It was Mike Mace who gave the link, in response to my posting, so he deserves the credit, not me. I do agree though, it is a fantastic resource and the result of considerable hard work. Norman -- This week's "*Life in a Dol house*" Blog: *https://goo.gl/D0P8Iu/ <https://goo.gl/D0P8Iu/>* The natural year in Dol: : *https://goo.gl/8TxpSs/ <https://goo.gl/8TxpSs/>* The weather today in* Dol *: *https://goo.gl/3aRJ2c/ <https://goo.gl/3aRJ2c/>* On 10 May 2017 at 10:23, Shmuel Silinsky <gardenbetter@gmail.com> wrote: > This is a great thread. Here in Isreal we are a country the size of New > Jersey that goes from alpine (Mount Herman - which has a ski resort) to > extreme desert in the south and everything in between. The PBS wiki page > that Norman gave is fantastic. I had not seen it before - there are truly > hidden treasures here. > > Norman wrote: > > > > > > > > > > *FYI for new list members, there is a zone system for summer-dry climates > onthe > http://… > <http://pacificbulbsociety.org/pbswiki/index.php/…>Even > that is just an approximation, of course, since it doesn't take intoaccount > things like soil type and moisture from fog. But it's a startingpoint to > understanding the native climate of a particular summer-dormantbulb.* > > One thing I have never really understood (only one?) and if it could be > explained Iwould really appreciate it. The chart combining cold and wet has > Coldest Winter Month lows average. This is a puzzle to me as to how to use > that info. Is it the average of coldest temp for that month? Isn't the > actual lowest temperature more impiortant? I live in Jerusalem - C3 on the > chart which has lows average of 40-45 F. Yet we have consistently weeks > with nights at freezing, one or two snows a year, sometimes getting a few > inches. Definitely frosts. That is generally the limiting factor for most > gardening. Is it that geophytes nestled in their insulating bed are more > affected by the average than the air temp? Of course, when those cold snaps > happen, the winter growers are already above ground... > > I have seen average lows on many charts and just do not understand how to > use it. > > Thanks! > Shmuel Silinsky > _______________________________________________ > pbs mailing list > pbs@mailman1.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > ᐧ _______________________________________________ pbs mailing list pbs@mailman1.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/