I don't know the frost line for far northern Chile, but there is snow at this elevation at least 200 km north of Santiago, and the Santiago ski areas feel like they're below 10,000 ft. (i.e., I don't get out of breath walking around there). Jane McGary On 2/17/2022 11:19 PM, oooOIOooo via pbs wrote: > In Peru 10,000 feet is often below the zone where frost occurs. It gets very cool, though. I don't know about Chile. > > Leo Martin > Pboenix, Arizona USA > Zone 9? > > Sent from ProtonMail mobile > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>