You say your greenhouse doesn’t go below 45-50F. What are the high temperatures? I agree they look like they’re confused about the season, and/or getting too dry. On Tue, Jan 21, 2020 at 8:36 AM Peter Taggart <petersirises@gmail.com> wrote: > They look confused as to what season they are in. Maybe try some in the > ground against a wall? They will take considerable frost, though they might > suffer leaf damage. > Peter > Uk > > > On Tue, Jan 21, 2020, 3:20 PM Arnold Trachtenberg via pbs < > pbs@lists.pacificbulbsociety.net> wrote: > > > I've had these Arums for a number of years. A. palaestinum, A. > korolkowii > > and an Arum I was given by a colleague in Puglia, Italy. > > The soil has been changed and pots sterilized more than once. > > I feed with an organic fertilizer Down to Earth which is a blend of > > organic components. > > I have them under some T-5 LED lights in a cool greenhouse not below > 45-50 > > F. > > Any suggestions would be most appreciated as to how to correct this > > condition. > > > > > > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…