Do you know the appropriate day length for your area, and if your onion varieties suit it? I am intermediate, and I've been trying off and on for years with overwintered plants for years with varying success. I do shallots and garlic as well, and they seem easier. But I am trying again this year with red marble and two cippolini varieties whose names escape me. Good luck!

Thanks for taking the time to post! Doesn't appear to be a great deal of traffic (interest) on the Alliums forum ........ My correct day length is intermediate & yes, all the aforementioned transplants are suited for my area (NE Kansas).....

All my transplants have been planted for a couple of weeks & I must say they look like they are already on life support...... Purchased them from Grow Organic & when they arrived the Red Burger looked fine, but the other two, not so much...... Oh well, they were $35 shipped, nothing ventured, nothing gained.... Just don't understand why I can overwinter other Alliums with such great results while my onions look so dismal......

My spring/summer transplants never seem to thrive either which is what lead me to try overwintering..... I've been a gardener for the bulk of my 60+ years, so I know about Ph levels, soil composting, fertilizing, etc, etc, but onions seem to escape me.....

"Grow organic" is not too far from me, and I buy from them a lot, especially fall stuff like fava, shallot, and garlic "seed". You should let them know, and maybe they can help.

I usually grow my onion plants from seed, often without a lot of care, "figuring what the heck...it's winter so why not use the open earthbox and the rain?" They look good and bad off and on for several months and then some make and some do not. Not a very scientific approach. I'm trying to do better this year.

My seeds are Bianca Di Maggio, and Gold Coin from Johnnys. I don't bother with things easier or inexpensive to buy.

An earlier 6b comment.

http://forums.gardenweb.com/discussions/1715373/when-do-you-sow-cipollini-onion-seed