when fishing season is over.........roundish oct, hereabouts(then theres ice fishing but i dont freeze anymore thankyou) I have been taking my left overs and putting them in my plants containers.........just the worms themselves, yes they do prefer to be cold, but mine survived in 60-75 degree temps just fine, airated the begeexes outa my soil and there shit is worm castings man,,,,cant go wrong there