I would like to grow onions for storage over winter. Which onion varieties are best for storage?

FAQ
Question: 

I would like to grow onions for storage over winter. Which onion varieties are best for storage?

Answer: 

The storage or keeping quality of onions is determined by the cultivar (variety), harvesting and curing procedures, and storage conditions. 

Onion cultivars that are good keepers include ‘Copra,’ ‘Sweet Sandwich,’ ‘Red Zeppelin,’ and ‘Stuttgarter.’  ‘Walla Walla,’ ‘Candy,’ and ‘Yellow Sweet Spanish’ are only suitable for short-term storage. 
 

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