Fall is here in San Jose

Arnold Trachtenberg arnold@nj.rr.com
Sun, 21 Sep 2008 18:15:18 PDT
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 


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