You may wish to plant extra plants if you want onions to eat during the first season.

There’s no harm in having a little bit of stem or seed head in your seeds unless you are sprouting them. If you plant it along with the seeds, it will just decompose.

To prolong the seeds viability, put them in a paper envelope to absorb the moisture and keep them in an airtight container in the fridge. [8] X Expert Source Olivia ChoongPlant & Gardening Specialist Expert Interview. 3 September 2021.