Jane, They are tiny and numerous, I think they like the ease of digging in there. I have set up an alternate empty pot nearby, laid a trail of ant scent by dribbling them to the new location and am stirring the colony to displace them. I will see if my diplomatic tactic works and they swarm away, Yoli Chevy Chase MD _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…