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I should know what this is, but I am way out of practice identifying palms

_Keith

By _Keith
in DISCUSSING PALM TREES WORLDWIDE

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_Keith Grand Master

_Keith

Posted
Posted

I can tell you that cold does not bother it one bit.  Ironically it is grown from a seed I brought back from a vacation in the Florida keys 17 years ago, so it is very slow growling..image.thumb.jpeg.4a6d7c23f5275cde03e519fec3162b86.jpeg

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In my post I sometimes express "my" opinion. Warning, it may differ from "your" opinion. If so, please do not feel insulted, just state your own if you wish. Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or any other damages

jimmyt Mentor

jimmyt

Posted
Posted

I’m gonna it looks like a Thrinax radiata to me, but I need practice too! 😉

  • Upvote 1
idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted

I agree, Thrinax Radiata. Very cold hardy. Some in my area took -8C with minor damage.

Looking Glass Grand Master

Looking Glass

Posted
Posted

Do you have a pic where the petiole joins at its base?  Thrinax radiata would have a split there.  

Here’s some 3g TRs…   In 17 years, they’d be 10 feet tall here.  

55CFA663-03EC-4904-AEC7-12000E3F382B.thumb.jpeg.9f192ece580e62ed58e87b5556d075a9.jpeg

6888D3F2-9778-439F-A19E-9760737FA62F.thumb.jpeg.8bc92faeccac7548842fff3290ac7b3a.jpeg

  • Like 1
Merlyn Grand Master

Merlyn

Posted
Posted

I'm going to guess not Thrinax Radiata in ground in Louisiana 9a.  Mine both melted and died in upper 20s frosts.  Plus the Thrinax Radiata has mostly solid leaves like @Looking Glassphoto.  These are more deeply split, like a Rhapidophyllum hystrix.

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Zeeth Grand Master

Zeeth

Posted
Posted

Agree with Merlyn, Rhapidophyllum hystrix

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Keith 

Palmetto, Florida (10a) and Tampa, Florida (9b/10a)

SeanK Grand Master

SeanK

Posted
Posted
10 hours ago, idontknowhatnametuse said:

I agree, Thrinax Radiata. Very cold hardy. Some in my area took -8C with minor damage.

-8°C? Why don't I see them in Savannah or Charleston?

DoomsDave Grand Master

DoomsDave

Posted
Posted

Dunno about the palm — but good to see you @_Keith!

  • Like 1

Let's keep our forum fun and friendly.

Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or lost profits or revenue, claims by third parties or for other similar costs, or any special, incidental, or consequential damages arising out of my opinion or the use of this data. The accuracy or reliability of the data is not guaranteed or warranted in any way and I disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use my data. Other terms may apply.

idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
55 minutes ago, SeanK said:

-8°C? Why don't I see them in Savannah or Charleston?

They were in a protected spot between some bushes

Merlyn Grand Master

Merlyn

Posted
Posted
2 hours ago, SeanK said:

-8°C? Why don't I see them in Savannah or Charleston?

That's because they are a Florida/Caribbean native palm and only hardy to 10a or 10b.  :D  The native Florida range is pretty much Miami to Naples.  The PT reports in KinzyJr's spreadsheet show not much damage above 30F, but variable damage in the upper 20s and basically death at 26 or below.  Based on these ~30 freeze damage reports I think it's impossible for it to survive -8C = 17.6F.  Thrinax Excelsa and Leucothrinax Morrisii both look similar and are a lot hardier, but probably not 17.6F hardy either...

Here's the official native range for Thrinax Radiata...zone 10 only!

https://florida.plantatlas.usf.edu/TempFiles/MapPic_Species621.jpeg

Alan_Tampa Mentor

Alan_Tampa

Posted
Posted
3 hours ago, idontknowhatnametuse said:

They were in a protected spot between some bushes

Are you sure you don't mean Trithranax?

Tampa, Florida

Zone - 10a

idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
59 minutes ago, Alan_Tampa said:

Are you sure you don't mean Trithranax?

Thrinax, These are the ones I'm talking about (Post-Freeze photo BTW)

Screenshot_20230205-165424_Earth.thumb.jpg.36018a240aa9d6a081e6dd7d557135a6.jpg

  • Like 1
_Keith Grand Master

_Keith

Posted
  • Author
Posted
5 hours ago, DoomsDave said:

Dunno about the palm — but good to see you @_Keith!

Thanks Dave.  I did not expect to still be around by this time.  God bless modern medicine.

  • Like 3

In my post I sometimes express "my" opinion. Warning, it may differ from "your" opinion. If so, please do not feel insulted, just state your own if you wish. Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or any other damages

DoomsDave Grand Master

DoomsDave

Posted
Posted
58 minutes ago, _Keith said:

Thanks Dave.  I did not expect to still be around by this time.  God bless modern medicine.

So good to hear from you! Glad it helped!

  • Like 1

Let's keep our forum fun and friendly.

Any data in this post is provided 'as is' and in no event shall I be liable for any damages, including, without limitation, damages resulting from accuracy or lack thereof, insult, or lost profits or revenue, claims by third parties or for other similar costs, or any special, incidental, or consequential damages arising out of my opinion or the use of this data. The accuracy or reliability of the data is not guaranteed or warranted in any way and I disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use my data. Other terms may apply.

ruskinPalms Grand Master

ruskinPalms

Posted
Posted

I thought Rhapis at first but I agree with needle palm too. 

Parrish, FL

Zone 9B

Alan_Tampa Mentor

Alan_Tampa

Posted
Posted
12 hours ago, idontknowhatnametuse said:

Thrinax, These are the ones I'm talking about (Post-Freeze photo BTW)

Screenshot_20230205-165424_Earth.thumb.jpg.36018a240aa9d6a081e6dd7d557135a6.jpg

Wow, cool. 

  • Like 1

Tampa, Florida

Zone - 10a

ruskinPalms Grand Master

ruskinPalms

Posted
Posted
On 2/5/2023 at 5:55 PM, idontknowhatnametuse said:

Thrinax, These are the ones I'm talking about (Post-Freeze photo BTW)

Screenshot_20230205-165424_Earth.thumb.jpg.36018a240aa9d6a081e6dd7d557135a6.jpg

Definitely keep us up to date how these fare in the long run. I’m sure they benefit from being planted close to that wall. May be yet another palm species that does ok with freezes as long as frost doesn’t form on them.

Parrish, FL

Zone 9B

idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
1 hour ago, ruskinPalms said:

Definitely keep us up to date how these fare in the long run. I’m sure they benefit from being planted close to that wall. May be yet another palm species that does ok with freezes as long as frost doesn’t form on them.

There is a lot of mature Thrinax Radiata in my city, you just have to search well for them, here is an example.

This is a post-freeze street view. This clump could be over 20 years old.

123.png.33e1bb75c4f71f3f7a7d41c21c357daa.png

idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
1 hour ago, ruskinPalms said:

Definitely keep us up to date how these fare in the long run. I’m sure they benefit from being planted close to that wall. May be yet another palm species that does ok with freezes as long as frost doesn’t form on them.

More (Post-Freeze as well)

1724568379_thrinaxradiata.png.08c56e3ce73d7ce6d036f319e6307c6c.png

Merlyn Grand Master

Merlyn

Posted
Posted

@idontknowhatnametusewhen did it hit -8C in Monterrey?  I am still surprised by the complete lack of damage on those palms.  I looked up the Weather Underground history and the coldest night was Christmas Eve at 25F for about 2 hours.  That's -3.9C at the airport, which is still cold...but a long way from -8C.  It's probably several degrees warmer in the middle of the city than at the airport, due to the "urban heat island" effect.  The latent heat from the nearby walls is probably worth a few more degrees.  It's worth about 3-4F in my nursery area, about 4' from my house.  I could definitely understand those palms surviving upper 20s without frost. 

Here's the history I looked at: https://www.wunderground.com/history/daily/mx/apodaca/MMMY/date/2022-12-25

idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
3 minutes ago, Merlyn said:

@idontknowhatnametusewhen did it hit -8C in Monterrey?  I am still surprised by the complete lack of damage on those palms.  I looked up the Weather Underground history and the coldest night was Christmas Eve at 25F for about 2 hours.  That's -3.9C at the airport, which is still cold...but a long way from -8C.  It's probably several degrees warmer in the middle of the city than at the airport, due to the "urban heat island" effect.  The latent heat from the nearby walls is probably worth a few more degrees.  It's worth about 3-4F in my nursery area, about 4' from my house.  I could definitely understand those palms surviving upper 20s without frost. 

Here's the history I looked at: https://www.wunderground.com/history/daily/mx/apodaca/MMMY/date/2022-12-25

February 14-15 2021, the christmas freeze wasn't as bad. Even Adonidias got out of the christmas freeze undamaged. I can't say the same thing about royals thought.

Merlyn Grand Master

Merlyn

Posted
Posted
12 hours ago, idontknowhatnametuse said:

February 14-15 2021, the christmas freeze wasn't as bad. Even Adonidias got out of the christmas freeze undamaged. I can't say the same thing about royals thought.

I checked the recorded data there, it shows 2 nights at a minimum of 23F = -5C.  https://www.wunderground.com/history/daily/mx/apodaca/MMMY/date/2021-2-15

High temperatures around 40-50F are really cold.  But how did you come up with -8C?  I'm just trying to figure out how Thrinax Radiata and Adonidia could possibly survive even the "official" airport temperatures.  Both species have a habit of melting and dying around here when it goes barely under freezing.

  • Like 1
idontknowhatnametuse Veteran

idontknowhatnametuse

Posted
Posted
35 minutes ago, Merlyn said:

I checked the recorded data there, it shows 2 nights at a minimum of 23F = -5C.  https://www.wunderground.com/history/daily/mx/apodaca/MMMY/date/2021-2-15

High temperatures around 40-50F are really cold.  But how did you come up with -8C?  I'm just trying to figure out how Thrinax Radiata and Adonidia could possibly survive even the "official" airport temperatures.  Both species have a habit of melting and dying around here when it goes barely under freezing.

I live in the low parts of a mountain called "Cerro De Las Mitras" so it gets colder than in the lower parts of the city the first thrinax radiata is some blocks away from my house.

  • Like 1
Allen Grand Master

Allen

Posted
Posted

Looks like needle palm hardy to -10F

YouTube https://www.youtube.com/@tntropics - 60+ In-ground 7B palms - (Sabal) minor (15+, 3 dwarf),  brazoria (1) , birmingham (3), louisiana (4), palmetto (2),  (Trachycarpus) fortunei (15+), wagnerianus (2+),  Rhapidophyllum hystrix (7),  Blue Butia odorata (1), Serenoa repens (1) +Tons of tropical plants.  Recent Yearly Lows 4F, -6F, -1F, 12F, 11F, 18F, 16F, 3F, 3F, 6F, 3F, 1F, 16F, 17F, 6F, 8F

 

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