42 degrees N. I generally don't protect them. I'm in USDA Zone 9b and mostly have palms that are solid down to 26F or so.

I live in Norway, Europe: 60º North. Zone 8

Trachycarpus is probably the best palms for us.
I grow wagnerianus, fortunei og takil(still call them that :) ) Little og none protection.

Some of my friends also grow Chamaerops humilis and Butia capitata.

We have quite nice winters because of the gulfstream. It gives us water from the Gulf of Mexico. The summers are to cold for some of the zone 8 palms growing in the US.

I live in Southeast Michigan, zone 6b. Yes, I protect them, I have a Trachycarpus Fortunei in the ground for the last 2 years, and last summer I planted a sabal minor, which I think got fried from 5 consecutive nights with low temps between 0 and -5F. The T. Fortunei is heated with rope lights, got down to 6F several times, and still looks good. We'll see how well it looks come spring. I also have several other palms in pots, as well as new palms I plan to plant this spring, most of which I will not protect. Our summers are plenty hot for most, if not all types of palms to grow, it's just those below normal winter lows that force me to protect my palms.

Small sabal minor in the ground for three years now, no protection except for a spray with Wiltpruf once or twice a winter. Didn't get the second spray done this year and I expect some leaf burn from the severe cold stretch we've had the last several weeks. It's a small plant and doesn't grow fast, especially when I have to trim off burnt leaves, but it's alive with minimal fuss. I've also transplanted it a couple times; I hope it will do better now that it gets to stay in one place.

Planted 7 windmills & 1 mexican in December, mexican has already crapped out and replaced with another wind. Winds are 5 gallon and look good, temps have been 40's day- 20's nite. Next week back to 50's 60's.

Little Rock, Zone 7b/8a.

I have the following in the ground for several winters with no damage:

Trachycarpus fortunei
Sabal minor
Sabal louisiana
Butia capitata
Serenoa repens
Musa basjoo

I have protected my washingtonia robusta with just a tarp the last few winters with no heat. It has grown like wild.

Vancouver Island is the place where the northernmost palms are grown in North America without protection. Mostly windmills of course.

Austin: Washingtonia is marginal here. Moisture is an issue with that faster growing palm. Here's one specimen that did have overhead protection. Do you have a Jub? I find that they are tougher than Butias. As far as I know Brahea edulis is better vs Washingtonia for my PNW climate

Cheers

Washingtonia link:
http://palmtrees.cybersites.ca/gallery/album07/Washingtonia

Here is a link that might be useful: Trachycarpus fortunei in Victoria, BC

Hey, Dennis. No, I don't have a Jub. I'm afraid they grow too slowly and if they get damaged from our winters, then they would take forever to recover. I don't plan on trying one anytime soon; for now, I'm happy with my needle palms, trachy species, and sabal species. That specimen looks great, but they planted it too close to the house! Windmill palms are definitely the best bet for your climate and for SSI.

Hamilton 43° 16' N 79° 54' W

All palms protected here. While we are fairly mild here these years, we do have some pretty harsh deep freezes..

like....... THIS YEAR!!!! ):D

We've reached -16.5C (2F) for a day and then the last 2-3 weeks with dips down to -15C (5F) night to -10C (14F).

So, due to that, I'm just too chichen to really leave any palm unprotected to fend for itself.

But, here's our current list of palms that are protected and with that, doing very well:

- 2, Washingtonia Robustas (1 in the portable hoop greenhouse, the other, in the middle of the back yard with its own little structure/heated).

- 3 Chamaerops humilis (2 in ground in hoop house, 1 in pot)

- 3 Rhapidophyllum hystrix (all in pots, hang'n out with the Washie outside)

- 3 Trachycarpus Fortunei (all in pots). 1 or 2 may be planted this spring

- 1 Trachycarpus Takil (planted and protected by its own little structure/heated)

- 1 Triangle Palm (I think it may be Neodypsis decaryi, but not sure; in pot of course, too sensitive to be planted)

- 4 or 5 Livistona chinensis. All now in pots. Had 1 planted which made it fine the first year. But died the 2nd year because I didn't dry out the structure first and didn't apply any heat, so it went to mush.)

I think that's it.

So yes, all protected up here and can't wait for the end of March, early April.

Anyone in Kansas with palms?

Well we are in Chicago and we have a few palms in the ground. They have a plastic cold frame to keep water out and no heat just a couple halogen lights.
We have
2 T fortunei 8 ft
2 T fortunei " Taylor " 2 ft
1 Butia 4 ft
2 W. filifera 4 ft
4 sabal minor N. Texas type
2 Rhapidophyllum hystrix 2ft
1 southern magnolia (BBB) 7 ft

Just bought and putting in the ground this year a 6ft needle and 2 - 12 ft Sabal Palmetto ( I know I will have to cover the palmettos with something amazing lol )

No protection ... Sabal Minors, Needle Palms, one Bulgarian Windmill, various trunking Yucca Trees, Nolina Micro, Nolina Texana, various agave.

Heavy Mulch mixed with pine needles .... Sabal Brazoria, Sabal Louisianas.

Burlap Wraps .... Takils, Waggies

ZN 8 microclimate, against house, southside, full sun ... Chamaerops humilis both Green and the Blue versions ( wrapped in burlap )

I have 2 Trachycarpus Fortunei in the ground and heavily covered both are yearlings. Now that we are out of the artic freeze (a month of +5 to -5 degree f temps) I should be able to check them this week to see if they lived.......

I'm growing palms in Washington, DC. I've had Rhapidophyllum hystrix in the ground for 1 year, Trachycarpus fortunei in the ground for 3 years, and T. wagnerianus and Sabal minor in the ground for about 5 years. All are still small but the T. wagnerianus have done extremely well and have made it through single-digit temperatures with no spear pull and very little damage. This winter I gave them no protection except for a heavy leaf mulch, so I'll know in a few weeks how well they weathered this winter's low of 7 degrees...

Twelve Palms in my yard just east of Pittsburgh. Trachycarpus fortunei/wagnerianus hybrids, Rhapidophylum hystix and Washingtonia robusta, Butia capitata. All protected and doing very well.

28 degrees North latitude.

• 4 medjool date palms
• 1 cretan date palm
• 1 malay dwarf coconut palm
• 11 pygmy date palms
• 1 alexander palm
• 1 needle palm
• 2 clumps of lady palms
• 1 bismarck palm (blue form)
• 1 sabal palmetto (volunteer)
• 1 Mediterranean Fan Palm 'cerifera'

The only thing that is protected is the coconut palm. That involves tying the fronds up to guard the spear, then wrapping a blanket around those fronds and tying the blanket shut.

Virginia just a little south of Richmond, I am growing 2 Pindo Palms, 1 Needle Palm, a Mediterranean Fan Palm, and a Windmill palm. No palm has died from cold damage.