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Where can I buy a kumquat tree in Utah? Will it survive living outdoors in SLC?
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Kumquats are native to subtopic regions and are closely related to citrus trees. While they are more cold tolerant than most citrus, they can only withstand temperatures as low as 28 degrees, any colder and the plant will be seriously injured. Since our winters in northern Utah can get significantly colder than that in some years any trees planted outside would need a great deal of protection and care. The USDA hardiness zones recommended for kumquats are 8-10.
If you wish to purchase a kumquat you most likely will have to either order on line or place a specialty order with a local nursery that offers that service.
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