Jump to content
  • WELCOME GUEST

    It looks as if you are viewing PalmTalk as an unregistered Guest.

    Please consider registering so as to take better advantage of our vast knowledge base and friendly community.  By registering you will gain access to many features - among them are our powerful Search feature, the ability to Private Message other Users, and be able to post and/or answer questions from all over the world. It is completely free, no “catches,” and you will have complete control over how you wish to use this site.

    PalmTalk is sponsored by the International Palm Society. - an organization dedicated to learning everything about and enjoying palm trees (and their companion plants) while conserving endangered palm species and habitat worldwide. Please take the time to know us all better and register.

    guest Renda04.jpg

Growing Cocos nucifera (Coconut) in marginal climates outside the tropical monsoon, in subtropical, Mediterranean type climate, methods used


Maltese coconut project

Recommended Posts

On 10/25/2022 at 9:58 AM, Maltese coconut project said:

Update of the Maltese coconut project experiment, this time they were all kept south facing all summer.  Late October and temperatures are still relatively warm with 26 degrees celcius (78 degrees Fahrenheit) in the shade and 36 degrees celcius (96 degrees Fahrenheit) in the sun. Hopefully the new building to the west and north west significantly shields North Western winds but unfortunately the building to the north has been demolished and will take some time through winter to build high again.  New spears are still growing at the moment. Currently I am giving Potassium nitrate, calcium nitrate,, magnesium sulfate, micronutrients and NPK 3-11-38. In November I will tail off fertilisers with significant amount of Nitrogen and keep the NPK 3-11-38, Magnesium sulfate and micronutrients only to keep them as cool resistant as possible 

IMG_20221024_121711.jpg

IMG_20221024_121718.jpg

IMG_20221024_121730.jpg

IMG_20221024_121426.jpg

IMG_20221024_121407.jpg

IMG_20221024_121357.jpg

IMG_20221024_121402.jpg

IMG_20221024_121341.jpg

IMG_20221024_121346.jpg

IMG_20221024_121320.jpg

IMG_20221024_121326.jpg

IMG_20221024_121250.jpg

IMG_20221024_121242.jpg

IMG_20221024_121231.jpg

IMG_20221024_121235.jpg

IMG_20221024_121157.jpg

IMG_20221024_121209.jpg

IMG_20221024_121149.jpg

IMG_20221024_120944.jpg

IMG_20221024_120953.jpg

IMG_20221024_121445.jpg

IMG_20221024_121521.jpg

IMG_20221024_121734.jpg

IMG_20221024_121925.jpg

IMG_20221024_121938.jpg

Nice seedlings. What happened to the plants you had from 2019? Did all survive the past 3 winters?

Link to comment
Share on other sites

They didn't survive last winter.. But part of it was my fault.. First mistake was that in summer I didn't leave them south facing but put them under North facing wall.. This promoted faster growth with larger leavestin summer but the drawback was that the waxy cuticle on the leaves was thinner and they had fewer but bigger stomata. Also since they weren't under stress, they didn't build up enough abscisic acid therefore they weren't prepared for winter.. This summer I left all my specimens South facing.  I am also giving Potassium nitrate, calcium nitrate, magnesium sulfate, manganese, Zinc Silicon, micronutrients,  molybdenum (acidic micronutrients on a particular watering, alkaline micronutrients on another day.) The leaves are very rigid and thick this time unlike in my previous experiments.. Also the seedlings are thicker this time 

Link to comment
Share on other sites

So far so good everything is going well. The hostile temperatures begin in December here. I hope that the new hardening techniques work and hopefully will be a less harsh winter 

IMG_20221107_105703.jpg

IMG_20221107_105718.jpg

IMG_20221107_105727.jpg

IMG_20221107_105742.jpg

IMG_20221107_105755.jpg

IMG_20221107_105807.jpg

IMG_20221107_110149.jpg

IMG_20221107_110203.jpg

IMG_20221107_110208.jpg

IMG_20221107_110216.jpg

IMG_20221107_110221.jpg

IMG_20221107_110228.jpg

IMG_20221107_110309.jpg

IMG_20221107_110349.jpg

IMG_20221107_110417.jpg

IMG_20221107_110426.jpg

IMG_20221107_110459.jpg

  • Like 1
Link to comment
Share on other sites

Where can you find hardy coconuts to germinate? Do you sell smaller plants? 

Asking for a friend who wants to try one on Mallorca 

Link to comment
Share on other sites

I am just germinating lidl Indian coconuts at random. I harden them myself. I use vivariums to start them then acclimatise them for the sun. Though I am still experimenting. I suggest doing it yourself approach.. It's not difficult and actually it's fun. Though you'll need to try a quantity of coconuts to increase your luck of finding some strong germinating ones. Use an aquarium under gravel heating cable, humidity, temperatures in the upper 20s. Objects you need : aquarium heating cable and thermostat.  Transparent storage box, aquarium gravel,  2 trays, a water bottle and coconuts.. You need to cut slits in storage box lid to pass heating cable and thermostat sensor. If you cut only one slit make sure the thermostat sensor isn't too near the heating part of the heating cable (note that the heating cable looks like a white wire, part of it heats but the part closer to the plug doesn't, make sure the sensor isn't too near the heating part otherwise you'll have inaccurate cut offs from thermostat 

IMG_20220903_110612.jpg

IMG_20220903_110631.jpg

IMG_20220903_110427.jpg

IMG_20220902_202030.jpg

IMG_20220902_202226.jpg

IMG_20220902_202211.jpg

IMG_20220803_202919.jpg

  • Like 1
Link to comment
Share on other sites

5 hours ago, Maltese coconut project said:

I am just germinating lidl Indian coconuts at random. I harden them myself. I use vivariums to start them then acclimatise them for the sun. Though I am still experimenting. I suggest doing it yourself approach.. It's not difficult and actually it's fun. Though you'll need to try a quantity of coconuts to increase your luck of finding some strong germinating ones. Use an aquarium under gravel heating cable, humidity, temperatures in the upper 20s. Objects you need : aquarium heating cable and thermostat.  Transparent storage box, aquarium gravel,  2 trays, a water bottle and coconuts.. You need to cut slits in storage box lid to pass heating cable and thermostat sensor. If you cut only one slit make sure the thermostat sensor isn't too near the heating part of the heating cable (note that the heating cable looks like a white wire, part of it heats but the part closer to the plug doesn't, make sure the sensor isn't too near the heating part otherwise you'll have inaccurate cut offs from thermostat 

IMG_20220903_110612.jpg

IMG_20220903_110631.jpg

IMG_20220903_110427.jpg

IMG_20220902_202030.jpg

IMG_20220902_202226.jpg

IMG_20220902_202211.jpg

IMG_20220803_202919.jpg

Thank you very much!

Link to comment
Share on other sites

17 hours ago, Will said:

Where can you find hardy coconuts to germinate? Do you sell smaller plants? 

Asking for a friend who wants to try one on Mallorca 

Why Mallorca? You wont have a chance leaving it outdoors in the winter

Link to comment
Share on other sites

On 11/6/2022 at 4:38 AM, Maltese coconut project said:

They didn't survive last winter.. But part of it was my fault.. First mistake was that in summer I didn't leave them south facing but put them under North facing wall.. This promoted faster growth with larger leavestin summer but the drawback was that the waxy cuticle on the leaves was thinner and they had fewer but bigger stomata. Also since they weren't under stress, they didn't build up enough abscisic acid therefore they weren't prepared for winter.. This summer I left all my specimens South facing.  I am also giving Potassium nitrate, calcium nitrate, magnesium sulfate, manganese, Zinc Silicon, micronutrients,  molybdenum (acidic micronutrients on a particular watering, alkaline micronutrients on another day.) The leaves are very rigid and thick this time unlike in my previous experiments.. Also the seedlings are thicker this time 

Hope it works. Sorry about all those big plants dying

  • Like 1
Link to comment
Share on other sites

Hopefully the hardening works. Regarding Majorca climate is very similar to Malta, very slightly cooler. 

Link to comment
Share on other sites

7 hours ago, veeman55 said:

Why Mallorca? You wont have a chance leaving it outdoors in the winter

Why not? They have quite a mild climate. Last years minimum in that garden was 3-4°C. Saribus rotundifolia, Ptychosperma and others growing without any problem. Might as well try a Cocos nucifera

Link to comment
Share on other sites

Low temperatures are subjective. In my area the January night time low is rarely lower than 9 degrees celcius. The problem is that winter night time chills in Malta though they aren't extremely low, they persist quite for long.  Areas like florida have lower lows but for a short time (few days if I'm not mistaken) before rebounding back to 20's degrees celcius( 70s Fahrenheit) 

Edited by Maltese coconut project
  • Like 1
Link to comment
Share on other sites

19 hours ago, Will said:

Why not? They have quite a mild climate. Last years minimum in that garden was 3-4°C. Saribus rotundifolia, Ptychosperma and others growing without any problem. Might as well try a Cocos nucifera

Do you see any coconuts growing in mallorca and You will never see any growing outdoors all year long.

Mallorca gets colder than 3 4 during winters even going below zero.

You can try but unless your temp in winter stays above 8 in evenings and lots of sun in winter its futile

Link to comment
Share on other sites

2 hours ago, veeman55 said:

Do you see any coconuts growing in mallorca and You will never see any growing outdoors all year long.

Mallorca gets colder than 3 4 during winters even going below zero.

You can try but unless your temp in winter stays above 8 in evenings and lots of sun in winter its futile

Doesn't mean you cant try. Not seeing something grow doesn't man it couldn't. Mallorca is big, probably the mountains get below 0, doubt the harbour those though. My friend hasn't measured any negative temps since he started growing a few years ago and some climate data also don't show any negative temps.

  • Upvote 1
Link to comment
Share on other sites

In the meantime here is an update of my current Cocos and some other tropical species on the rooftop. Yesterday it rained quite heavily marking 33.5mm average across the Maltese islands 

Screenshot_2022-11-13-14-07-00-507_com.android.chrome.jpg

IMG_20221113_123526.jpg

IMG_20221113_123540.jpg

IMG_20221113_123729.jpg

IMG_20221113_123634.jpg

  • Like 2
Link to comment
Share on other sites

On 11/13/2022 at 2:12 PM, Maltese coconut project said:

In the meantime here is an update of my current Cocos and some other tropical species on the rooftop. Yesterday it rained quite heavily marking 33.5mm average across the Maltese islands 

Screenshot_2022-11-13-14-07-00-507_com.android.chrome.jpg

IMG_20221113_123526.jpg

IMG_20221113_123540.jpg

IMG_20221113_123729.jpg

IMG_20221113_123634.jpg

Good achievements there! And very good information! Thanks. 

Just one question: do you sterilize the coco fruits you buy at supermarkets with hydrogen peroxide, lye, insecticide or any other chemical, before placing them inside the plastic box?

I mean it because most of them are very easily prone to rot at the growing hole, once inside the box with some water. 

At least, that has been my bad experience. Only one managed to sprout and it was the only one I found already sprouted at the shop. 

Good luck with yours, and I hope to see them in the ground soon and thriving. 

Link to comment
Share on other sites

No I don't sterilise them.. I only put them in a bucket of water and keep them submerged. The trick is to use heat humidity in the storage box but don't go to extreme humidity or otherwise you might have problems 

Link to comment
Share on other sites

In fact when in the past I tried the coconut inside bag method it didn't work due to the too much humidity in a small space 

Link to comment
Share on other sites

On 10/11/2022 at 08:30, veeman55 said:

Vedi qualche noce di cocco crescere a Maiorca e non vedrai mai crescere all'aperto tutto l'anno.

Maiorca diventa più fredda di 3 4 durante gli inverni anche scendendo sotto lo zero.

Puoi provare, ma a meno che la tua temperatura in inverno non sia superiore a 8 la sera e molto sole in inverno è inutile

where did you read that temperatures drop below zero in mallorca? Sounds like a joke to me...

Screenshot_20221120-195912_Google.jpg

Link to comment
Share on other sites

At this point, I will advise to move this thread under the PALMS IN POTS thread. 

@PALM MOD

5 year high 42.2C/108F (07/06/2018)--5 year low 4.6C/40.3F (1/19/2023)--Lowest recent/current winter: 4.6C/40.3F (1/19/2023)

 

Link to comment
Share on other sites

  • 4 months later...

Welcome warm season and bye coconut hostile season for now. Temperatures are now getting set above 21 degrees celcius and 70s degrees Fahrenheit.  Only 3 coconut seedlings were able to survive this early year's cold season. Now will experiment with the higher Nitrate, negligible ammoniacal and zero urea.  The following will be the fertiliser regime I will use :

Monday: NPK 3-11-38 and quarter dose NPK 11-42-11 that equates to NPK 2.75-10.5-2.75.

Tuesday: Chelated Micronutrients (Magnesium, Manganese, Zinc, Copper, Iron, Boron and Molybdenum) 

Wednesday: Potassium Nitrate NK 13.5-0.46.2

Thursday: Magnesium sulphate (epsom salt) 

Friday : silicon and iron in an acidic solution plus root activator  

Saturday: Calcium nitrate 15.5-0-0

Sunday: Molybdenum 

The total NPK per week will be 34.75-21.5%-86.95% out of which Nitrates will consist of 31.55% Nitrate Nitrogen, 3.2% Ammoniacal Nitrogen and zero Urea. The aim is to build more compact thicker plants with thicker leaves that are more resistant to abiotic stress. This technique will be combined with south facing plants as well. I am hoping for a much better coconut palm survival rates next winter 2023-2024 by building more robust compact coconut palms in summer. I will absolutely ditch that 22-12-12 out of which has 14 urea and 8 ammoniacal without nitrate type. I learnt this information late last October but it's never too late.  Also I learnt late about the incompatibility of some fertiliser combinations and on how important to use calcium for example and regarding using potassium nitrate and increasing potassium for better winter resistance. Hopefully it will work next time. Will keep everyone updated regarding my next experiment

IMG_20230423_142706.jpg

IMG_20230423_142711.jpg

IMG_20230423_142743.jpg

IMG_20230423_142747.jpg

IMG_20230423_142754.jpg

IMG_20230423_142826.jpg

IMG_20230423_142842.jpg

IMG_20230423_142858.jpg

IMG_20230423_142903.jpg

IMG_20230423_142907.jpg

IMG_20230423_142921.jpg

IMG_20230423_142925.jpg

IMG_20230423_142931.jpg

IMG_20230423_142933.jpg

IMG_20230423_142944.jpg

IMG_20230423_142951.jpg

IMG_20230423_143007.jpg

IMG_20230423_143012.jpg

IMG_20230423_143016.jpg

IMG_20230423_143022.jpg

IMG_20230423_143028.jpg

IMG_20230423_143048.jpg

Screenshot_2023-04-23-14-26-29-150_com.android.chrome.jpg

Screenshot_2023-04-23-14-26-36-933_com.android.chrome.jpg

  • Like 1
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Recently Browsing

    • No registered users viewing this page.
×
×
  • Create New...