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What are the biggest Sabal palm species?


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Posted

Ranked in order?

  • Like 1

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Posted (edited)

We’re you the kid who had other people do all their homework in school? LOL!

Sorry I can only help you if you wanted to know the smallest Sabals (see username).

Maybe give a height range and people might be more likely to answer your very broad question.

What is big to you? For my purposes anything 30 feet and over is “big”. 

Edited by Dwarf Fan
  • Like 1
Posted

I think causiarum, domingensis, uresana, mexicana are the largest, in that order. 

Maybe someone that knows more than I do can correct me though, I'm always happy to learn. 

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Posted
4 minutes ago, fr8train said:

I think causiarum, domingensis, uresana, mexicana are the largest, in that order. 

Maybe someone that knows more than I do can correct me though, I'm always happy to learn. 

What about Palmetto where does it fit in?

”Mature Cabbage Palm. Capable of reaching 90 feet or more in the woods (when shaded or protected by surrounding trees) but usually seen at 40 to 50 feet in height”

https://hort.ifas.ufl.edu/database/documents/pdf/tree_fact_sheets/sabpala.pdf

  • Like 3
Posted
3 hours ago, fr8train said:

think causiarum, domingensis, uresana, mexicana are the largest, in that order. 

That sounds about right im sure @PalmatierMeg will give her opinion from Sabal row. 

T J 

  • Like 2

T J 

Posted
5 hours ago, Dwarf Fan said:

What about Palmetto where does it fit in?

”Mature Cabbage Palm. Capable of reaching 90 feet or more in the woods (when shaded or protected by surrounding trees) but usually seen at 40 to 50 feet in height”

https://hort.ifas.ufl.edu/database/documents/pdf/tree_fact_sheets/sabpala.pdf

Sabal palmetto is by far the smallest trunking Sabal.

  • Like 2

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted
17 minutes ago, PalmatierMeg said:

Sabal palmetto is by far the smallest trunking Sabal.

What about rosei?

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Posted

I'm not familiar with rosei (or pumos) but I have some rosei seeds germinating. But all my research indicates palmetto is the smallest. My Sabal row consists of causiarum, domingensis, maritima and palmetto. Palmetto is dwarfed by all the others. It is smaller, slower growing and later to flower/seed.

  • Like 2

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted (edited)

I am a noob here so I ask the experts what is a reliable online guide for Palm growth Maximum Height by species?

I generally use Google and get an “Average” based on the first page of results that pop up or I would trust Palmpedia, but is it accurate enough to be trusted as a single source?

According to Palmpedia it would look something like this S. Domingensis would “officially” the largest with S. Palmetto being a potential “wild card” but definitely beating out S. Uresana. 

S. Domingensis height of 60 ft

https://www.palmpedia.net/wiki/Sabal_domingensis

EC794FF8-2B32-48A2-93DC-2D6936DC5A27.jpeg.a4b42a444daaacd1f30a71c0774af5c6.jpeg242F1929-4526-47E1-AF9B-3EF23E890EB6.jpeg.4cf6d7f5174c7693f4ca2f3950c84cd5.jpegFC681DBB-D1BC-4969-B138-0FAF87C82FB1.jpeg.2aeec82de573a910322b0bbc57582f24.jpeg

S. Mexicana grow up to 50’ tall

https://palmpedia.net/wiki/Sabal_mexicana

S. Rosei height: 48'

https://palmpedia.net/wiki/Sabal_rosei

S. Causiarum Height: 40'

https://www.palmpedia.net/palmsforcal/Sabal_causiarum

S. Palmetto height of 32-82 feet

https://www.palmpedia.net/wiki/Sabal_palmetto

S. Uresana Height: To about 25 to 30 feet.

https://palmpedia.net/wiki/Sabal_uresana

Edited by Dwarf Fan
Added S. Rosei
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Posted (edited)

Palmpedia has these pics under S. Palmetto if correctly IDed I would say S. Palmetto has the potential to hit that 60’-80’ mark, potentially making it the largest no?

From Palmpedia

DA757BC5-546C-455E-BEA6-C33CB69F6932.jpeg

E662B29F-D984-42CF-88D2-99FA5BB54BC1.jpeg

D247DC58-FE8C-4339-938B-149E136887D5.jpeg

Edited by Dwarf Fan
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Posted
3 minutes ago, Dwarf Fan said:

Palmpedia has these pics under S. Palmetto if correctly IDed I would say S. Palmetto has the potential to hit that 60’-80’ mark, potentially making it the largest no?

From Palmpedia

DA757BC5-546C-455E-BEA6-C33CB69F6932.jpeg

E662B29F-D984-42CF-88D2-99FA5BB54BC1.jpeg

D247DC58-FE8C-4339-938B-149E136887D5.jpeg

I really only have observational takes on palmetto/Mexicana. 

I like to compare robusta/filifera. While robusta grow taller, I consider filifera the larger palm.

With that said, I consider Mexicana "larger" than palmetto.  In fact, Mexicana cause me to do a double take due to their stoutness/size. 

Palmettoil_570xN.1437448485_q4sy.jpg.dca7e92e039034e8c3f9dc9012d36bf5.jpg

Mexicanath-3026002576.jpg.55673ac02748ccc1ceab5f977509dd38.jpg

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Posted

Not really an expert on that but Mexicana have a much larger canopy . Are you worried about the height ? Keep in mind sabals don't really grow fast at all. 

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Posted

Don't forget Sabal riverside. Maybe ranked #3 or #4?  maritima #5 then mexicana #6 imo.

Sabal riverside 

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  • Like 6

Hesperia,Southern CA (High Desert area). Zone 8b

Elevation; about 3600 ft.

Lowest temp. I can expect each year 19/20*f lowest since I've been growing palms *13(2007) Hottest temp. Each year *106

Posted

Looks like you want to know what is the tallest Sabal as opposed to the overall largest Sabal. I don’t know each species’ height but palmetto is probably higher up the chain in that category.  Some ancient palmettos in the Everglades may be pushing 80-90’ but because they are lightning rods in the sky, they are few and far between. Causiarum may be trailing the pack in height but is so overall massive you scarcely notice. I suspect the two new endangered Sabals way out in the Caribbean probably take the prize for shortest/smallest as sea winds and tropical storms selected those attributes over the ages.

  • Like 4
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Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted
18 hours ago, PalmatierMeg said:

Sabal palmetto is by far the smallest trunking Sabal.

I've seen a Sabal etonia with a 5 foot trunk. An old plant that possibly was scoured by a ancient flooding event many, many years ago, since it was growing near a river. It was awesome.

Of course, Sabal minor also has a (subterranean) trunk. Occasionally they also appear above ground due to erosion.

  • Like 3
Posted
17 minutes ago, hbernstein said:

I've seen a Sabal etonia with a 5 foot trunk. An old plant that possibly was scoured by a ancient flooding event many, many years ago, since it was growing near a river. It was awesome.

Of course, Sabal minor also has a (subterranean) trunk. Occasionally they also appear above ground due to erosion.

Exceptions to the rule.

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted (edited)
1 hour ago, hbernstein said:

I've seen a Sabal etonia with a 5 foot trunk. An old plant that possibly was scoured by a ancient flooding event many, many years ago, since it was growing near a river. It was awesome.

Of course, Sabal minor also has a (subterranean) trunk. Occasionally they also appear above ground due to erosion.

“Occasionally happens more often than not with age and the right conditions here in Texas, there is a Sabal Minor in ground at a Nursery in Austin that has been receiving good care for over 30+ years and it is trunked to around 5+ feet with crown I remember it being over 6 feet because I was looking up at at. I spoke with an employee about its history and it is a specimen that they are quite proud of. There are also what I believe to be S. Minor grown wild around Corpus Christi upwards of 5+ trunks and over 6 feet in height growing without any regular care.

In Texas if you water your S. Minor and give it regular fertilizer it is not a matter of IF it will trunk it is a matter of how much time you have to wait for it to move above ground.

Edited by Dwarf Fan
Posted
1 hour ago, Dwarf Fan said:

“Occasionally happens more often than not with age and the right conditions here in Texas, there is a Sabal Minor in ground at a Nursery in Austin that has been receiving good care for over 30+ years and it is trunked to around 5+ feet with crown I remember it being over 6 feet because I was looking up at at. I spoke with an employee about its history and it is a specimen that they are quite proud of. There are also what I believe to be S. Minor grown wild around Corpus Christi upwards of 5+ trunks and over 6 feet in height growing without any regular care.

In Texas if you water your S. Minor and give it regular fertilizer it is not a matter of IF it will trunk it is a matter of how much time you have to wait for it to move above ground.

Are you familiar with Sabal Brazoria and Sabal Louisiana? 

  • Upvote 1
Posted (edited)
3 hours ago, teddytn said:

Are you familiar with Sabal Brazoria and Sabal Louisiana? 

Absolutely they are BOTH Native Texans! 🤠

I have a S. Louisiana band arriving on Friday as part of a bundle order I put in with JMP. That said I have been researching S. Minor before I joined Palm Talk and after hearing from multiple sources and seeing one in Austin I know it WILL trunk in Texas, but it takes decades.

My oldest and dearest Palms are two S. Minors that survived Palmageddon and one is really starting to mature nicely, finally adding girth and lots of new fronds but still only around 2’ in height and no above ground trunk after 3 years. Partly my fault it has taken me 3 years to figure out how much water that they like to grow quickly and not stall during heat spells and summertime.

S. Brazoriensis grows slowly like S. Minor but will grow a much taller trunk over time, S. Louisiana has the same OR slightly more ultimate trunk height as S. Minor, but it’s fast growth characteristics differentiate it from S. Minor.

From my notes:

Sabal Brazoriensis

Origin: Brazoria County, Texas.

Species: DNA tests verify it's an ancient hybrid between Sabal palmetto and Sabal minor

Hardiness: hardiest of the trunked sabal palms, reported to -15F.

Max height: 20'

Growth Speed: Slow

 

Sabal Louisiana

Origin: Select swampy areas of Louisiana and east Texas, where it grows among regular Sabal minor.

Species: unknown, possibly a variant of minor

Hardiness: 6F

Max height: 6’-10’ Specimen: 10’-12’

Growth Speed: Fast

Edited by Dwarf Fan
  • Upvote 1
Posted (edited)
6 hours ago, hbernstein said:

I've seen a Sabal etonia with a 5 foot trunk. An old plant that possibly was scoured by a ancient flooding event many, many years ago, since it was growing near a river. It was awesome.

Of course, Sabal minor also has a (subterranean) trunk. Occasionally they also appear above ground due to erosion or old age.

^^^ FIFY.

From the University of Texas at Austin Plant Database:

This common, fan-shaped palm is a small shrub, 5-10 ft. tall, occasionally reaching tree size in Texas. Usually stemless, the leaves arising from an underground stock. Leaf blades longer than the leaf stalks, fan shaped, as much as 4 feet wide, dissected, the narrow segments notched at the tip. White blooms are followed by black fruit about 1/2 inch wide in long clusters. Plant forms a trunk when grown in standing water. 

There are more than 2,500 plants in the palm family worldwide, but only about a dozen are native to the United States. 

https://www.wildflower.org/plants/result.php?id_plant=sami8

 

From Palmpedia:

This is a small palm that ranges across the Coastal Southeast. In the shade of swamps, it has a subterranean trunk and leaves that grow to about two or three feet tall. When grown in a sunny garden, the leaves can grow several feet wide and the plant can develop a short trunk.

https://palmpedia.net/wiki/Sabal_minor

 

 

Edited by Dwarf Fan
Posted
On 8/7/2023 at 10:20 AM, fr8train said:

I think causiarum, domingensis, uresana, mexicana are the largest, in that order. 

Maybe someone that knows more than I do can correct me though, I'm always happy to learn. 

Yeah this is probably the best general answer, but like as has been stated if you're thinking height instead of mass, palmetto can be very tall.  But in these parts where mexicana and palmetto are both common, no question that mexicana averages way more massive, as do the others in the above list.

  • Like 2
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Corpus Christi, TX, near salt water, zone 9b/10a! Except when it isn't and everything gets nuked.

Posted
On 8/7/2023 at 6:37 PM, Dwarf Fan said:

Palmpedia has these pics under S. Palmetto if correctly IDed I would say S. Palmetto has the potential to hit that 60’-80’ mark, potentially making it the largest no?

From Palmpedia

DA757BC5-546C-455E-BEA6-C33CB69F6932.jpeg

E662B29F-D984-42CF-88D2-99FA5BB54BC1.jpeg

D247DC58-FE8C-4339-938B-149E136887D5.jpeg

Sabal Palmetto is certainly the tallest sabal that I've seen. Here locally,  near Brunswick,Ga, I've seen them in the 80-90' range. A lot of times they're hidden and are seen after timber companies clear cut. 

If one considers trunk per square inch, a tall, slender 90' sabal has more trunk area than a stout 20' tree. 

 

Posted

Native stand of Sabal mexicana at the Sabal Palm Sanctuary, which is on the border with Mexico outside Brownsville, Texas. I would agree 50 feet is about as tall as I saw there. If you are growing from small palms, I wouldn’t bother looking at potential height to judge size. Growth rate and width would be more important factors.

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Posted

Sabal bermudana is another larger Sabal. They can supposedly reach 80-100 feet in height

  • Like 3
Posted
1 hour ago, Meangreen94z said:

I would agree 50 feet is about as tall as I saw there. If you are growing from small palms, I wouldn’t bother looking at potential height to judge size. Growth rate and width would be more important factors.

Thanks for the confirmation on maximum height potential in Texas for Sabal Mexicana looks like Palmpedia was accurate on that one. 👍

I understand why width is such an important factor when choosing a specific species of Palm as well as growth rate. But to me height is also a HUGE factor in the LONG term. Is the reason people don’t seem as concerned with height around here because they are just looking at the growth rate x amount of years the person is expecting to live?

I can totally understand that way of thinking if you are gonna be dead LONG before you have a front and backyard full of sky dusters then, screw it let the next guy deal with them? 

Is that the rational why people are okay plopping a 5 Gal Palm into the ground that has the potential to get 50-100 feet?

My main concern is how much is your Arborist bill gonna be annually if you need a Cherry Picker to come trim several dozen (or more) massive Palms, that could seriously eat into your retirement budget especially with the way inflation has been going…

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Posted

No arborist needed 

image.png.4fd62223e7a7c9a62d40d259f68c69ec.png

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Posted

Check out the following Sabals too:

Sabal guatemalensis - until Ian knocked it back this palm looked like it would get quite large. Notable for having very large upright lime green leaves on l-o-n-g petioles. Very slow growing. Mine was a gift from Peter Pacific brought directly from Guatemala about 12 years ago and shows not sign of trunking. Some people say it is Sabal palmetto but I say, “Not a chance.”

Sabal grethereae - Not sure how large this trunking species from the Yucatán gets. It was crushed by fallen trees courtesy of Ian but is making a miracle recovery (the growing point was still underground so survived being flattened).

Sabal yapa - I saw this species in a farm yard in Cozumel circa 2016. Not one of the very large Sabals. Very hard to find in the US so I was lucky to get seeds in 2022.

 

 

 

 

 

 

 

 

 

 

 

 

 

  • Like 5
  • Upvote 2

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted (edited)
17 hours ago, PalmatierMeg said:

Check out the following Sabals too:

Sabal guatemalensis - until Ian knocked it back this palm looked like it would get quite large. Notable for having very large upright lime green leaves on l-o-n-g petioles. Very slow growing. Mine was a gift from Peter Pacific brought directly from Guatemala about 12 years ago and shows not sign of trunking. Some people say it is Sabal palmetto but I say, “Not a chance.”

Sabal grethereae - Not sure how large this trunking species from the Yucatán gets. It was crushed by fallen trees courtesy of Ian but is making a miracle recovery (the growing point was still underground so survived being flattened).

Sabal yapa - I saw this species in a farm yard in Cozumel circa 2016. Not one of the very large Sabals. Very hard to find in the US so I was lucky to get seeds in 2022.

Thanks once again Meg those are all new to me, it looks like I have some more research to do.

Edited by Dwarf Fan
Posted

If you are worried about maintenance costs you shouldn't plant any large growing palm. Some palms need a lot of maintenance some don't.  Sabals are slow growing palms I wouldn't be worried about heights at all.  My question is do you want the palm to look nice and well taken care of or do you just want to let it grow and not worry about the looks and health too much ? Also pest / diseases can be an issue too .  When I planted my palms I already knew that a tree removal can cost me depends on the size.  Not here to scare you but growing palms is a commitment just like planting a tree . Eventually comes the time where you need to invest in tree care companies.  

  • Like 2
Posted
2 hours ago, Dwarf Fan said:

Thanks once again Meg those are all new to me, it looks like I have some more research to do.

Another TX Sabal (I think) is Sabal pumos. What I read is that it wants very arid conditions so I never considered trying it in FL

  • Like 2

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted (edited)
8 hours ago, MarcusH said:

If you are worried about maintenance costs you shouldn't plant any large growing palm. 

I am a very hands-on do it yourself kind of guy and I would like to get trees short enough that I can trim them on my own with just a ladder and a pole saw. 

The W. Filibusta that was planted here 20 years ago will be one exception. As much as I like having one really tall Washingtonia it has made me focus on Dwarfs and “under 30’ maximum height” potential Palms. I may make a few exceptions for some statement Palms but I want many smaller Palms and a only few big ones when all is said and done and my Tropical Paradise backyard is finished.

7 hours ago, PalmatierMeg said:

Another TX Sabal (I think) is Sabal pumos. What I read is that it wants very arid conditions so I never considered trying it in FL

I like the thin trunks on the Sabal Gretheriae and the Yapa very cool looking! And also fact that all of those Sabals that you listed that there is very little information out there online about them (some are your threads here on PT HaHa) that is so cool that you have so many exotic Sabals in your collection! :greenthumb:

Sorry to thread jack OP but I just got these two Sabals in the mail today from Phil.

Sabal Louisiana and Sabal Etonia both Sabals are definitely more my speed in terms of maximum growth height potential! lol! It is hard to tell from the lighting of the pics but the S. Louisiana has a more pronounced Blue color when side by side with the Etonia I remember reading about the Louisiana having a slightly more Blue Green hue I can confirm. (Pay no attention to the Arenga Engleri band in the back).

2135F78A-E154-4E67-AAA2-13F9046C9C17.jpeg

BDF1F7D3-4B15-498A-895E-B465CDCDB8BD.jpeg

Edited by Dwarf Fan
  • Like 1
Posted
10 hours ago, PalmatierMeg said:

Another TX Sabal (I think) is Sabal pumos. What I read is that it wants very arid conditions so I never considered trying it in FL

Sabal pumos is native to dry deciduous and oak forests of southern Mexico. It appears to need a nearly identical environment to Sabal uresana. They grow where their roots can find deep occurring water most of the year. Like Bismarckia they are essentially savanna palms.

Hi 102˚, Lo 77˚

  • Upvote 2

Casas Adobes - NW of Tucson since July 2014

formerly in the San Carlos region of San Diego

Posted
12 hours ago, Tom in Tucson said:

Sabal pumos is native to dry deciduous and oak forests of southern Mexico. It appears to need a nearly identical environment to Sabal uresana. They grow where their roots can find deep occurring water most of the year. Like Bismarckia they are essentially savanna palms.

Hi 102˚, Lo 77˚

Tom, thanks for the info. When I read the literature about Sabal pumos I figured it would have no chance in FL. I tried Sabal uresana about 10 years ago as a strap leaf seedling. In 18 months it never grew, just declined steadily till death. Given those definitive results, I never tried it again. 

I’ve also had poor results with Sabal etonia in my quest to grow all FL native palms. None so far have survived in the ground and most I’ve grown from seeds haven’t gotten past the 3-4 strap leaf stage. My highly alkaline soil might explain the failed plantings but otherwise I’m baffled. My attempts to grow Rhapidophyllum also failed. I figure it is happiest in NFL..

If you live in a colder area where palm choices are limited and you have space, consider planting the less common Sabals. Another species not mentioned here is Sabal bermudana. I have one I grew from seeds I received from a PTer on Bermuda where it is critically endangered. In the 13-14 years I’ve had it has turned out short (10’ or so) and stocky. For a few years it produced viable seeds but hasn’t flowered or set seeds. I think that was beause it was shaded by taller Livistonas and Bizzies nearby. Ian rectified that issue so it now gets full sun and I hope it will flower again in the future.

  • Like 4

Meg

Palms of Victory I shall wear

Cape Coral (It's Just Paradise)
Florida
Zone 10A on the Isabelle Canal
Elevation: 15 feet

I'd like to be under the sea in an octopus' garden in the shade.

Posted
On 8/10/2023 at 2:12 PM, PalmatierMeg said:

Check out the following Sabals too:

Sabal guatemalensis - until Ian knocked it back this palm looked like it would get quite large. Notable for having very large upright lime green leaves on l-o-n-g petioles. Very slow growing. Mine was a gift from Peter Pacific brought directly from Guatemala about 12 years ago and shows not sign of trunking. Some people say it is Sabal palmetto but I say, “Not a chance.”

Sabal grethereae - Not sure how large this trunking species from the Yucatán gets. It was crushed by fallen trees courtesy of Ian but is making a miracle recovery (the growing point was still underground so survived being flattened).

Sabal yapa - I saw this species in a farm yard in Cozumel circa 2016. Not one of the very large Sabals. Very hard to find in the US so I was lucky to get seeds in 2022.

Sabal yapa is very pretty in the Yucatan, like a more delicate Sabal mauritiiformis.

On 8/10/2023 at 2:12 PM, PalmatierMeg said:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  • Like 1

Jason Dewees

Inner Sunset District

San Francisco, California

Sunset zone 17

USDA zone 10a

21 inches / 530mm annual rainfall, mostly October to April

Humidity averages 60 to 85 percent year-round.

Summer: 67F/55F | 19C/12C

Winter: 56F/44F | 13C/6C

40-year extremes: 96F/26F | 35.5C/-3.8C

Posted
On 8/8/2023 at 7:00 AM, PalmatierMeg said:

I suspect the two new endangered Sabals way out in the Caribbean probably take the prize for shortest/smallest as sea winds and tropical storms selected those attributes over the ages.

 Sabal antillensis? I forget the name of the other one. I was just browsing threads about them yesterday lol

 

sticker.gif?zipcode=78015&template=stick

Posted
On 8/10/2023 at 4:44 PM, Meangreen94z said:

Sabal bermudana is another larger Sabal. They can supposedly reach 80-100 feet in height

How frost hardy is this bermudana?

Posted
4 hours ago, rarepalmaddict said:

How frost hardy is this bermudana?

Good question this one seems like a case of “International Telephone” involving people “copy and pasting” back and forth from various online sources and misidentifying Celsius to Fahrenheit in the process. Global Facepalm: 🫣

My best guess after sifting through some obviously garbage data points would be around:

 -10°C (14°F)

-6.6 °C (20 °F)

 

Palmpedia:

It is extremely salt-tolerant and is often seen growing near the Atlantic Ocean coast in Bermuda, and also frost-tolerant, surviving short periods of temperatures as low as -14 °C (7°F) although it will never get that cold in Bermuda. 

À l'ombre des figuiers:

 -10°C (14°F).

Dave’s Garden:

-6.6 °C (20 °F)

Jungle Music Palms:

16°F-20°F

Posted
3 hours ago, Dwarf Fan said:

Good question this one seems like a case of “International Telephone” involving people “copy and pasting” back and forth from various online sources and misidentifying Celsius to Fahrenheit in the process. Global Facepalm: 🫣

My best guess after sifting through some obviously garbage data points would be around:

 -10°C (14°F)

-6.6 °C (20 °F)

 

Palmpedia:

It is extremely salt-tolerant and is often seen growing near the Atlantic Ocean coast in Bermuda, and also frost-tolerant, surviving short periods of temperatures as low as -14 °C (7°F) although it will never get that cold in Bermuda. 

À l'ombre des figuiers:

 -10°C (14°F).

Dave’s Garden:

-6.6 °C (20 °F)

Jungle Music Palms:

16°F-20°F

All I know is After having checked on internet they are not frosty at all

Posted
On 8/21/2023 at 11:38 AM, Dwarf Fan said:

Good question this one seems like a case of “International Telephone” involving people “copy and pasting” back and forth from various online sources and misidentifying Celsius to Fahrenheit in the process. Global Facepalm: 🫣

My best guess after sifting through some obviously garbage data points would be around:

 -10°C (14°F)

-6.6 °C (20 °F)

 

Palmpedia:

It is extremely salt-tolerant and is often seen growing near the Atlantic Ocean coast in Bermuda, and also frost-tolerant, surviving short periods of temperatures as low as -14 °C (7°F) although it will never get that cold in Bermuda. 

À l'ombre des figuiers:

 -10°C (14°F).

Dave’s Garden:

-6.6 °C (20 °F)

Jungle Music Palms:

16°F-20°F

 

On 8/21/2023 at 3:37 PM, rarepalmaddict said:

All I know is After having checked on internet they are not frosty at all

Believe it or not the source you questioned is accurate, John Fairey Garden has one as well that survived two nights of 6°F( -14.4°C). I’ve heard of similar results elsewhere. I believe the Carribean and Atlantic Sabal species are close relatives to Sabal palmetto that evolved into larger palms in warmer conditions, while still retaining most of the hardiness. 

  • Like 1
  • Upvote 3
Posted
On 8/24/2023 at 6:01 AM, Meangreen94z said:

 

Believe it or not the source you questioned is accurate, John Fairey Garden has one as well that survived two nights of 6°F( -14.4°C). I’ve heard of similar results elsewhere. I believe the Carribean and Atlantic Sabal species are close relatives to Sabal palmetto that evolved into larger palms in warmer conditions, while still retaining most of the hardiness. 

Do you think that sabal causarium Can be grown in a zone 8a?

Thanks 

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