Jim, as South African bulbsdo well in my garden, and this is like zone 10a, I would not have thought cool to cold conditions necessary. At least not as I understand you to mean. Ina Ina Crossley Auckland New Zealand zone 10a On 5/10/2013 10:15 a.m., Jim McKenney wrote: > I think I'm on safe ground when I say that this prescription for cool to cold growing conditions and bright light works for most bulbs from southern Africa. I had no success at all with these plants until I tried them in a very carefully managed cold frame.