California worms will not be left for winter on the site - they will die of cold even on the compost heap. Vladimirsky, in principle, may be, but remodeling a winter apartment is a very laborious and difficult process. Yes, and from rodents, which worms - a cure, protection is needed. Therefore, for breeding to maintain the site it is best to choose locals. But for the production of vermicompost and feed fish, birds and animals - cultivated.
