I just moved a batch of 'Dancing ladies' Pam. I move them any time of the year from early Spring to about now.
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Here are some pictures of how the greens looked in the front beds last year after the first round of freezes. These were taken in mid February and early March after the landscape was bleak...
Cabbages, Broccoli, and Cauliflower.
lettuces in a box planter out front.
Turnips and lettuce in raised planter box
Keep growing and Good Night!