One U.S. garden I visited had smooth rocks for labels. The names were done with a paint marker, which contains oil-based paint. Diane Whitehead Victoria B.C. _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> PBS Forum https://…