Thanks for the advice guys. I live in Bristol, England. It's chilly atm but no frost yet. Think I'll dig them up and put them in the fridge just to be safe.
I have 2 tortoises, a male and a female, they are both in good condition to hibernate on the Jackson ratio. Both are 8 yrs old. For the last 4 years I've hibernated them in a fridge, building up from 2 months to 4 months or so. My problem is this - both tortoises live in the back garden and this...