> When I mentioned that "moderate freezing" would not damage the plants, I > meant temperatures down to about 20 degrees F (about minus 6 C). Much > colder temperatures are likely to occur in Denver, Colorado, where Bob > lives. I should clarify that by saying that I meant freezing as the plants are about to flower. Air temperature. (Frost is almost unknown here.) The soil temperature here in winter never gets as cold as –6C. Bob Nold Denver, Colorado, USA _______________________________________________ pbs mailing list pbs@lists.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/