Filling your raised bed with healthy soil, adding amendments to it, and covering it with cover crops, will help your raised bed garden flourish, but you need to protect it from harsh weather for it to survive.
Raised garden beds can freeze but there are several steps you can take to help prevent frost damage to your plants.
You can choose whether you want a raised bed garden or an in-ground depending upon the climate and soil conditions of the area you live in.
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It's not the temperature itself but for how long the temperature remains below the freezing point that damages the plants.
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The biggest advantage of a raised bed garden is that it gives you the control and you can decide how you want to organize and operate your garden.
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