DreaminAboutPalms Posted December 8, 2021 Report Share Posted December 8, 2021 (edited) 1 hour ago, UK_Palms said: @Dreaming_of_Zone_15b If all of those palms survived the 2011 freeze, there is no way they took -25C / -13F back then, especially when they were much smaller too. It couldn't have been anywhere near that cold, surely. Robusta dominant hybrids and CIDP's would not take -25C / -13F with 83% humidity. That is basically a 5b winter in a 7b/8a zone. I would say -20C is the absolute limit for them, but that is still pushing it, even in a dry, semi-arid or desert climate. CIDP's have died from -12C to -14C along the French Med and they have been killed by -18C in the Atlas Mountains of Morocco, which is even drier than Alamogordo. There may not be much moisture in the air, but the moisture that exists within the cells of the palm will still freeze to the point of death at a certain temperature. When the cells freeze and expand the cells are destroyed. The smaller the palm, the more susceptible due to less mass and insulation. There's no way small CIDP's are taking -20C or lower and surviving. I suspect Alamogordo only went down to -18C or something during the 2011 event, similar to Las Cruces. Even that is hard to believe though. I wonder if people protected many of those ones during the 2011 freeze? I could imagine quite a few of them have been planted since the freeze as well. Nonetheless, the CIDP's and Robusta hybrids in that thread have probably survived temperatures that are almost unheard of anywhere. I agree. I’ve looked around in google maps street view from April 2011 and the damage is no worse than in El Paso which hit 1 degrees or in las cruces. Edited December 8, 2021 by DreaminAboutPalms Link to comment Share on other sites More sharing options...
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