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Worms and castings.We know, no one want’s to think about it, but the truth is, colder seasons are soon to be upon us.  With the smell of harvest in the air we like to remind our fellow worms farmers, those in the northern climes at least, to watch the night-time temperatures.  While we still enjoy beautiful sunny and warm days, evenings are getting cooler.  Unless you have a large compost heap, big enough not to freeze through to the middle even at -30 C, any outdoor worm bins should be monitored around this time of year.  The danger of freezing is quite remote but radicle temperature fluctuations can deter worms from reproducing.  If you have a standard “rubber maid” worm bin out on the balcony or in the yard, you may want to think about moving it to a more stable temperature environment.  Red composting worms like it hot and while they can tolerate some fairly extreme long-term temp changes, seasonal changes in large outdoor composting operations for example, they can become stressed by daily shifts.  Here in Manitoba the overnight temps can dip to single digits in August and rise to the high twenties during the days.  Composting worms are from much more temperate zones and would prefer a consistent climate.  Move your little darlings inside, think of them as delicate flowers or annoying brats, whichever suits your fancy, but try to give them a nice steady temperature to work with.   http://www.naturesperfectplantfood.com/2013/01/04/winter-worms/

Here’s a link for more info on temps and red composting worms.

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