I sowed brassicas at the beginning of march indoors, once germinated they went into my coldframe. Everything else has been fine, and are now under fleece at the plot (beetroot, spinach, spring onion, lettuce). The cabbage are ridiculously small, and with tiny true leaves, some of which are shrivelling. They are all in the same compost, and have had the same conditions. Calibraise and kale are a little better but also stunted. I have sowed more to replace them but wonder if its worth pricking them out into fresh compost. They are in 2″ modules so should have had enough nutrition. Any ideas?