I overwinter my palms with X mas lights followed by a frost cloth and then a plastic garbage bin. The lights provide warmth and the frost cloth keeps the warmth in. The plastic garbage bin protects the palms from moisture and also protects them from wind and keeps more heat in. The protection takes only 5 minutes to put on and can easily be taken off on warm days. For me, it kept the palms about 17F to 23F warmer than the outside temperature which is cool enough to keep it from overheating, but more than warm enough to keep them from being too cold. I put the protection on below 25F and also put it on on cold days. I start to put the plastic garbage bin over it around this time of the year, but only when it rains. This keeps them dry for the winter.

Good luck! Also since it sounds like your palms are still small, you dont have to use a garbage bin, you can just use an empty plastic pot, or large plastic container.
-Alex

I agree. I have cat palms in the ground which are marginally hardy here and use this method. They come through just fine.
Barb

That should work fine until they get larger and you require a larger covering.

I built a frame and covered it with palstic and turn on a 40 watt light bulb on inside the structure on nights below 25.

Last year, I overwintered my Pindo with a thick layer of mulch and then a leaf cage. Would have worked fine except I neglected to cover the top. Pindo recovered, but had some moisture damage. So you can do that and fasten a tarp on the top.

This year I purchased a mini PVC greenhouse for the Pindo. That plus a 100w bulb should keep her happy.

I just give my Sabals a thick layer of mulch and they survive, albeit it with a few winter wounds. If you can be more ambitious (lights), then all the better.

I plan on R-13 insulated sides and a removable top on warm days with the same insulation on top. I live near Springfield Mo and I'm just hoping for the best. I have a Pindo and a Windmill . I have the ground around them covered in pea gravel for retaining heat. They are also in between my house and a building on their north side for even more protection. What do you guys think? Will this work?

Thank you, Jamie

I plan on R-13 insulated sides and a removable top on warm days with the same insulation on top. I live near Springfield Mo and I'm just hoping for the best. I have a Pindo and a Windmill . I have the ground around them covered in pea gravel for retaining heat. They are also in between my house and a building on their north side for even more protection. What do you guys think? Will this work?

Thank you, Jamie

It sounds good but you should put something in your boxes for heat such as christmas lights. Also im not sure if the pea gravel would help with anything. I think mulch would be better.

I agree, the insulation sounds great, but a little bit of heat is definitely needed, especially for the pindo. One of my pindo survived 12F last winter with no protection and a bit of damage, but it seems like in my experience pindos will get damage around 20F when young especially in a northern climate where temperatures dont get warm during the day like in the south. My pindo palm protected with christmas lights as additional heat have no damage.

Good luck!
-Alex