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“This will help protect the containers from the freezing temperatures. For larger containers or built-in planters that can’t be easily moved, protecting these with coverings is a good option.”
In temperate regions of the northern hemisphere where cold temperatures are expected seasonally and are usually for long periods of time, the main strategy is freeze avoidance. In temperate regions of the southern hemisphere, where seasonal cold temperatures are not as extreme or long lasting, freeze tolerance is more common. [2]
Plants that originated in the tropics, like tomato or maize, don't go through cold hardening and are unable to survive freezing temperatures. [3] The plant starts the adaptation by exposure to cold yet still not freezing temperatures. The process can be divided into three steps.
The process of freezing tolerance through cold acclimation is a two-stage mechanism: [4] The first stage occurs at relatively high subzero temperatures as the water present in plant tissues freezes outside the cell. The second stage occurs at lower temperatures as intercellular ice continues to form.
While most of the winter weather alerts expired Thursday morning, a renewed concern for freezing temperatures overnight Thursday into Friday morning has prompted additional Freeze Warnings for ...
The cold temperatures will bring widespread frost mainly after 3 p.m., according to NWS. Patchy fog could descend before 11 a.m. Saturday and will dissipate as temperatures are expected to rise to ...
The fatality rate increases to 100% if the plant does not receive the necessary period of cold temperatures required to break the dormancy. Most plants require a certain number of hours of "chilling" at temperatures between about 0 °C and 10 °C to be able to break dormancy (Bewley, Black, K.D 1994).
Safeguard your garden from the chill with these savvy tips.