frost has passed.
  • Depth: Plant seeds 1/4 inch deep.
  • Spacing: Space or thin plants to 4-6 inches apart.
  • Light Requirement: Full Sun. This is a long-day onion variety.
  • Soil: Prefers loose, fertile, well-draining soil.
  • Harvest: Harvest when the onion tops begin to fall over and turn yellow. Allow bulbs to cure in a dry place for 2-3 weeks before storing.

✅ Our seed packets

  • Professionally designed and made.
  • Resealable for convenient, long-term storage.
  • Eco-friendly and recyclable (contains no plastic).
  • Includes full, detailed growing instructions.
  • Vigorously tested to ensure the highest germination rates.
  • Custom packets for weddings, baby showers, or events are available. Just message us!

🚚 Shipping

  • FREE SHIPPING on all orders of $35 or more.
  • Flat Rate shipping no matter how many seeds you order.
  • Tracking is included with every order.
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We accept returns within 30 days of purchase. Items must be unused and in original packaging. To initiate a return, please contact our customer service team. Refunds will be processed within 5-7 business days after we receive your return.

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