I usually do this wrong and though I would get some advice as to how to do this right.
I have a fairly successful row of onions in this year’s garden, a few of the tops are starting to fall over but not that many yet, but frost/freezing weather is forecast in the near future (this weekend).
I am wondering what the best harvest plan would be. Should I pull the onions before any frosts/freezes? It will likely only be going down to 30F or so in the coming days then warming up again. Or harvest the ones whose tops have already fallen over but leave the rest. Or would it be better to knock the tops over on the remainder and wait? And another alternative would be to cover the onions overnight.
How does frost/freezing effect storage ability of onions. Do I need to get excited about a low of 30F or so?