If anyone here wants starts for Egyptian Walking Onions (EWO), PM me your mailing address, and I'll send you some. I have a bed of them and I have PLENTY of bulbils (topsets) to share.
Once they get going, you will have onions forever. As long as I can get a shovel into the ground, I can have fresh onions. EWOs are a shallot type of onion, not a bulbing type.
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This is the bed:
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The entire plant is edible. The greens are like chives/green onions. The bulbils are small, about fingernail sized. If you did up half of the clump, it will refill. If you dig up the entire clump, that plant is gone, but believe me!!! they fill in. The name "walking onion" comes from the topsets falling over and starting a new plant, and "walking" across the bed. No idea where the Egyptian part comes from.
Start with crowns, not seeds. That will save you a year.