Point taken. I'll now consider a frost-free shed to be dry and never below 4 deg celsius, 192.168.100.1 192.168.1.1 just to be on the safe side. Maybe telly gardeners, and the like, should explain the concept for the benefit of folk like the original poster and myself when they use the term.
I am in Deux Sevres. My first winter here, 2004-05, the temperature dropped to minus 15 overnight. (as far as my measurements showed) I came here to escape the Scottish weather...
it's hard for me because I lived almost all my life on the west coast !!
You've been reported for adding links into other people's posts. Give it a rest.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
@Joex - it's not that obvious, as with small greenhouses. The insulation properties of bubble wrap, fleece or a shed is good to explore and not take for granted.
Obvious? Well not if you’ve never looked for it or had the structure. The point is that frost forms or doesn’t, there may be a combination of factors that achieve that, but you shouldn’t be blind to the fact that it is the frost formation that needs to be avoided, as opposed to a specific temperature for example.
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I live in west central Scotland - not where that photo is...