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95 days. Allium cepa. Open Pollinated. Ailsa Craig Exhibition Onion. The plant produces excellent yields of huge 2 to 6 lb sweet onions. This Spanish type onion has a unique mildly sweet flavor. Perfect for soups, sandwiches, salads, and cooking. Impress your neighbors and try growing a World Record size onion. Earlier than other Spanish types. Tolerates cool weather well. Suitable for Northern regions. Similar to Kelsae Sweet Giant Onion. Excellent choice for home gardens. This variety is named after Ailsa, a small round island off the coast of Scotland that is nearly solid rock. An 1887 heirloom from South Ayrshire, Scotland. A long day variety.
Lot No: 102801
Germination: 93%
Test Date: 09/2025
Seeds Per Pound: 144,000
Plant Height: 4 to 8” Bulbs
Planting Season: Spring
Sunlight Requirement: Full Sun
Planting Method: Direct Sow/Indoor Sow
Onion seeds should be planted indoors 6 to 8 weeks before the ground can be worked. You can also plant seeds directly in the garden. Spring planting should occur as soon as the soil can be worked. Keep free from weeds. You need long sunny days to grow large onions. Shallots are very close to garlic and are very easy to grow. Plants can grow 8 to 12" tall.
Requires fertile soil in a well-drained location in the garden. Apply mulch and grass clippings, or straw, around the base of the plant.
Keep seedlings and transplants consistently moist, but not waterlogged. Water well during dry and hot spells.
Use Slow Release (6 Month) Fertilizer when transplanting outdoors. Apply Miracle-Gro Liquid Fertilizer every two weeks.
You can harvest onions for their green stems (scallions) at any time. Cut the green stems with garden scissors when tops are 4 - 8" tall. For bulb products, let the tops dry up by themselves before digging them up. Spread bulbs on the ground for 3 to 5 days to cure.