- Jul 11, 2014
- 10
- 0
- 22
I have 4 barred rocks, 2 RIR, and a Black Australorp. They all are supposed to be cold hardy, but what temp should the heat lamp in the coop be turned on. We live in Ohio and its supposed to be in the single digits tonight we a wind chill in the negatives. Just not sure what cold hardy means.