Please see my other message: the process of starting and hardening, and
then recovering in the ground will total as much or more than the total
amount of time to maturity for the Chinese Broccoli; for the pac choi, not
so, though. Check Peter Chan's gardening book (I think it is called Peter
Chan's Magical Garden (yukk)) which discloses his year round, 10 day to
harvest pac choi growing technique….