Great photos, as usual! C. coum appears to be winter-hardy in our Zone. When grown outside, can it be invasive? I shy away from ground covers in general for that reason. Bob E TN _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>