txags92 said:

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What kind of fruit trees?

Satsumas can handle it pretty cold, but I would still cover to protect. Something like key lime or meyer lemon, I would cover and add incandescent christmas lights to keep them warm.

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Animal Eight 84 said:

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New growth will be burned back by a hard freeze.

Normally I would say don't bother but since it's a newly planted tree , probably stressed, and just a couple I would cover. However the freeze won't kill the tree.

You have everything to gain and little to lose by covering. I would cover. Loosely drape cover to ground to capture ground heat, don't lollipop.

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Gunny456 said:

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This brings back a memory of my youth. Grew up on a small farm in the Texas hill country. My grandparents lived on the old family ranch next to our place.
We both had 5-6 fruit trees.
My dad was a cop and used to use what we called "smudge pots" for traffic markings at night in construction areas.
They were bowling ball sized gizmos that held kerosene and a wick you would light. The wind would not blow them out.
Their real name was "railroad flares". They would easily burn a day or so with one filling.
Anyway my dad and grandfather would set them close to the base of each fruit tree and light them during hard freezes to keep the budded trees from freezing.
Amazingly it always worked as none of the little buds would freeze.
Here is what they looked like. They are collectable antiques now.
Any other olds remember these?

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