Full-Size Onion Seeds & Plants | Johnny's Selected Seeds

Skip to main content Skip to footer content

0

View Cart

Onions receive their cue to start bulbing from day length, and to grow onion plants that form full-size bulbs by harvest time it is important to choose varieties 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.

Full-Size Onion Varieties | Comparison Chart (PDF)

Map of Long-Day, Intermediate-Day & Short-Day Onions

54 Products

Sort By:

Blush Full-Size Onions

Blush

(F1) Onion Seed

Unique pink specialty onion with excellent storage potential.

Maragogi Full-Size Onions

Maragogi

(F1) Onion Seed

Early disease-resistant variety for the South.

Redwing Full-Size Onions

Redwing

Pelleted (F1) Onion Seed

Reliable long-storage red.

T-448 Full-Size Onions

T-448

(F1) Onion Seed

Earliest long-day overwintering onion for the North.

Red Spring Full-Size Onions

Red Spring

(F1) Onion Seed

Red long-day onion for overwintering.

Talon Full-Size Onions

Talon

Organic Pelleted (F1) Onion Seed

Organic long-day storage onion.

Candy Onion Plants & Sets

Candy

(F1) Onion Plants

Widely adapted Walla Walla type for growing farther South.

Safrane Full-Size Onions

Safrane

(F1) Onion Seed

A hard yellow storage onion for the main season.

Powell Full-Size Onions

Powell

Organic (F1) Onion Seed

Organic and downy mildew-resistant long-day onion.

Patterson Onion Plants & Sets

Patterson

(F1) Onion Plants

Extremely long-storage yellow onion.

Cabernet Full-Size Onions

Cabernet

Pelleted (F1) Onion Seed

Early yields of red onions without sacrificing size.

Walla Walla Onion Plants & Sets

Walla Walla

Onion Plants

The famous juicy, sweet regional favorite from Walla Walla, Washington.