Anyone have any experience growing this plant, sure is a beauty. It sort of looks like a lambs ear on steroids with cobwebby filiments on the leaves.I think it is borderline hardy here, maybe a 4 generously. I thought I would try it in a sheltered position closer to the house. Has anyone wlse grown this successfully in a zone 3 garden?(Actually I'm even being generous with that!) Thanks, Debbie.