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I'm only really concerned about the two new citrus trees we put into the ground several days ago, and the trees with fruits still on them. Generally citrus here will be OK as long as the temps don't drop down much into the low 20s or below. And some varieties are more cold hardy than others.
We have a bunch of larger tarps in the shed to cover the citrus when needed, as that is normally good enough to protect them. Putting a bed sheet between the plant and the tarp will help on especially cold nights because leaves touching the tarp can suffer some damage otherwise.
I don't think we really NEED to cover anything this weekend, but I don't have a whole lot of faith in the weather service giving an accurate forecast, so better to be safe than sorry.
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