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Grow a reliable, long-keeping onion with Blanco Duro Onion, a classic white onion variety prized for its firm, dense bulbs, clean white flesh, and strong, traditional onion flavor. This variety is especially valued for its excellent storage quality, making it a favorite for gardeners who want onions that last well after harvest.
Blanco Duro onions are versatile in the kitchen and ideal for cooking, sautéing, soups, stews, grilling, roasting, and everyday use. Bulbs develop a smooth white exterior and perform best when fully matured and cured. Plants are vigorous and productive, suitable for home gardens, raised beds, and market-style growing.
You will receive:
✔️ 50 fresh, viable seeds
✔️ Open-pollinated, non-GMO
✔️ Carefully packaged for successful planting
🌼 Growing Information
Common Name: Blanco Duro Onion
Botanical Name: Allium cepa
Plant Type: Biennial grown as an annual
Sun Requirements: Full sun
Soil: Loose, well-drained
Bulb Color: White
Days to Harvest: 100–120 days
Harvest Season: Summer
Cold Stratification: Not required
Best suited for home gardens, raised beds, long-season growing, and onion storage production. Day-length adaptation may vary by region.
Onion – Blanco Duro 50 Seeds | White Storage Onion | Firm Bulbs | Excellent for Cooking & Keeping
$9.99