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I might be able to help you with the radicalis. I sprouted some seeds last year. We should talk next week. I will have some time away from work.

Lol let's see if the For Trade forum actually gets used this year. Sounds like lots of horse trading in the works.

Any interest this year? Mixed species (maroon leaf, red crown-shaft). .35 each or $30/100 Beachpalms@cfl.rr.com

I’ll take 2-300 vestaria and 100 blue seed Pinanga

Chamaedorea radicalis Is an awesome palm! I have some that I grew from seed. You definitely need to try them. If you would grow them from seed i bet @DoomsDave would send you some seeds for free if he has any that's where I got mine from!

I would love to try some Chamaedorea radicalis . I might have a good spot for it. Right now all my palms are growing in the ground. I do have an Agave Parryi and an Enchinocactus grussoni in a pot that I'm going to plant in the ground .

@JohnAndSanchoThat's a good idea I have a big patch that I would like to divide up this year and I will sell them also

Absolutely, thank you so much for this.

@MarceloCaramuta Welcome to PalmTalk! Thank you for the comparison from one of the more enviable locations in Central Florida. Hope that you don't mind me merging your topic with the rest of the observations, but it is a better way to give this post the attention it deserves instead of burying it in the Freeze Damage Data as a separate topic.

while I realize the topic of hardiness between Archontophoenix Cunninghameana and Alexandrae has been discussed for years, our recent extreme cold gave me the ability to take pictures of the two growing side by side in my yard. Official Belle Isle FL (Orlando) low was 25 I live near n a large lake which creates a microclimate that has allowed Cocos Nucifera to live here without dying in the last brutal cold of 2010. I believe we are the only spot in Orlando where Cocos Nucofera survived 2010. My recorded low was 28 degrees but its likely parts of the yard were a little lower. The warmer part of the yard is the back yard near the water. As the pictures show, even side by side, Archontophoenix Cunninghameana are undamaged while Alexandrae are completely defoliated.

Thanks Logolight! I will also be getting seeds of one of my favorite Pinanga’s. P. ‘Blue fruit’/seed’ Same price, .35 each or $30/100 plus shipping.

Hi PR00636! I know you wish you were here in PR on such a beautiful day. Yes, my one and only Welfia is doing fine. I can see the top of it from my potting bench. At least 20 feet tall and planted down a steep slope with the idea that it would one day be eye level near my house. It hides surrounded by tree ferns and some Euterpes until it opens a new leaf which should happen soon. If I am not traveling I’ll take a photo then, but it looks stunningly red like all the others posted here.

Surprise 33°F low this AM with a light frost. Lost a couple more smaller plants that I had saved in the preceding freezes as the forecast was 36°F and the NWS was very accurate over the past week. I was just tired of moving things. I have family in town from way up north that wanted to come down to "warm up". I suggested that early-mid March was more reliable for warm temps but they insisted on early February. Anyway, they wanted to go see Palm Beach yesterday so I got a chance to drive down the east coast a bit and make some observations. There was major damage to most of the usual suspects. Seagrape was burned badly all the way down. Cocos, Wodyetias, Archontophoenix, Adonidias, Arecas, Bottles & Royals all had severe to moderate damage with some pockets that seemed mostly spared but I could not figure out why. These were pretty small pockets so they really were microclimates. As expected, by the time we reached Palm Beach proper the damage was far less severe but still noticeable in many places, especially in open areas. The cocos seemed particularly hard hit relatively speaking. Hutchinson Island which is the barrier island proximate to PSL was not spared, though the damage to a significant percentage of affected tropicals looked survivable. PSL is a horror show. Sabals, Washingtonia, Roebellinii, Bismarkia, Syagrus, Livistona all seem fine...for now at least but all the zone 10 rated are torched. I have not experienced a freeze of any sort in my 10 years here, a few light frosts was all, so this will be a lesson in recovery for me, primarily for Royals, as I understand mature specimens can bounce back... but I recorded 25,24°F on consecutive nights and they all look terrible. I am not allowing myself hope on my Adonidias and Wodyetias and it is a shame, because they were so healthy and really nice specimens, I put a lot of effort (and money) into them. I'm still in a bit in shock that the temperature here was not much different than that of far north Florida during this event.

I did a dose of hydrogen peroxide on pretty much all the palms yesterday afternoon. Most didn't react at all, but the Cyphophoenix (all of them) foamed up like mad. Those turned black when they burnt, instead of the typical red/brown. I'm sure they are D-E-D. After that I mixed up a total of 2.5 gallons of Daconil and squirted it into the crown of all the palms and almost all the cycads. As expected, the cold damage just keeps looking worse and worse. The 31.3F and heavy snowlike frost this morning didn't help at all. Here's the data logs, frost and local airport temps.

I had a 29, 25, then a 23 @ Lithia. I’ve traveled 1000 miles this week in central FL and saw lots of damage of course. I believe most foxtails will recover provided they were of descent health prior. Important note. Florida has insufficient Magnesium so this is an important part of regular fertilization for palms here. When a palm has inadequate supply of Mg it can normally take from the oldest leaves in order to produce healthier spears. Not so much after a hard frost though. All of the removed foliage is taking Mg out of the cycle. Same happened after Milton where fronds were wind removed. Magnesium needs to be applied gradually though or you can cause salt injury.

They made it to Australia as well those seeds!

Hyophorbe vaughanii wow! Already a looker at that size.

I am in no rush whatsoever. I planted a baby copernicia fallensis as well and in the same time it has only put out 3 fronds. 😛

Ok, I see it every day, but wasn’t sure what species it was. I used to live in Middle Tennessee (USA), and my folks were in Gainesville, Florida. I kept lots of potted palm there, underneath a Live Oak tree, in the irrigation zone. So they were neglected, but most of them didn’t die. I started a bunch of seeds from RPS in the mid-late-2000s and took them to Gainesville when they got a little size. Eliminated the need for a greenhouse in TN, since just about everything I was growing had some cold-hardiness. Mom decided to plant this Butia probably a little over 10 years ago, but the tag was lost. So it was just a guess what it was. I thought it could have been the rare Butia capitata, since I had a couple of them from RPS seeds. Or maybe B. catarinensis. It was definitely not any of the dwarf species. Fast forward to 2020, I moved in with them to help them out with the house. Well, I was walking past it a few days ago and something caught my eye…a spathe! A very DARK spathe! I sped up just a little and swatted petioles aside to check closely. Sure enough, it was WOOLY! Not only that, there were 2 of them. Well, that pretty much eliminates all the other species that I thought it could have been. So after searching high and low over the past couple of years for a decent-sized Butia eriospatha, and only finding small ones and seeds, I have a mature one in my front yard! Can’t wait to start crossing it next year. I’m glad it decided to push out its first inflorescences in October, so I wouldn’t be tempted to pollinate them, haha!

That didn't seem that to be the case in Oregon and Washington, although UK palm growers find it hardier for them.

Matty keep us posted if you transplant it on how it performs. It appears you will have to move plenty of other palms, too. As I read about more Californians facing similar situations I can't help wondering when it will stop. I recently read that a state agency is due to release new fire risk maps which are modeled differently from those used by insurers. These maps which are periodically updated are more for planning resources for fighting fires. Much like Kim in Point Loma, housing density is pretty high here and only getting more dense due to zoning updates to increase housing availability. If fire gets loose here, homes will burn hotter and be the primary source for fire spread. Removing plantings would do little when fires spread from house to house like in Altadena. I just hope the insurance company gives you a reasonable setback and doesn't continually up the ante. Only time will tell.

This is absolutely excruciating @MattyB

EDIT - SOLD OUT Just picked. - 3 batches (116 seeds in each) - $100/ea. - plus fast shipping ($25) from Hawaii. Venmo (free) or Paypal (add 3%) payment USA only.

Jubaea x syagrus absolute beast

Chrysalidocarpus decipiens and onilahensis are probably good choices if you want something that looks exotic. it’s not rare, but Chamaedorea microspadix looks nice and tropical when the clumps get large. Some others to consider: Caryota maxima ‘Himalayan’, Beccariophoenix alfredii, some of the uncommon Syagrus, Brahea, Butia, Arenga micrantha, Trithrinax (especially campetris). I’m sure there’s more great choices.

I feel like Jubaea x Syagrus would be a great palm to try for 9b if you have the space.

My 9B wish list: New hybrids from Patric Brahea pimo Chrysalidocarpus pumilus Dwarf Butia species

a 9B palm is a palm that will withstand 25F and survive, the "without damage thing" is another matter as survival is more important. Choices may be 10x fewer for 25F without damage as this would exclude lots of palms that would survive 25F with damage and recover. 25F without damage is probably include washingtonias, some livistonas, phoenix species(not rupicolas and roebelinii), some, but not all sabals and copernicia alba(but not the cuban copernicias) and not bismarckia which will often burn significantly at 25F depending in duration. Duration of cold matters here and that is why the short cold of the mediterranean 9B climates are less damaging than say a longer cold in an advective cold event in florida 9B.

My favorite one palm 9B is Acrocomia aculeata.

Not Cali, but here’s a pic of a good sized one with ? 5-6 feet of trunk in South Florida.

Killer plant dude I got a few of these guys . Might be to close to the wall but will be perfect once it gets above the wall! Prestoniana are steady growers . More should be grown here’s my biggest it’s about 6 foot tall now and getting chunky

Yesterday, we published a scientific paper that presents a major update to the taxonomy of Dypsis. This is the result of years of work both in the field and in the lab aimed at addressing the unwieldy nature of Dypsis and working out how it is related to other iconic Madagascar palm genera like Marojejya, Masoala and Lemurophoenix. We approached this work with some trepidation, fearful that our results would demand that we "sink" some of these genera, which are so dear to the hearts of growers. Fortunately, we have been spared that embarassment, but our DNA dataset (which is unprecedented in scale) has obliged us to make one major change. We have split Dypsis into three to ensure that the genera represent natural groups that are consistent with the evolutionary relationships that we determined from the DNA data. As a result, two "old" genera have been resurrected. We now have: Vonitra - the fibrous species Chrysalidocarpus - the moderate to very robust species Dypsis (in a narrower sense) - the small to moderate species We have worked hard to align morphology with the DNA evidence - after all classification has to be useful and usable. But this has been really challenging and some species just don't obey the rules. For example, Dypsis marojejyi remains in Dypsis, despite being robust. This is very inconvenient, but is also a really interesting biological finding, implying that robust life forms can evolve from within understorey dwarfs. You can read all about this in our paper freely accessible here https://onlinelibrary.wiley.com/doi/10.1002/tax.12797 . This is a technical work, but you will still find much of it very usable, especially the Taxonomic Treatment section which includes a key to the genera and a checklist assigning each accepted species to the revised generic classification. We hope you enjoy it! Bill Baker on behalf of Wolf Eiserhardt, Sidonie Bellot, Robyn Cowan, John Dransfield, Lars Emil, Karolina Heyduk, Romer Rabarijaona and Mijoro Rakotoarinivo Fig 1 from the paper - Dypsis and related genera: A. Chrysalidocarpus lutescens, B. Marojejya darianii, C. Lemurophoenix halleuxii, D. Dypsis metallica, E. Masoala kona, F. Dypsis scandens, G. Vonitra fibrosa

Kim, Chrysalidocarpus is a masculine name and thus prestoniana changes to prestonianus Hovomantsina, on the other hand, is a vernacular name in apposition to the generic name, and is regarded as being genderless and is not declined (these are the city-gritty rules of nomenclature) Dypsis on the other hand is feminine so there will be no changes to all the names in Dypsis that are still used.

This is often discussed, but is no small task! I've just finished a PoM equivalent book for New Guinea (aka PoNG) and am just drawing breath. But I've no doubt that the subject of a new PoM will be back on the table soon.

Great work! I'm down to just 2 Dypsis from 17 😂 Interesting that Chrysalidocarpus mostly seem to do well Florida while Dypsis tend to struggle.

Incredibly helpful information! As owner of 24 different Dypsis types, I was pretty excited for the new data to come out. Interestingly all of mine are still in the same group ("Chrysalidocarpus"). Out of curiosity, is this chart useful for selecting possible palms to hybridize? I've heard that plants which are closer on the DNA family tree are more likely to hybridize than those which are further apart... but perhaps any two Dypsis within the "Chrysalidocarpus" group might be a possible target for hybridization? The two ingredients for "Tribear" (dacaryi & leptocheilos) in particular appear to be pretty far apart on the chart. 🤔 Obviously, the only way to know for sure is to try... I was just curious if the chart might be useful for predicting possible hybridization pairs. Thank you again for making possible a giant leap forward in the science of my favorite palm type!

My pleasure - this has been a long time coming and only really possible thanks to the amazing resources in The Palms of Madagascar and all the works that it inspired. As for Chambeyronia, we fixed that up last year and published it in PALMS 65/3 - take a look!

I believe you! As one member said it may be the holy grail of the cold hardys. And maybe the most beautiful/tropical based on the pics ive seen of some larger ones. I will be very happy when i finally find some. I may have a line on a batch coming up, making a call this morning. Fingers crossed!