It survived in the ground here (NW Arkansas) for 15-20 years without mulch or special care. Winters to 10 F were no problem. I didn't see it this year, after last winter's -12 F. Steve On 1/11/2022 2:49 PM, Jane McGary via pbs wrote: > Dichelostemma ida-maia grows outdoors in my Portland, Oregon garden in > a well-drained position, and has survived 18 degrees F without cover. > I think it can go quite a bit colder. > > Jane McGary > > On 1/10/2022 4:49 PM, jibart--- via pbs wrote: >> OttolineMy Dichelostemma ida-maia which I planted in pots last >> October, are just coming up. I have noticed that bulbs left in the >> ground all summer will come up about a month sooner than than fall >> planted bulbs.These bulbs do not need frost protection which is part >> of their annual life cycle. Mine have survived 24 degrees F with no >> problem, although I do not know at what temperature the will be >> killed. Sun Set zone 14 west of Modesto CA.Jim Barton _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>