I know Lin; I have never seen or heard of them here either but then I've had plenty of people, master gardeners included, tell me that daylilys don't grow here. LOL! Isn't it pretty humid in the UK? With allllll that rain all the time? I'm going to say the hardest part will be finding the specific cultivar to buy --- ie: can you find it in the U.S.?
I say try it. You never know until you do. I think it should.
