Well, my milk jug green houses are doing a good job.  Planted Rapini broccoli, Broccoli, cauliflower an Brussel sprouts on 3/8 outside.  It really has been quite cold in the evenings and many days in the 40's, but all varieties have sprouted!  Any that do not sprout, will be replaced with my sprouts raised indoors, which were planted on 3/3 and they are all sprouted and some with true leaves.