Red wiggler worms thrive in temperatures between 55° and 75° Fahrenheit (12° to 24° Celsius). They will slow down reproduction and feeding in extreme heat or cold, and can even die if the temperatures get too extreme.
What temperature kills red wigglers?
High heat (above 84 degrees) is fatal to them. Too much salt or acidic food waste can kill them.
How hot is too hot for composting worms?
Worms cannot withstand the extreme temperature of a composter placed outside during a heat wave. Worms cannot survive at temperatures above 35°C / 95°F. Put your composter in a fresh place in the shade like a cellar, a laundry room, a basement ….
Can worms survive heat?
The hottest temperatures can kill off an entire worm population if you do nothing to help save it. Even if your worms survive, a heat wave can make them sluggish, sick, and useless for composting.
How hot can a worm farm get?
CategoryTemperature RangeAffect on WormsExtreme Hot> 95° F or 35° CWorms will start to die offToo Hot81°-95° F or 27°-35° CWorms will eat less and reproduce lessIdeal60°-80° F or 15°-26° CWorms are most productiveToo Cold59°-40° F or 15°-4° CWorms will eat less and reproduce less
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