Last year was a typical freeze, according to scientific data, average. The last 10 years have been light.
"Research by UF" is quite ambiguous. Can you be more specific as to the research performed? There has been quite a lot of research data published on the subject and I read all I find, haven't found any scientific data agreeing with what you say, and plenty of data saying queen palms are fine here. Not to mention tens of 1000s of queen palms looking pretty happy in this zone over the last 50 years.
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