Ailsa Craig Onion Seeds – Heirloom Long-Day Variety for Large, Sweet, Mild Bulbs
Heirloom - Non-GMO - Reliable Germination
Ailsa Craig Onion Seeds – Heirloom Long-Day Variety for Large, Sweet, Mild Bulbs - 1 Packet is backordered and will ship as soon as it is back in stock.
Grow impressive, sweet, mild onions with Ailsa Craig Onion Seeds from Survival Garden Seeds. This classic long-day heirloom is known for producing large, golden bulbs with a gentle, versatile flavor suited to everyday cooking. A favorite among home gardeners, Ailsa Craig is easy to establish, productive through the season, and dependable in northern climates.
Prolific, Hardy, and Reliable:
Ailsa Craig onions grow into vigorous plants that consistently produce generous yields. This variety is valued for its resilience, including good disease resistance and dependable performance in well-prepared garden beds or containers. Whether you’re expanding a home garden or growing onions for the first time, Ailsa Craig offers steady results with minimal fuss.
Sweet, Mild Flavor for Everyday Cooking:
Celebrated for its balanced, mild sweetness, Ailsa Craig shines in both raw and cooked dishes. The bulbs’ large size and tender texture make them an excellent choice for salads, roasts, sautés, grilling, and other kitchen staples. This versatility lets you enjoy gourmet flavor from your own garden all season long.
Why Customers Love Ailsa Craig Onion:
- Produces large, mild, sweet bulbs ideal for many recipes
- Reliable long-day variety suited to northern growers
- Robust plants with strong disease resistance
- Performs well in both container and in-ground gardens
- A trusted heirloom known for consistent harvests
How to Grow:
Sow Ailsa Craig onion seeds indoors 8–10 weeks before your last expected frost. Maintain even moisture and provide bright light for steady seedling growth. Transplant outdoors once soil is workable and temperatures have warmed, setting plants in loose, well-drained soil with full sun exposure. Keep beds weed-free and water regularly to support steady bulb development. Harvest when bulbs reach full size and tops begin to fall naturally.
Net Wt. 500MG
Ailsa Craig Onion Seeds – Heirloom Long-Day Variety for Large, Swee...
Heirloom Vegetable Seeds
All of our seeds are open-pollinated, non-GMO, heirloom varieties with tested germination rates
Specifications
Specifications
-
Botanical Name
-
Planting Zones
-
Light
-
Soil Temp for Germination
-
Germination Time
-
Planting Depth
-
Plant Size
-
Days to Harvest
-
Growing Instructions
-
Seed Saving Instructions
-
Seed Count (approximate)
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Why Choose Survival Garden Seeds
At Survival Garden Seeds, we believe in preparing today for tomorrow’s peace of mind. That’s why we offer only heirloom, non-GMO, and untreated seeds you can trust to nourish your family and support a sustainable lifestyle. As a family-owned American company, we’re committed to providing seeds that grow strong and true—helping you cultivate health, resilience, and beauty in your garden.
Print Your Own Gift Tags & Envelopes
Spruce up your seed gift with free downloadable print-your-own gift tags & envelopes.
Frequently Asked Questions
Are your seeds heirloom and open-pollinated?
Are your seeds heirloom and open-pollinated?
Yes. All of our seeds are heirloom, open-pollinated varieties, which means they can produce seeds that grow true to type and are suitable for seed saving.
You can learn more about open-pollinated, heirloom, and non-GMO seeds in our Survival Garden Training blog.
Are your seeds non-GMO?
Are your seeds non-GMO?
Yes. All Survival Garden Seeds are 100% non-GMO. Our seeds are open-pollinated heirloom varieties and are never genetically modified.
Are your seeds treated with chemicals?
Are your seeds treated with chemicals?
No. Our seeds are completely untreated and free from chemical coatings, fungicides, or synthetic treatments.
How do I know my seeds are fresh?
How do I know my seeds are fresh?
Every seed packet includes a packed-for date, and we germination-test each seed lot before packaging to ensure high viability.
What is the shelf life of your seeds?
What is the shelf life of your seeds?
Most seeds remain viable for 3 to 5 years or longer when stored properly in a cool, dry place away from light and moisture.
In what USDA hardiness zones can I grow your seeds?
In what USDA hardiness zones can I grow your seeds?
Our varieties are selected to grow successfully across USDA Hardiness Zones 3 through 10. Each packet includes variety-specific planting guidance and germination tips.
