How to Save Onion (Allium cepa) Seeds
Seed Saving Guide #2722
Binomial name: Allium cepa
|Flower Type||Perfect, self-fertile|
|Population Required for Viable Seeds||5|
|Population Required to Maintain Variety||20-50|
|When to Harvest||In the second season, when capsules containing seeds begin to split open. Mature seeds are black.|
|How to Harvest||
Cut flower stems (scapes) 20cm below umbels and dry in a paper bag or on a screen for 7-14 days until the seed head is dry. Gently rub capsules to release the seeds.
|How to Clean||
Screen or winnow to remove chaff if required.
|Image of Seeds|
A cold period of at least 8-10 weeks below 10°C is required for plants to produce seed.
What is Seed Saving?
Seed saving is the practice of collecting and storing mature seeds from open-pollinated plants. By allowing plants to reach full maturity and harvesting the seeds, they can be cleaned, dried, and stored for future use.