Thanks, I'll check the archives. Cheers, Bracey -----Original Message----- From: pbs-bounces@lists.ibiblio.org [mailto:pbs-bounces@lists.ibiblio.org] On Behalf Of Arnold Trachtenberg Sent: Sunday, September 21, 2008 6:15 PM To: Pacific Bulb Society Subject: Re: [pbs] Fall is here in San Jose Bloom initiation has been discussed here at length. You may try searching the archives. I think there are many factors that cause a flower to bloom. I have Arums in a basement under HID lights that know when fall is approaching in spite of the fact that I never change the day length on the artificial illumination. The temperature is relatively constant as well. Arnold _______________________________________________ pbs mailing list pbs@lists.ibiblio.org http://www.pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/