I’ve been growing and planting my own onion seed for 3 or four years now (with an additional planting of new commercial OP seed as well) and just harvested this year’s “crop”. Noticed something different this year. The replanted onions grew great and flowered, however most of the flowerettes did not produce seed, maybe around 10%. One other odd thing is most of these flower heads also produced tiny onions, like an egyptian or walking onion.
I am curious if there are any other onion seed growers out there, and if anyone knows what might cause an onion to favor “sets” vs seed.
I will plant the “sets” just to see what they produce, but it seems a bit odd.