![]() ![]() Remember that on a cold, clear night with little or no wind movement, leaf temperature can easily drop three to four degrees below air temperature because of radiation heat loss. Lemon and lime trees are easily killed or severely damaged by freezing temperatures from the mid- to high-20s. Sweet orange and grapefruit are somewhat less cold hardy and usually show severe damage at temperatures in the low- to mid-20s. Tangerines and mandarins usually withstand temperatures as low as the low 20s before significant wood damage occurs. When they are properly hardened, bearing trees withstand temperatures as low as 18–20☏ without much wood damage. The kumquat, calamondin, and satsuma have the greatest degree of cold hardiness. Listed below are the different citrus types based on relative cold hardiness ranked from more hardy to more tender. Citrus types vary in their tolerance to sub-freezing temperatures.Ĭitrus trees can lose their leaves because of the cold and still survive. In areas where winter temperatures regularly dip below 25☏, citrus trees need a sunny spot protected from frost and freezing temperatures. This means homeowners in most Mississippi counties are restricted to growing citrus in some type of container. Counties slightly farther north can grow citrus in protected areas, but as you get farther from the coastal regions, outdoor winter protection becomes increasingly more difficult. In-ground citrus production in Mississippi is generally recommended only in the counties situated along the Gulf Coast. ![]() ![]() The most famous, L’orangerie du château de Versailles, was built for Louis XIV from 1684 to 1686. Europeans grew citrus in beautiful and exotic orangeries in the 17th century. It's not uncommon to grow the small tree in its starter container for a full year or more before transplanting it into the landscape.Growing citrus in containers is not a new trend. Continue to grow the new tree in its container until it is large enough to transplant into the landscape or into a permanent patio container.
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