What’s the best way to overwinter plants I’m propagating?

Question: I would like to know the proper way to overwinter plants I’m propagating. I have one pot with five Cardinal Flowers (to divide for a Spring plant sale), two pots with ornamental shrubs (from cuttings made last Spring), and three pots with apple rootstock (less than a pencil width that were pulled and potted read more What’s the best way to overwinter plants I’m propagating?