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Will kumquat trees grow in St. George, Utah?
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Kumquat trees are the most cold tolerant of all of the citrus. In St. George we will dip into the low to mid 20s during January. Kumquats should survive in town OK but probably not in the outlying areas which typically get into the teens.
The few people I have seen grow oranges and lemons here have them well protected in the winter, such as an enclosed porch.
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