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Long-Day Onions

Summer days are longer at higher latitudes than at lower latitudes, and onions bred to perform at high latitudes are known as long-day onions. Long-day onions grow best in the US and Canada north of a line drawn between San Francisco and Washington, DC, and receive their cue to start bulbing when day length reaches 14 to 16 hours.

Refer to our Full-Size Onion Comparison Chart to select the long-day onions best suited to your needs.


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Quantity:
 
 
Pontiac(F1) Pelleted Natural III Onion Seed

Product ID: 3851VJP

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Now available pelleted! Large storage onion.

More Details and Sizes

Pontiac

Out Of Stock

Ailsa Craig ExhibitionOnion Plants

Product ID: 2388

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Out Of Stock
Huge, mild onions.

More Details and Sizes

Ailsa Craig Exhibition

Out Of Stock

Walla WallaOnion Plants

Product ID: 500

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Out Of Stock
Juicy, sweet, regional favorite.

More Details and Sizes

Walla Walla

Out Of Stock

Red Zeppelin(F1) Onion Plants

Product ID: 2585

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Out Of Stock
Widely adapted red storage onion from plants.

More Details and Sizes

Red Zeppelin

Out Of Stock

Patterson(F1) Onion Plants

Product ID: 3049

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Out Of Stock
Extremely long storage onion.

More Details and Sizes

Patterson

Seed Crop Failure

New York EarlyOrganic Onion Seed

Product ID: 504G

Vegetables > Onions > Full-Size Onions > Long-Day Onions

Seed Crop Failure
An OP strain of Early Yellow Globe.

More Details and Sizes

New York Early

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