How to Protect Your Trees From Frost Damage

It can happen anytime now…Tucson’s average date of the first frost is Nov. 28th. Not all citrus varieties are equally cold hardy. Sweet and navel oranges, tangerines, tangelos, and grapefruit trees can tolerate lows down to 25ºF without significant damage. Lemon, lime and citron trees are more sensitive and will suffer some damage below 29ºF.…

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