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 Color Disease Resistance Day Length Adaptation Size Class Potential Shape Approximate Latitude Adaptation Storage Potential (Months)
Ailsa Craig Exhibition 485 110 Yellow ‐ Long Large to Colossal Globe to Elongated Globe 38° - 60° <3
Redwing Organic 2137GPog 118 Red ‐ Long Medium to 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 Yellow (HR: FBR.) Long Medium to Large Globe 38° - 55° 6+
Cabernet Organic 2581Gog 100 Red ‐ Intermediate Large Globe to Slightly Flattened Globe 35° - 45° 4 - 6
Redwing Organic 2137Gog 118 Red ‐ Long Medium to Large Globe 43° - 65° 6+
Frontiernew 3564 100 Yellow (IR: BO, FBR, DM) Long Medium Large Blocky Globe 40° - 50° Long
Monastrell Organic 3362Gog 106 Red ‐ Intermediate Large to Jumbo Globe to Slightly Flattened Globe 32° - 45° 4
Patterson 2521JP 104 Yellow ‐ Long Medium to Large Globe to Blocky Globe 38° - 55° 6+
Redwing 3638 118 Red ‐ Long Medium to Large Globe 43° - 65° 6+
Scout 3788 107 Yellow (HR: FBR, PR.) Intermediate Jumbo to Colossal Globe 32° - 45° 3 - 5
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 Yellow (HR: PR; IR: FBR.) 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 Yellow (HR: DM. IR: PR.) Long Large Globe 43° - 47° 6
Candy 2991 Approx 290 if late summer-sown and wintered over; 110 if spring-sown Yellow (HR: PR.) Intermediate Large Slightly Flattened Globe 32° - 45° 1
Cortland Organic 2756Gog 105 Yellow (HR: FBR.) Long Medium to Large 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 White (IR: PR.) Intermediate Large to Colossal Globe 32° - 45° 1
Yankee Organic 3360GPog 108 Yellow (HR: DM. IR: PR.) Long 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 White (IR: PR.) Intermediate Large to Colossal Globe 32° - 45° 1
Redwing 2137 118 Red ‐ Long Medium to Large Globe 43° - 65° 6+
Cabernet 2581JP 100 Red ‐ Intermediate Large Globe to Slightly Flattened Globe 35° - 45° 4 - 6
Bridger 2545 90 spring sown Approx 270 fall sown in the North Yellow ‐ Long Medium to Large Flattened Globe 35° - 50° 3
Pumba 302 155-160 from fall planting Yellow (IR: PR.) Short Large Grano 20° - 36° 4
Madalyn Organic 3762Gog 150 from fall planting Yellow ‐ Short Medium to Large Globe to Elongated Globe 20° - 35° 2 - 3
Patterson 2521 104 Yellow ‐ Long Medium to Large Globe to Blocky Globe 38° - 55° 6+
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 Red (IR: F, PR.) Short Jumbo Globe ‐ 3
Bridger 2545JP 90 spring sown Approx 270 fall sown in the North Yellow ‐ Long Medium to Large Flattened Globe 35° - 50° 3
Cabernet 2581 100 Red ‐ Intermediate Large Globe to Slightly Flattened Globe 35° - 45° 4 - 6
White Castle 3085 160 from fall planting White (HR: FBR, PR.) Short Large Globe 30° - 38° 3 - 4
Red Hawk 3214 107 Red (HR: PR.) Long Medium to Large Globe to Slightly Flattened Globe 32° - 45° 4 - 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 Yellow (IR: PR.) Long 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 Yellow (HR: PR; IR: FBR.) Intermediate Large to Colossal Globe to Slightly Flattened Globe 32° - 45° 3 - 4
Sierra Blanca 67 109 White (IR: PR.) Intermediate Large to Colossal Globe 32° - 45° 1
Desert Sunrise 303 100 spring sown Approx 160 fall sown in the South Red (IR: PR.) Short Medium to Jumbo Flat-round 30° - 36° spring, 30° - 50° overwinter <3
Yellow Granex 2398 140 Yellow ‐ Short Jumbo to Colossal Flat 20° - 36° Not suitable for storage
Candy 2750 110 Yellow (HR: PR.) Intermediate Large Slightly Flattened Globe 32° - 45° 1
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