They last pretty well down south here at 57°N on the west coast of Scotland, but you need to make them out of fairly good wood, or PVC pipe is better. They'll w

They last pretty well down south here at 57°N on the west coast of Scotland, but you need to make them out of fairly good wood, or PVC pipe is better. They'll withstand even the 140mph winds we get for four weeks of the year (in the local language we call this "January") but if they get hit by flying debris they're gone.