Does This sound promising??? Its a Canadian article but only mentions zone 5? @gjones https://www.theglobeandmail.com/life/home-and-garden/gardening/plant-of-the-week-pieris-japonica-little-heath/article13425644/
@SylviaDavies hadn't thought of growing it in a pot! In a mild winter, it would probably survive here but if we had a bitter cold winter, we'd have to overwinter it in the house. Definitely something to look in to. Thanks!