Patterson Onions

Onion Seeds, Plants & Sets

Onions are sensitive to day length. Long-day types bulb up when summer days reach 14 to 16 hours, so they suit the northern states. Short-day onions bulb at 10 to 12 hours and are planted in fall across the South, and intermediate-day types fill the middle band. Pick the group that matches your latitude. Our list runs about 60 varieties, from sweet Ailsa Craig and Blush to storage types like Bridger and Barolo, plus cipollini, bunching onions, and minis. The majority are hybrids, and many resist pink root or Fusarium basal rot.

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