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

Name Part # Days To Maturity Disease Resistance Color Day Length Adaptation Size Class Potential Shape Approximate Latitude Adaptation Storage Potential (Months)
Ailsa Craig Organicnew 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+
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+
Frontiernew 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
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+
Madalynnew 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 Organicnew 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
Talon Organicnew 4051Gog 104 (IR: PR) Yellow Long Medium to Large Blocky Globe 42° - 50°
Red Carpet Organicnew 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
Candy 2750 110 (HR: PR.) Yellow Intermediate Large Slightly Flattened Globe 33° - 40° 1