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Jubaea x Syagrus cold hardiness


TexasColdHardyPalms

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I have two in the ground.  Both were wrapped like a burrito with 1.5ounce frost cloth, temp dropped to 8f per data logger 25ft away.  First one is younger and incurred more damage and will grow right out of the damage without issue. 

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Larger one. Zero spear damage. This one took 18f on the back patio last year in a 15g pot with just a hit on spear damage. 

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These F1s are pretty variable. Mine has been a weakling. This last beatdown killed it dead as a doornail. But it never thrived.

Longview, Texas :: Record Low: -5F, Feb. 16, 2021 :: Borderline 8A/8B :: '06-'07: 18F / '07-'08: 21F / '08-'09: 21F / '09-'10: 14F / '10-'11: 15F / '11-'12: 24F / '12-'13: 23F / '13-'14: 15F / '14-'15: 20F / '15-'16: 27F / '16-'17: 15F / '17-'18: 8F / '18-'19: 23F / '19-'20: 19F / '20-'21: -5F / '21-'22: 20F / '22-'23: 6F

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Amazing that those can take 8 F and they do appear like they will make it!

What you look for is what is looking

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Yes it's a very good news, and they are still small, it's promising. Mine saw 19.5 and has no damage, it's about the same size of the biggest one pictured above, it grows very fast. 

 

On 01/03/2018 à, buffy said:

These F1s are pretty variable. Mine has been a weakling. This last beatdown killed it dead as a doornail. But it never thrived.

Buffy, how did your yatay mule fare this winter? 

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Smoked. The spear is firm and green down low, so my fingers are crossed.

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Longview, Texas :: Record Low: -5F, Feb. 16, 2021 :: Borderline 8A/8B :: '06-'07: 18F / '07-'08: 21F / '08-'09: 21F / '09-'10: 14F / '10-'11: 15F / '11-'12: 24F / '12-'13: 23F / '13-'14: 15F / '14-'15: 20F / '15-'16: 27F / '16-'17: 15F / '17-'18: 8F / '18-'19: 23F / '19-'20: 19F / '20-'21: -5F / '21-'22: 20F / '22-'23: 6F

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Promising palm B)

My hybrid have no damage at all with no protection.

The temp dropped here at 19F, with very strong wind and the temp stay below freezing  while 3 days...and a final of the cold wave by the snow. :wacko:

 

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14 hours ago, buffy said:

Smoked. The spear is firm and green down low, so my fingers are crossed.

I hope it will make it. How cold was it in your garden? 

2 hours ago, Joannis said:

Promising palm B)

My hybrid have no damage at all with no protection.

The temp dropped here at 19F, with very strong wind and the temp stay below freezing  while 3 days...and a final of the cold wave by the snow. :wacko:

 

Yes from what I observe in my garden it's more hardy than other hybrids of the same size, except my yatay x jub. 

Edited by alohas
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This palm was bought in 2010 to Patric.

He was a little disturbed 2 years ago after a transplant...but it's a rocket !:rolleyes:

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I bought my biggest one 10/2014 and the smaller one 10/2015.

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Hi TCHP,

It will be very interesting if you post some pictures in the late summer,just to see how your hybrids recovering.

I assume  that the long growing period and high temperatures will give them excellent conditions to fully recover and put some significant growth.

 

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4 hours ago, petrppetrov said:

Hi TCHP,

It will be very interesting if you post some pictures in the late summer,just to see how your hybrids recovering.

I assume  that the long growing period and high temperatures will give them excellent conditions to fully recover and put some significant growth.

 

You bet. Theyll double in size this year. 

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Hardy even as a small plant also.  Planted in Nov. 2017.  Here are my lows for the Feb. 2018 freeze:

2/21  21.6F

2/22 23.5F

2/23 27.9F

2/24  25.1F

2/25  26.5F

2/26  29.3F

And duration info from a local AG station.

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Robert

Madera, CA (central San Joaquin valley)

9A

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Hi Iwan,

this is very encouraging I have one that still is in pot,but definitely is going in the ground this spring.

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On ‎2‎/‎28‎/‎2018‎ ‎8‎:‎33‎:‎57‎, TexasColdHardyPalms said:

Larger one. Zero spear damage. This one took 18f on the back patio last year in a 15g pot with just a hit on spear damage. 

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It will grow out of this in one growing season?

Coral Gables, FL 8 miles North of Fairchild USDA Zone 10B

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On ‎2‎/‎28‎/‎2018‎ ‎8‎:‎12‎:‎43‎, TexasColdHardyPalms said:

I have two in the ground.  Both were wrapped like a burrito with 1.5ounce frost cloth, temp dropped to 8f per data logger 25ft away.  First one is younger and incurred more damage and will grow right out of the damage without issue. 

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This one too? This one seems pretty beat up :huh:

Coral Gables, FL 8 miles North of Fairchild USDA Zone 10B

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On 04/03/2018 à, Joannis said:

After the cold

IMG_20180303_100023.thumb.jpg.0193d75379

Magnifique specimen Joannis ;)

07690.gif

elevation 328 feet

distance from mediteranean sea 1,1 mile

lowest t° 2009/2010 : 27F

lowest t° 2008/2009 : 33F

lowest t° 2007/2008 : 32F

lowest t° 2006/2007 : 35F

lowest t° 2005/2006 : 27F

lowest t° 2004/2005 : 25F

Historical lowest t° 1985 : 18F

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Thank you Gilles!
It's by far the fastest palm I have, and it does not have deficiency problems like other hybrids.:huh:
I think this year he will grow like a rocket :rolleyes:

 

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  • 3 weeks later...

Wow, that was cold. I hope it will grow again....

Carambeí, 2nd tableland of the State Paraná , south Brazil.

Alt:1030m. Native palms: Queen, B. eriospatha, B. microspadix, Allagoptera leucocalyx , A.campestris, Geonoma schottiana, Trithrinax acanthocoma. Subtr. climate, some frosty nights. No dry season. August: driest month. Rain:1700mm

 

I am seeking for cold hardy palms!

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On 3/10/2018, 5:19:57, Moose said:

This one too? This one seems pretty beat up :huh:

This one actually required surgery after all. But it is growing a new leaf covered in daconil. The bigger one is doing great.

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Planted my JxS ten days ago in the ground,hope gets established and strong enough for first winter in Thassos.

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Lowest temps for winter 2016-2017 is -3.8c (one night)and winter 2017-2018 is 0.7c.

This winter even tomato plant survived outside and is producing flowers at the moment,hope more winters like last one.

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9a/9b with hot summers and lots sun is perfect for this fella! 

Well not like London we fit in same zone but cool weather conditions

Still haven't rich over 20°C :wacko:

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  • 4 months later...
On 2/28/2018, 7:12:43, TexasColdHardyPalms said:

I have two in the ground.  Both were wrapped like a burrito with 1.5ounce frost cloth, temp dropped to 8f per data logger 25ft away.  First one is younger and incurred more damage and will grow right out of the damage without issue. 

20180228_163145.jpg

20180228_163142.jpg

Wondering if you might have an update on these after a few months of heat.  Have a seedling JXS that I am considering eventually trying to plant at my place in Kerrville.  Seems 8F would be about the bottom it would see there, so wanted to know how yours recovered.  Thanks!

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They're all alive and doing well with several fronds. The grasshoppers have been shreading everything though.  

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  • 1 month later...

Dare I ask where is the best place to obtain this particular hybrid??? 

Or does anyone know someone selling one? 

Many thanks 

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On 9/17/2018, 2:04:01, Crazy-Horse-Marc said:

Dare I ask where is the best place to obtain this particular hybrid??? 

Or does anyone know someone selling one? 

Many thanks 

The only person I know producing them on a regular basis is Patric(k) Schafer (coolhybrids@wildblue.net). He does not always have this hybrid in stock (hard to produce), but he may have something close like BJxQ. He should have a new list this fall with several new hybrids.

Hi 99°, Lo 74°

Tom Birt - Casas Adobes - NW of Tucson since July 2014

formerly in the San Carlos region of San Diego

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