Three clumps have come back here (just north of NJ and a few days behind west-central phenomenologically), and while they have not been long term residents, I have hope that they'll settle in... Carlo A. Balistrieri, Executive Director The Gardens at Turtle Point Tuxedo Park, NY 845.351.2849 Zone 6 visit: http://www.botanicalgardening.com/ and its BGBlog coming soon: Carlo Balistrieri Photography