[maizey]

hi ,i saved two of my biggest onion for seed and have rerooted them in large pots . are they ok to leave out in the winter or should i put them in greenhouse? any advice on saving onion seed would be welcome
    thanks

[DD.]

This should be everything you need to know:

http://www.gardenorganic.org.uk/sites/www.gardenorganic.org.uk/files/resources/hsl/10_OnionsLeeks.pdf

It would appear to suggest that you were a bit premature in re-rooting your onions and should have waited until spring They have two hopes, of course, and to give them the best chance, I'd pop them in the greenhouse.