So this is only our second growing season...zone 5a (Lincoln, NE)
We've not done cool weather crops so we got some different varieties of leaf lettuce seeds...
but the info we find says simply "plant when you can work the soil". Well sometimes January in Nebraska is warm enough to work the soil!
So, knowing our frost-safe date is basically Mother's day (May 8 this year), when is it safe to plant lettuce seeds?
Is 'today' too early?
And I assume I'll need some cold shelters for them when the overnight low is below... 40F? 32F? I don't have cold frames but I have milk jugs I cut the bottoms off of last year to serve as a protective barrier.