Dave Hill wrote:

I thought I had made it clear, but let's try again
Has anyone here tried planting Potatoes in the Autumn and letting them
over winter in the ground so that they get away as soon as conditions
allow in the spring.
I am sure I heard about this On Gardeners Question Time last year.
If there is a chance of a late frost once they were up you could
always cover with fleece.

Not quite Autumn, but a chap on my allotments dug his first International
kidney (Jersey Royals) last weekend after planting under clotches in
December. Still not seen the real thing in the shops yet although you can
get them by post from Jersey (for £9.95 per kilo!)

Tom