Clay or ceramic is about the only alternative but needs more watering. The other way is to put your pots within larger pots and fill in with sand as an insulator and of course shade cloth. Just out of curiosity, what kind of shade cloth did you use and how did you attach it? Any chance of a photo of your design? Robin Hansen Soon to be faced with the same problem _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…