http://en.wikipedia.org/wiki/Pollen_source (http://en.wikipedia.org/wiki/Pollen_source)
Cool resource for y'all northerners but it sure doesn't work for Florida!
Scott
And neither for Alabama.
Hmmm... Yes, now that you mention it, it says it's for hardiness zone 5, which is the more northern states. Too bad they don't do other zone versions... but given it's a Wiki article, it was likely just put together by someone in that zone...
I modified the subject line for clarity - and to avoid unnecessarily disappointing my more southerly located beek friends!
It is possible to get an idea of where your temp zone is by using the heating degrees in the information. I have looked at this before and just use about a two to four week adjustment for my area a little bit North of that zone.