Ailsa Craig Onion Plants


  • 50-75 Ailsa Craig onion plants per bunch
  • Yellow, globe shaped, sweet, open pollinated
  • Size Potential: 8″ (up to 6 pounds!)
  • Storage Potential: Approximately 1 month
  • Days to Harvest: 95
Yellow, Sweet, OP


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Brought to the U.S. from the British Isles in 1887 by David Murray, gardener for the Marquis of Ailsa, Ailsa Craig heirloom onions are by far the largest onion you can grow in a short growing season. The key is to plant Ailsa Craig onion plants early and never let them slow down. If you are looking for show-size variety with which to win the county fair for largest onion, Ailsa Craig is it. Pump these onion plants up with lots of nitrogen to get them as big as basketballs. Ailsa Craig onions do not store well, so enjoy them soon after harvesting. Also known as the Kelsae Sweet Giant onions.

Free Shipping on all orders! Exclusions apply to AK and HI orders over ten bunches; add $2.00 per bunch over ten bunches or $40 per case for shipping/handling.

PRICING EXAMPLE: 1 bunch Copra + 1 bunch Sterling = 2 bunches for a total of $21.90. After 30 bunches, the pricing starts over. A 45 bunch order will be priced as a 30 bunch order plus a 15 bunch order ($105.00 + $75.00 = $180.00). *Alaska and Hawaii orders over 10 bunches, add $2.00 per bunch for shipping/handling.

Onion plant case lot discounts apply to single variety cases only (no mixing of varieties in the same box). Cases are field packed with the variety marked on the outside of the box. Multiple cases will be strapped together for shipment. For case lot orders, please include your UPS/FedEx shipping address. No PO Box deliveries, please. *Alaska and Hawaii customers: add $40 per case for additional shipping/handling. If you have any questions about your order, please call us at (830) 876-2430 or email us at


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