In making plans for my first attempt at vermicomposting here in Zone 5A,
I am wondering whether and to what extent this activity may continue
uninterrupted, albeit slowly, during the winter months. Do the red worms
die off in winter or just hibernate if left outdoors in their box in a
dormant garden? If they are likely to die/freeze out, would it be
sufficient to move the plywood worm box into an unheated garage or
uninsulated outdoor storage building instead? Or do you folks build
insulated worm boxes for such environments even for the unheated,
uninsulated shed? The web sites I've seen so far do not seem to address
these particular questions directly.
I've had my worms in plastic bins with shredded newspaper bedding. A
couple of times when I've had them indoors in the winter there's been
a plague of flying insects from the boxes. This happened early last
winter and I put them outside where I assumed the cold would kill the
worms. I was surprised to find them still alive this summer. I live in
zone 5, Columbus, Ohio.
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