the first frost is usually just after Halloween, then the temprature drops to -15C (-5F I think) around Xmas, I start plating my broad beans sunchokes and first salads arounf the end of march begin april as the soil warms up again although there is still risk of a freak frost untill the middle of may.
I was reading Plants for a future, and the kiwi page(
http://www.pfaf.org/user/Plant.aspx?LatinName=Actinidia%20deliciosa)
doesn't mention a problem with growing kiwi in the UK, while another page I found (
http://www.gardenology.org/wiki/Actinidia_deliciosa) claims that kiwi needs 240 frost free days to be successful. which will be impossible for me.
I've looked around and can't find seeds for hardy kiwis here. do you think your friend on Koln would like to post me some? or share the info of where she got her seeds?