Use this chart to compare various features across our selection of full-size onion varieties. This chart lists day length adaptation—the key to full-size onion bulb formation at your latitude. Additionally, sort varieties by size (medium, large, jumbo, and colossal), as well as disease resistance, storage potential, color, and other distinguishing characteristics.

Full-Size Onion Comparison Chart

All Organic
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Name Part # Days To Maturity Disease Resistance Color Day Length Adaptation Size Class Potential Shape Approximate Latitude Adaptation Storage Potential (Months)
Ailsa Craig Organic 485GPog 110 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 38° - 60° < 3
Ailsa Craig Exhibition 485 110 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 38° - 60° < 3
Redwing Organic 2137GPog 118 ‐ Red Long Large Globe 43° - 65° 6+
Gabriella Organic 4398Gog 155-160 from fall planting ‐ Yellow Short Jumbo Globe 20° - 35° 2 - 3
New York Early Organic 504Gog 98 ‐ Yellow Long Medium to Large Blocky Globe 38° - 50° 3
Cortland Organic 2756GPog 105 (HR: FBR) Yellow Long Medium to Large Blocky Globe 38° - 55° 6+
Blush Plantsnew 4580 115 ‐ Red Long Jumbo Blocky Globe 38° - 55° 6
Cabernet Organic 2581Gog 100 ‐ Red Intermediate Medium to Large Globe 35° - 45° 4 - 6
Redwing Organic 2137Gog 118 ‐ Red Long Large Globe 43° - 65° 6+
Frontier 3564 100 (IR: BO, FBR, DM) Yellow Long Medium to Large Blocky Globe 40° - 50° Long
Monastrell Organic 3362Gog 106 ‐ Red Intermediate Large to Jumbo Globe to Slightly Flattened Globe 32° - 45° 3 - 5
Patterson 2521JP 104 ‐ Yellow Long Medium to Large Globe to Blocky Globe 38° - 55° 6+
Redwing 3638 118 ‐ Red Long Large Globe 43° - 65° 6+
Scout 3788 107 (HR: FBR, PR) Yellow Intermediate Jumbo to Colossal Globe to Grano 32° - 46° 3 - 4
T-448new 4054 95 spring sown Approx 265 fall sown in the North ‐ Yellow Long Medium to Colossal Globe 50° 1 - 2
Walla Walla Sweet 496 Approx 300 late-summer sown and wintered over; 125 spring sown ‐ Yellow Long Large to Colossal Globe to Elongated Globe 35° - 55° < 3
Expression 3215 105 (HR: PR; IR: FBR) Yellow Intermediate Large to Colossal Globe to Slightly Flattened Globe 32° - 45° 3 - 4
New York Early 504 98 ‐ Yellow Long Medium to Large Blocky Globe 38° - 50° 3
Yankee Organic 3360Gog 108 (HR: DM; IR: PR) Yellow Long Medium to Large Globe 43° - 47° 6
Candy 2991 Approx 290 if late summer-sown and wintered over; 110 if spring-sown (HR: PR.) Yellow Intermediate Large Slightly Flattened Globe 33° - 40° 1
Cortland Organic 2756Gog 105 (HR: FBR) Yellow Long Medium to Large Blocky Globe 38° - 55° 6+
Ailsa Craig 485JP 110 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 38° - 60° < 3
Ailsa Craig Organic 485Gog 110 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 38° - 60° < 3
Sierra Blanca 103 109 (IR: PR) White Intermediate Large to Colossal Globe 32° - 45° 1
Yankee Organic 3360GPog 108 (HR: DM; IR: PR) Yellow Long Medium to Large Globe 43° - 47° 6
Walla Walla 500 125 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 35° - 55° < 3
Sierra Blanca 103JP 109 (IR: PR) White Intermediate Large to Colossal Globe 32° - 45° 1
Redwing 2137 118 ‐ Red Long Large Globe 43° - 65° 6+
Cabernet 2581JP 100 ‐ Red Intermediate Medium to Large Globe 35° - 45° 4 - 6
Bridger 2545 90 spring sown Approx 270 fall sown in the North ‐ Yellow Long Medium to Large Globe to Slightly Flattened Globe 35° - 50° 3 - 4
Pumba 302 155-160 from fall planting (IR: PR) Yellow Short Large Grano 20° - 36° 3 - 4
Madalyn Organic 3762Gog 150 from fall planting ‐ Yellow Short Jumbo Globe to Elongated Globe 20° - 35° 2 - 3
Patterson 2521 104 ‐ Yellow Long Medium to Large Globe to Blocky Globe 38° - 55° 6+
Madalyn 3762 150 from fall planting ‐ Yellow Short Jumbo Globe to Elongated Globe 20° - 35° 2 - 3
Ailsa Craig Exhibition 2388 110 ‐ Yellow Long Large to Colossal Globe to Elongated Globe 38° - 60° < 3
Blush 3657 115 ‐ Red Long Jumbo Blocky Globe 38° - 55° 6
Red Rock 3445 165 from fall planting (IR: F, PR) Red Short Jumbo Globe ‐ 3
Bridger 2545JP 90 spring sown Approx 270 fall sown in the North ‐ Yellow Long Medium to Large Globe to Slightly Flattened Globe 35° - 50° 3 - 4
Cabernet 2581 100 ‐ Red Intermediate Medium to Large Globe 35° - 45° 4 - 6
White Castle 3085 160 from fall planting (HR: FBR, PR) White Short Jumbo Globe 30° - 38° 3 - 4
Red Hawk 3214 107 (HR: PR) Red Long Medium to Large Globe to Slightly Flattened Globe 32° - 45° 4 - 6
Red Carpet Organic 3402GPog 115 ‐ Red Long Medium to Large Globe 40° - 45° 6+
Walla Walla Sweet Organic 496Gog Approx 300 late-summer sown and wintered over; 125 spring sown ‐ Yellow Long Large to Colossal Globe to Elongated Globe 35° - 55° < 3
Zoey Organic 3660Gog 107 (IR: PR) Yellow Intermediate Jumbo to Colossal Globe to Slightly Flattened Globe 32° - 45° 3 - 4
Patterson 3049 104 ‐ Yellow Long Medium to Large Globe to Blocky Globe 38° - 55° 6+
Expression 3215JP 105 (HR: PR; IR: FBR) Yellow Intermediate Large to Colossal Globe to Slightly Flattened Globe 32° - 45° 3 - 4
Sierra Blanca 67 109 (IR: PR) White Intermediate Large to Colossal Globe 32° - 45° 1
Rossa di Milano Organicnew 3454Gog 100 ‐ Red Long Large to Colossal Grano 38° - 50° 6+
Talon Organic 4051Gog 104 (IR: PR) Yellow Long Medium to Large Blocky Globe 42° - 50° ‐
Calibra Organicnew 4578Gog 110 ‐ Yellow Intermediate Large Globe 35° - 45° 6+
Red Carpet Organic 3402Gog 115 ‐ Red Long Medium to Large Globe 40° - 45° 6+
Desert Sunrise 303 100 spring sown Approx 160 fall sown in the South (IR: PR) Red Short Medium to Jumbo Flat-round 30° - 36° spring, 30° - 50° overwinter < 3
Yellow Granex 2398 140 (IR: PR) Yellow Short Jumbo to Colossal Flattened Globe 20° - 36° Not suitable for storage
Red Carpetnew 3402 115 ‐ Red Long Medium to Large Globe 40° - 45° 6+
Candy 2750 110 (HR: PR.) Yellow Intermediate Large Slightly Flattened Globe 33° - 40° 1
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