Onions
Q.

Onions

Zone Yorkton, Saskatchewan Canada | Anonymous added on September 14, 2018 | Answered

What fertilizer or blend of fertilizers is needed to grow large onions. My soil is sandy with a fair amount of organic material (grass clippings and leaves) worked in.

A.
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Downtoearthdigs
Certified GKH Gardening Expert
Answered on September 14, 2018

Your onions do not need heavy fertilization. It is best to do half strength all-purpose fertilizer. Onions grow bigger by having more leaves. The more leaves they produced, the bigger the onions will be. If you feel you need a little boost, then go with a higher nitrogen fertilizer.

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