Vegetables Onions Full-Size Onions
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Full-Size Onions
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.
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1 - 18 of 50
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New
Red Carpet Full-Size Onions
Vibrant long-day red storage onion.
New! Vibrant long-day red storage onion.
115 Days
New
Talon Full-Size Onions
Organic long-day storage onion.
New! Organic long-day storage onion.
104 Days
New
Johnny's Exclusive
Rossa di Milano Full-Size Onions
Our superior strain of this classic, long-day Italian OP.
New! Our superior strain of this classic, long-day Italian OP.
100 Days
New
Ailsa Craig Full-Size Onions
A classic mild yellow onion with excellent size potential.
Now available organic! Huge, mild onions. Organic seed with NOP-compliant pelleting.
110 Days
New
Frontier Full-Size Onions
Downy mildew resistance for a wider range of latitudes.
New! Downy mildew resistance for a wider range of latitudes.
100 Days
New
Red Carpet Full-Size Onions
Vibrant long-day red storage onion.
Out of Stock
New! Vibrant long-day red storage onion. Organic seed with NOP-compliant pelleting.
115 Days
Out of Stock
Extremely long-storage yellow onion.
Extremely long storage onion.
104 Days
Extremely long-storage yellow onion.
Extremely long storage yellow onion.
104 Days
Classic yellow OP strain, dependable and productive early onion.
Classic yellow OP strain.
98 Days
Superior red color, long storage.
Superior red color, long storage.
118 Days
The famous juicy, sweet regional favorite from Walla Walla, Washington.
Juicy, sweet, regional favorite.
125 Days
Early yields of red onions without sacrificing size.
Early yields of red onions.
100 Days
Superior red color, long storage.
Superior red color, long storage.
118 Days
AAS (All-America Selections) Winners
Sierra Blanca Full-Size Onions
Big, mild white onions from a widely-adapted day-neutral variety.
Big, mild white onions.
109 Days
Downy mildew resistant storage onion.
Downy mildew resistant storage onion.
108 Days
Superior red color, long storage.
Superior red color, long storage.
118 Days
The famous juicy, sweet regional favorite from Walla Walla, Washington.
The famous, mild yellow variety from Walla Walla, WA.
Approx 300 late-summer sown and wintered over; 125 spring sown
Attractive, large, slightly flattened bulbs with light-brown skins.
Attractive, large, slightly flattened bulbs with light brown skins.
105 Days
1 - 18 of 50