FREEZE DAMAGE DATA
Share Your Experiences of Palm Hardiness
488 topics in this forum
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Alphabetical Sorting
by PALM MOD- 1 follower
- 13 replies
- 22.8k views
Matt and Everyone, FYI --- I have switched the default sorting in this forum to sort topics alphabetically per Matty's suggestion. Please be aware that the options for sorting are always available on all the forums at the bottom of the page. You can sort topics in any number of ways. Alphabetically by topic, topic starter, last poster, etc. Or chronologically by last post, topic start date, etc. Check it out. So if you prefer checking for the most recent additions, just sort that way, by last post, from the botton menu.
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Something Positive 1 2
by PALM MOD- 77 replies
- 29.2k views
Let's salvage something positive out of this disastrous California weather. While the effects of the recent cold snap are still fresh in everyone's mind, let's try to document some info about the cold tolerence of various palms. Especially some of the newer introductions that may not have much of a track record. This will be far from scientific. However, it may be useful. Let's try and keep it data oriented, as there are many threads already describing the grief and horror of this devastating weather. Feel free to post pics to help document, or mention if you are referring to a small or mature specimen, or other relevant info. Add other palm species, or post your expe…
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What to do with this info? 1 2
by PALM MOD- 47 replies
- 21.1k views
Now that we are getting all this great info, what do we do with it? Should we allow it to stay open, and let those in Texas or Florida contribute, if/when they get zapped? Should we try to condense it, and try to create our own Hardiness Guide to Palms? What do you all think?
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0000 - Cold Hardiness Observation Master Data 1 2
by kinzyjr- 5 followers
- 68 replies
- 12.5k views
Overview The PalmTalk forums contain thousands of observations on the cold tolerance from a variety of locations and climates. One of the primary difficulties in determining cold hardiness of a particular species or variety of palm is that observations vary greatly, even at the same temperature in the same location. Therefore, hardiness can be more accurately expressed as a probability rather than in absolutes. The goal of the attached list is to more accurately calculate the probability and degree of damage one could expect from a freeze on a particular species or variety of palm by consolidating the available data into one document. This list is provided …
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12% Peroxide as an palm crown anti-fungal
by PTRocky- 1 follower
- 15 replies
- 2.3k views
I was able to secure 12% Hydrogen peroxide on the internet (called FOOD GRADE peroxide). On 01-17 and 01-20 mid-upper teens in Montgomery, AL there seems to be a latent aftermath of crown rot on 5 Trachys. I thought the 12% peroxide would have a stronger anti-fungal effect but I have not used it yet. Does anyone have experience utilising 12% hydrogen peroxide on palm crown fungus, or should it be diluted to 6% or 3% before drenching the Trachys' crowns? Are Trachycarpus palms slow to respond to this treatment? Nothing seems to have occurred positively yet. I read in the internet that this recovery process could take 6-7 months (or at least until the nights are …
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- 14 replies
- 4.2k views
Bad news related to my Sabal Palmetto: Today, about 2 months after the Texas freeze, palmageddon, I noticed some tiny flies around palm's crown. I spread old fronds stems wider and pulled on the spear harder... and here it happened: I pulled the spear. The spear was light brown in the middle and white soft at the bottom. I poured copper Python 27 solution with a little of neem oil and insecticide inside. The palm was healthy and thriving before the freeze... I don't know how much hope I should have. S.
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2018 Freeze - South Carolina
by Turtlesteve- 1 follower
- 12 replies
- 6.7k views
Now that it's July I wanted to report in on losses and survivors in the January 2018 freeze. I had 5-6 consecutive nights below 20F, with absolute lows of 14F and 13F. Highs in the low-mid 30's. All plants fully exposed, no canopy unless noted. Ground froze to at least 2-3" in many areas of the yard. Most of the results are somewhat expected, I did not protect anything as the severity of the freeze caught me off guard (it was forecast for low-mid 20's here). Palms in the ground: Butia odorata (mature) Silver form, 50% defoliated. (5-7 gal) - Smaller silver Butia 50-100% defoliated but survived without aid. Many seedlings were killed. Butia sp. (5 ga…
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2018 freeze in central Florida 1 2
by Ravensdog- 41 replies
- 15k views
Worried all night about my royals, foxtail, Alexander, and robellinii’s from last nights freeze, wasn’t overly concerned with my duo headed sago which pulled thru well. Have to say that I’m impressed of how the Alexander, the foxtail and robellinii’s pulled thru undamaged. The royals on the other hand has some burnt foliage which I sort of expected but the palms themselves survived. We’re expecting one more freeze tonight and I’ll have my fingers crossed. By the way, my t-stat here in Deltona was at 31° at 6:10 am. The weather Channel has us expected to be a low 29° tonight.
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2021 Freeze Damage - Texas and the Southern US 1 2 3 4
by JJPalmer- 5 followers
- 154 replies
- 26.1k views
Given the duration and severity of the recent and ongoing historical freeze in the Southern United States, particularly Texas, it will be important to document the damage along with what happens to survive. In the future, archiving the damage will provide good insight into what future events may bring.
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- 2 replies
- 1.5k views
Hey guys. I know I'm late on this, but checking in with my 2021/2022 winter in-ground palm damage. Worst I've had in quite some time, but I'm sorry, I don't recall the exact temps. I'll note just the ones with damage: All four Hyophorbe lagenicaulis had completely fried leaves but lost only one. Both Elaeis guineensis (not trunking yet, but flowering) completely fried leaves, but fully recovered. All four mature growths on Dypsis cabadae killed, but younger offshoots were fine. All three Dypsis decaryi had some damage of the leaves but nothing terrible. Surprisingly, all of Satakentia liukiuensis leaves were completely fried but it appears…
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2022-December Freeze (SC zone 8A)
by Turtlesteve- 12 replies
- 2k views
December 2022. We had 5 nights in a row at or below lows of 20F. The worst night (2nd night) we hit 12F with a high of 33 the following day and a low of 15F the next night. It was also extremely windy the night before it hit 12F so there was little mercy or benefit to having favorable microclimates. I still don’t know what will survive in many cases so will update as things progress: Unprotected plants: Butia Odorata: 7 large palms (one trunking and the rest near trunking size). One large palm completely defoliated, two with spear damage, the rest look perfect. The one that defoliated is still alive. About 15 smaller Butia (3 gallon to 15 gallon size…
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2025 freeze south mississippi
by OutpostPalms- 2 replies
- 251 views
Just wanted to share how my palms made out. I have 2 Bismarkias, 2 jelly palm, 4 medium sized Washington robusta, and 8 young robustas. In January 2025 we set an all time record low temperature of 15 degrees F (-9C) here along the Mississippi coast. It was also accompanied by the first significant snow in a generation as 7 inches fell on us. This was preceded and followed by a couple nights of 20-25F temps. In a pinch I realized I need to try and protect some of the trees. For the bismarkias I took 2 stakes and put them in the ground and then double trash bagged them with Christmas lights going inside. For the larger robustas they were fully expos…
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A Lift After The Big FL Freeze!
by Paul The Palm Doctor!- 8 replies
- 8.7k views
I don't know if this idea has already been offered, (and if it has forgive me!) but I thought of something oh-so-basic today, while watering my browning tropical plants. If we need a bit of an emotional "lift" after two whole weeks of mind-numbing, and seemingly relentless cold in the Gulf South, try the following: 1. buy a brand new palm at your favourite palm source, that was greenhoused, and therefore is a vibrant green! You will "focus" on the planting, establishment, and growth...and this palm will be a harbinger of what the other not-so-pretty cold damaged palms will look like (a bit later in the year!) 2. Buy a trio of pretty foliaged or flowering plants t…
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A suggestion
by Than- 8 replies
- 1.1k views
I check this forum often looking for species data but sometimes I feel that the information people share here is of little practical value because we only share the minimum temperature a species has seen but how about next day's maximum? Knowing only the minimum doesn't help much to know the real hardiness of a palm. Some of you live in climates where it may get, say, 26F at night but then will reach a balmy 60 next afternoon. Whereas others will see 26F at night and then just 35F or even 32F next day. We all know that these two hypothetical situations would affect the same tree in totally different ways. So how about everyone shares not just the minimum their palms have …
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AAA - keep this up a while
by DoomsDave- 16 replies
- 8.9k views
Howdyall: I've found the information in this particular series of threads useful. I suggest we keep it up for, say, six months so we can report on recovery of frozen plants? That's useful, too. How about it Dean? dave
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AAA Florida General Palm Hardiness Data
by Mauna Kea Cloudforest- 2 followers
- 28 replies
- 9.6k views
This was found posted on a website and summarizes a lot of cold hardiness data. Reposting this here for general availability. reprinted from "The Palmateer" Dec., 1999 My main purpose in tackling this particular subject is to demonstrate to palm growers (the hobbyist & the commercial grower alike) the vast array of palms that can be grown with a little effort in central Florida. However it is necessary to preface a subject this "all encompassing" with a few of the obvious disclaimers, the first being micro-climates : lakes and other waterways to the north or north west of our gardens, tall plants that can provide windbreaks and large oak trees or other eve…
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AAA Jan 2017 Freeze Data
by Xhoniwaters1- 6 replies
- 3.7k views
Two nights in a row of freezing temperatures. Had a group of large potted palms that were stored in my wooden shed. A few were going in the ground this spring. No added heat in the shed. Outside low temperature estimates were 30-32* first night and 25-27* second night. First night was a short duration of freeze, second night saw about 12 hours of freeze. Damage report for palms in shed (POTTED):Pritchardia maideniana overgrown 5g- 100% defoliation+ spear pull ,2 Dypsis saintelucei overgrown 5g- 100% defoliation, green petioles, solid spears, 2 Pseudophoenix sargentii overgrown 5g- 90% defoliation, green petioles, solid spears, 2 Ravenea sambiranensis 5g- one with zero da…
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AAA...Data reporting
by STEVE IN SO CAL- 3 replies
- 5.1k views
In order for this project to be successful, we need the following info... Temp, duration below freezing(a good guess anyway), microclimate(under eave, down in a windless hole,etc) and VERY important: Plant size !!! A 24' box sized plant will take considerably more cold than a 1 gal size. If you look at Mattys and Geoff Steins posts, they are providing whats needed(others are too, just using these as examples) Comments like"my stuff looks great" will certainly end up on the editing room floor. Bossy Bob...out
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AAAA - Virginia Palm Freeze Damage Data
by PalmTreeDude- 1 follower
- 4 replies
- 3.7k views
A few of my palms did have some damage, one Butia had a lot of browning (it was covered with a bucket), another Butia had tip browning (it was covered in a large pot), and my Mediterranean Fan Palm had a lot of browning on random places (covered with a wooden structure and a tarp). My Needle Palm and Windmill Palm appear to be fine. The windmill had a tarp over it and many layers under and the needle had no protection. No heat was applied to any of these palms.
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AAAA...not so fast
by STEVE IN SO CAL- 34 replies
- 9.4k views
Bossy Bob here again... I'm starting to see damage on palms that I thought were going to be OK. My big Rav Glauca is now just starting to show damage, and a Pritchardia that was on the south side of my house next to my constantly used and warm chimney, is starting to fold. Three days ago, these palms looked perfect... Please be thorough, and if need be, edit your posts to reflect final damage. I'm waiting to share my data when damage shows in its final stage. Remember, this is a thread dedicated to gathering cold damage data, and we may not(hopefully)have the opportunity to compile such important data anytime soon. So, please update damage as needed...
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AAAAA More data
by STEVE IN SO CAL- 7 replies
- 5.8k views
At the risk of sounding like Bossy Bob...there's a lot of Chatty Cathys on this thread. Let's keep it about the freeze data...whoever volunteers to edit this work someday will have to sift thru less BS if we keep it to the point. Clever, witty quips are unavoidable(since this is a comedy club as well), as well as comments and observations pertinent to the subject. Also, some are assuming we know how cold it was, what size the plant, etc so please be complete...I'm assuming that incomplete data will be edited out, so you're wasting your time sharing incomplete data. We have one chance to get this right, so lets not bugger it up Don't forget, there is a weather threa…
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Acanthophoenix crinita
by quaman58- 10 replies
- 6.8k views
Upper hillside planting, 3-1/2 foot plant in ground 2-1/2 years. Mild leaf browning on 2 fronds @ 27F.
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Acoelorraphe wrightii
by Patrick- 19 replies
- 10.1k views
No damage on a young plant, unprotected at 23 degrees
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Acrocomia
by DoomsDave- 7 replies
- 7k views
I have about a dozen of these, most are in five gallon pots, all were exposed to three nights of 24.8 F (-4.4 C) and a fourth consecutive night at 27.8 F. No white frost.
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Acrocomia (previously Gastrococus) crispa
by Austinpalm- 2 replies
- 4.6k views
I've seen this palm listed as a zone 10a palm. Other Acrocomia have proven to be hardy to at least 9a with occassional reports of hardiness to the upper teens (8b). Has anybody had an experience with A. crispa surviving zone 9a temperatures or cooler? I have seen some seeds for sell and am curious if there is even a chance of growing it here. On a side note. An A. mexicana I have planted appears to have survived 16F with significant damage. It is putting on new growth though.
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