Hudson Valley Seed Co. Ailsa Craig Onion
Best heirloom choice for home gardeners seeking massive mild onions.
A classic, heavyweight sweet onion known for its impressive size and rapid growth. Perfect for those seeking a mild, flavorful addition to fresh dishes, though it is best enjoyed quickly rather than stored long-term.
$4.99
at
Hudsonvalleyseed
Who it's for
- Home gardeners looking to grow prize-winning, giant vegetables
- Culinary enthusiasts who prefer a gentle, non-pungent onion flavor
- Gift-givers and aesthetic-focused gardeners who appreciate beautiful seed packaging
Who should skip it
- Homesteaders needing long-term winter storage for their vegetable crops
- Southern gardeners living in regions with shorter summer day lengths
- Busy growers who prefer low-maintenance, quick-maturing vegetable varieties
Performance breakdown
Growth Speed
Rapid development makes this a standout for impatient home gardeners.
Flavor Profile
Mild, sweet notes excel in fresh salads and light cooking.
Yield Potential
Produces impressive, jumbo-sized bulbs that feel substantial at harvest.
Storage Longevity
Best enjoyed fresh, as these bulbs lack long-term keeping qualities.
Cultivation Difficulty
Requires consistent moisture and early indoor starts for optimal results.
Seed Integrity
Certified organic status ensures high-quality, chemical-free gardening starts.
Key Specs
Days to Maturity
110 days
Days to Germination
7-14 days
Mature Height
18 inches
Mature Spread
6 inches
Planting Depth
0.5 inches
Row Spacing
12 inches
Plant Spacing
4 inches
Sunlight Exposure
Partial Sun, Full Sun
Botanical Name
Allium cepa
Certification
Certified Organic
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Ask Metto anything about the Hudson Valley Seed Co. Ailsa Craig Onion before you decide.
