Sue, one way you could easily insulate for cold is put a 6" pot inside a 7" pot or bigger & spray foam between them, make sure u clear drainage holes. Steven Australia On 18 August 2015 at 10:17, Sue <sevanetz@telus.net> wrote: > How about double potting for cold resistance ? > > > > > On Aug 17, 2015, at 6:03 AM, David Pilling <david@pilling.demon.co.uk> > wrote: > > > > Hi, > > > >> On 17/08/2015 11:13, Hamish Brown wrote: > >> Not being satisfied with unsubstantiated recommendations I ran an > experiment > > > > There is a page about temperatures of the containers bulbs live in on > the PBS wiki: > > > > > http://pacificbulbsociety.org/pbswiki/index.php/… > > > > > > > > > > -- > > David Pilling > > http://www.davidpilling.com/ > > _______________________________________________ > > pbs mailing list > > pbs@lists.ibiblio.org > > http://pacificbulbsociety.org/list.php > > http://pacificbulbsociety.org/pbswiki/ > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > -- Steven : ) Esk Queensland Australia Summer Zone 5 Winter Zone 10