

Hero image 0 of White Grano Onion Seeds (Allium cepa) – 500+ Heirloom Non-GMO Seeds by Isla’s Garden Seeds, Short Day Variety, Ideal for Planting, Perfect for Home Gardens, Great Gardening Gift, 0 of 7
White Grano Onion Seeds (Allium cepa) – 500+ Heirloom Non-GMO Seeds by Isla’s Garden Seeds, Short Day Variety, Ideal for Planting, Perfect for Home Gardens, Great Gardening Gift
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Key item features
-
Key Features
- Plant Type: Biennial grown as an annual
- Sun Needs: Full sun
- Water Needs: Moderate; consistent watering is essential
- Planting Depth: ¼ inch
- Plant Spacing: 4-6 inches
- Plant Height: 12-18 inches
- Days to Maturity: 100-120 days
- USDA Zones: 6-10 (optimal for short-day growth)
- Detailed Planting Instructions
Sow White Grano Onion seeds directly outdoors in well-draining soil as soon as the ground can be worked in early spring or fall in warmer climates. Plant the seeds ¼ inch deep and space them 4-6 inches apart, ensuring rows are spaced about 12-18 inches apart. Onions thrive in full sun and need consistent watering for proper bulb development. Apply mulch to retain soil moisture and reduce weed competition. Thin seedlings as needed to promote healthy growth. - More Detailed Information
White Grano Onions are known for their adaptability to warmer climates, thanks to their short-day growing requirements. This variety matures faster than many other types, producing firm, medium-sized bulbs that store well for several weeks when kept in cool, dry conditions. Onions prefer fertile soil enriched with organic matter, so adding compost before planting can boost growth. Regular weeding and avoiding waterlogged conditions will help prevent issues like bulb rot. - Trust in Isla's Garden Seed Co.
Isla's Garden Seed Co. takes pride in providing only the highest quality heirloom, non-GMO seeds to help gardeners achieve success. Our seeds are meticulously selected and tested for high germination rates to ensure robust growth and reliable harvests. We are committed to supporting gardeners with expert guidance and sustainable practices that make gardening rewarding and enjoyable. Choose Isla’s Garden Seed Co. for seeds that you can trust to deliver quality and performance season after season.
Specs
- Plant nameWhite Grano Onion
- Plant categoryVegetables
- Light needsFull Sun
- Usda hardiness zone12, 11, 10, 9, 8, 7, 6, 5, 4, 3
- Plant lifecycleAnnual
- Watering frequencyDaily
Current price is USD$9.79
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About this item
Product details
White Grano Onion The White Grano Onion (Allium cepa) is a popular short-day onion variety known for its mild, sweet flavor and crisp texture. This heirloom variety is highly prized for its early maturity and reliable yields, making it an excellent choice for home gardeners looking to grow a versatile onion for fresh use or storage. The white, globe-shaped bulbs are perfect for salads, salsas, and a variety of cooked dishes, providing a subtle, sweet onion flavor.
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Key Features
- Plant Type: Biennial grown as an annual
- Sun Needs: Full sun
- Water Needs: Moderate; consistent watering is essential
- Planting Depth: ¼ inch
- Plant Spacing: 4-6 inches
- Plant Height: 12-18 inches
- Days to Maturity: 100-120 days
- USDA Zones: 6-10 (optimal for short-day growth)
- Detailed Planting Instructions
Sow White Grano Onion seeds directly outdoors in well-draining soil as soon as the ground can be worked in early spring or fall in warmer climates. Plant the seeds ¼ inch deep and space them 4-6 inches apart, ensuring rows are spaced about 12-18 inches apart. Onions thrive in full sun and need consistent watering for proper bulb development. Apply mulch to retain soil moisture and reduce weed competition. Thin seedlings as needed to promote healthy growth. - More Detailed Information
White Grano Onions are known for their adaptability to warmer climates, thanks to their short-day growing requirements. This variety matures faster than many other types, producing firm, medium-sized bulbs that store well for several weeks when kept in cool, dry conditions. Onions prefer fertile soil enriched with organic matter, so adding compost before planting can boost growth. Regular weeding and avoiding waterlogged conditions will help prevent issues like bulb rot. - Trust in Isla's Garden Seed Co.
Isla's Garden Seed Co. takes pride in providing only the highest quality heirloom, non-GMO seeds to help gardeners achieve success. Our seeds are meticulously selected and tested for high germination rates to ensure robust growth and reliable harvests. We are committed to supporting gardeners with expert guidance and sustainable practices that make gardening rewarding and enjoyable. Choose Isla’s Garden Seed Co. for seeds that you can trust to deliver quality and performance season after season.
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Specifications
Plant name
White Grano Onion
Plant category
Vegetables
Light needs
Full Sun
Usda hardiness zone
12, 11, 10, 9, 8, 7, 6, 5, 4, 3
Warranty
Warranty information
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