Fertilizing Onions

summit added on May 18, 2011 | Answered

I have already planted my onion sets. I have heard not to put fertilizer close to the onions. How should I fertilize and with what? Thank you.

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Certified GKH Gardening Expert
Answered on May 22, 2011

Fertilizer while the sets are young can burn them. Give them a little time to establish and then you can fertilize with a slightly phosphorous heavy fertilizer. Before fertilizing, make sure the plants are well watered and try to fertilize on a cloudy day. This will reduce the risk of burning the plants.

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