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Q&A: Onions Sprout in Storage
National Gardening Association
Question: My onions don't keep well in storage -- they sprout and rot.
How can I prevent this so I can keep my onions through the winter?
Answer: It's possible that you are storing your onions in too warm a place. To harvest and cure onions properly, wait until 75% of the tops have fallen over naturally before harvesting the crop. Store them in a dry, shady place with good ventilation, such as an outdoor shed or barn, for 10 days to two weeks. After the onions have cured, put them in slatted crates or mesh bags. Store them indoors in a cellar with low humidity and temperatures between 33F and 45F. I hope this helps!
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Posted Comments:
10-29-2009 11:08
Donna S. wrote:
Onion Storage
The trick is to keep onions away from each other to keep air circulating which keeps them from rotting. Store them in old pair of nylons putting a knot between each onion. Hang in cool place in basement. When you need a onion just cut one off. The knot keeps the next one from coming out.
10-29-2008 12:38
Mo Ky Fellow wrote:
Onion storage
It has been 60 years since Dad and Mom with 8 kids in tow left the farm for city life.(A very small Missouri city). If I recall correctly, we stored onions and potatoes underground. After being dug up they were spread out and allowed to completly dry. Then we would bury them below the frost line in stray. They both kept very well. An added note: Just shake dirt off. Do not wash.
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