thanks for straightening me out fellows. I'm only one zone warmer that you Eckhard and we grow palms outside and even have two native species. We grow a lot of agave species and cacti also outside unprotected. We have had 5f a time or two in the 25 years that we've been here but usually only low teens f for a very short time. Am thinking that daylight hours may make a big diffence also. Am at the same latitude as Santa Barbara California so you can get some idea of daylight hours in winter here on the opposite coast.
Some Fall pics of zone 4 Yucca - Paul Ont November 22, 2016, 1:35 pm
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