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Should white onions bloom?

Tracy Brant
14 years ago

I am growing yellow, white, and green onions for the first time. I planted white and yellow sets in March, and they seem to be doing very nicely. But today I see that one of the white onions has a bulb thing on the top - I guess it wants to bloom?

We just had a big heatwave in the upper 90's here in the NE - 20 degrees hotter than usual for June. Did that make the onion "bolt"? Should I cut it off? Let it bloom?

What signs am I looking for to know when to harvest my onions?

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