Avocado trees in south Louisiana

You can do an extension cord to something like an old incandescent Xmas light strand as said or to something like a shop light lamp or just regular lamp with a halogen bulb

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So wrap the pipe warmer directly onto the tree(7ft) and run any extra through the branches like Christmas lights, then wrap w the cloth?

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Exactly.

The idea is that the warmer generates heat and the frost blanket creates a barrier that keeps ice off and traps the heat in.

For palms you want the heat on the top of the trunk where the branches pop out, for citrus and fruit you need to protect any area with buds meaning the branches are more important than with the palms.

But the pipe warmer is a cheat code. Those things heat up to like 70 degrees and have a thermometer attached so they turn on and off automatically. I have one for each of my cold sensitive palms and plan to get them for my citrus as they age out from being transportable in pots.

Honestly, not sure yet. I bought this house earlier this week...just in time to deal with this artic blast! I'm not at that house right now, but from what I remember, it looks like some sort of date palm? It has the long fronds, not the ones shaped like fans (mexican palms, palmetto, etc.).

Do you get good production from this? I want to grow one

Man, thanks again for the advice. It worked great! I didn’t even lose one leaf!!