Harvesting Onions and Saving the Seeds

Author: Meera, August 9, 2013


harvesting seeds from onion blooms

Shaking an onion bloom releases the black seeds for growing new onion sets to plant in the garden


This year I grew Red Baron (red) onions from tiny sets. I pretty much just laid the thin little onion strings on the ground and sprinkled a little soil over them. I kept them wet and those little strings turned into really fat bulbs of purplish red onion with tall green stalks.


However, when the plant shot up some stalks that were two to three feet in height and sprouted a globe type bloom, I wasn’t sure what to do.Well, now I realize that those globes hold tiny black seeds that will turn into my next crop of onions.


When the bulbs started to turn a little dry, I clipped them and let them dry a bit more on my patio table. Then I laid them onto some white poster board and shook them vigorously to release the tiny black seeds (about the size of mustard seeds).


I put the seeds into a white paper envelope and then labeled the envelope with the name of the onion and the date the seeds were harvested. I can’t wait now until fall when I can sow the seeds into flats and then plant the new sets.


I got a lot of onions this year that I used in soups and salads.  I can only hope that next year’s spring crop will be as bountiful.




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