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Full-Size Onions

Onions receive their cue to start bulbing from day length. In order to grow onion plants that form full-size bulbs by harvest time, it is important to choose varieties that are best adapted to the maximum growing season of day length in your region. Johnny's offers a selection of full-size onions varieties for each of the three day-length adaptations: long-day, intermediate-day, and short-day.

Use our Full-Size Onion Comparison Chart to select the best varieties for your region, and to compare bulb size, color, shape, adaptability, storage potential, and other distinguishing characteristics.


Johnnys is committed to your success and is with you every step of the way.

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Seed Crop Failure

Red Coach(F1) Onion Seed

Product ID: 3919

Vegetables > Onions > Full-Size Onions

Seed Crop Failure
Large, very dark red, short-day onion.

More Details and Sizes

Red Coach

Out Of Stock

Ailsa Craig ExhibitionOnion Plants

Product ID: 2388

Vegetables > Onions > Full-Size Onions

Out Of Stock
Huge, mild onions.

More Details and Sizes

Ailsa Craig Exhibition

Out Of Stock

Yellow Granex(F1) Onion Plants

Product ID: 2398

Vegetables > Onions > Full-Size Onions

Out Of Stock
Short-day for Southern growers only.

More Details and Sizes

Yellow Granex

Out Of Stock

Walla WallaOnion Plants

Product ID: 500

Vegetables > Onions > Full-Size Onions

Out Of Stock
Juicy, sweet, regional favorite.

More Details and Sizes

Walla Walla

Out Of Stock

Candy(F1) Onion Plants

Product ID: 2750

Vegetables > Onions > Full-Size Onions

Out Of Stock
Widely adapted, day neutral.

More Details and Sizes

Candy

Out Of Stock

Sierra Blanca(F1) Onion Plants

Product ID: 67

Vegetables > Onions > Full-Size Onions

Out Of Stock
Big, mild white onions.

More Details and Sizes

Sierra Blanca

Out Of Stock

Patterson(F1) Onion Plants

Product ID: 3049

Vegetables > Onions > Full-Size Onions

Out Of Stock
Extremely long storage onion.

More Details and Sizes

Patterson

Out Of Stock

CortlandOrganic (F1) Pelleted Natural III Onion Seed

Product ID: 2756VGP

Vegetables > Onions > Full-Size Onions

Out Of Stock
Organic, yellow storage onion.

More Details and Sizes

Cortland

Out Of Stock

Redwing(F1) Onion Plants

Product ID: 3638

Vegetables > Onions > Full-Size Onions

Out Of Stock
New! Superior red color, long storage.

More Details and Sizes

Redwing

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