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Nepenthes Everything about Tropical Pitcher Plants



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Old 21st September 2008, 03:00 PM
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Marigoldsfail21 Marigoldsfail21 is offline
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Default Nepenthes, and the Quest for the Perfect Soil

(I type too much, so skip to the second paragraph, because that's the point of this thread)

Recently, I had enough time to observe my nepenthes a bit more closely than I usually do. I ended up sifting through the soil mixture to check on how healthy the roots of the plants were, to see in general how my nepenthes were liking their conditions. All my nepenthes are in a 3:1 mix of coconut husk and sphagnum moss, and origionaly I thought that this mix drained really well. The soil mix in the pots, however, breaks down pretty fast; lower down in the soil, particles built up and held water like pure peat moss. Higher up in the soil, it would dry out faster, because most of the large peices of the soil remained in that area. The sphagnum on the surface of the mix turned black, and broke down very quickly(maybe from wetting and drying out so frequently), and looks like it caused even more particles to go to the bottom and reduce drainage. I also remember there being alot of salt build up in the lower areas of the mix. So, the majority of my nepenthes have poor root systems.


If anyone would be nice enough to share their Nepenthes secret soil mixes, go ahead! I remember some threads about burnt earth,how is that working for growers using it?


Also, does anyone know if there is a difference between horticultural charcoal and charcoal for water filter. (also called activated carbon, I think)
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Old 21st September 2008, 03:39 PM
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Marigoldsfail21 Marigoldsfail21 is offline
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Default Re: Nepenthes, and the Quest for the Perfect Soil

To help develop a successful mix of my own I'll be doing some experiments with N. madagascariensis, and, depending on if I have enough space, I'll test between 3-6 different soil mixes(I'll need 4-7 plants since there will be a control also).

Possible mixes I'll try:

1:1 LFS to perlite*

?:? mix of polemer gel to bits of packaging peanuts(the kind that dosen't dissolve in water)

Pure LFS

Pure Cocoapeat

1:1 mix of Live sphagnum to orchid bark

2:1:1 mix of orchid bark to cocoapeat to charcoal

The control will be the mix I'm now using- 3:1 coconut husk to LFS

*- I read in CLiff Dodd's articles at (http://borneoexotics.com/files/cliffDod.htm) that perlite releases flourides and that hurts nepenthes. Can anyone here confirm this?

Quote:
?:? mix of polemer gel to bits of packaging peanuts
I still have to determine what ratio would be best to try for this mix. This is the mix I am most curious about, since it is entirely artificial, with no organic matter in it.


It will likely be a while before I do this, since I still have to order the plants. I just want to notify anyone who is interested.
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Old 21st September 2008, 07:16 PM
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strath76 strath76 is offline
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Default Re: Nepenthes, and the Quest for the Perfect Soil

Sounds like a good idea Marigold. I have heard that cocopeat breaks down quickly and has a high salt content but i haven't used it myself.

I use a couple of different mixes and just keeping changing the media for individual plants until they start gowing well. If it looks like a plant is struggling I change the mix. I am currently using pure LFS for some plants (I think a gracilis and raff from memory), a mix of about equal parts peat/sand/pine bark (the type orchid growers use) and a third mix of equal parts LFS and pine bark.

All three seem to work for individaul plants. Obviously the peat mix is the worst drained with the highest water holding capacity but I put a x rokko into this after 6 months of no growth and it has now taken off with almost half a dozen small pitchers.

Please keep us informed of your results. It will be interesting to see how the different mixes go with one species. It would also be good to see if people with a bit of space can try the experiment with a few different species to try and come up with mixes for individual species.
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Old 22nd September 2008, 03:59 AM
Pananep Pananep is offline
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Default Re: Nepenthes, and the Quest for the Perfect Soil

For all my neps, I use a mix of 1:1:1:1:1 perlite, vermiculite, orchid coco chips, sphagnum peat moss, LFS. When potting up lowlanders I use the same but I use a greater percentage of peat moss. I believe this is ok, the plants seem to be growing alright.
However, I want to create a new mix that improves air circulation around the roots. I wanted to add to my current mix something like charcoal or some sort of bark. I was wondering if the bark they sell for reptile terrariums at pet stores would work. Also, when buying charcoal, Is the charcoal that they sell at convenience stores ok? This is the type of charcoal that one brings home for BBQ's. It is not the nugget type, I am talking about natural charcoal that even looks like little bits of wood, only black hehe. Anyways I wanted to know if these two materials would work. My concern arose because in some of my larger neps that are potted with my current mix, the water does drain out almost immediately after watering, although it drains out very slowly and I was wondering if I should be concerned about this. Alright then, I'll appreciate any advice.... Later!
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Old 22nd September 2008, 05:50 AM
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Victoria Victoria is offline
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Default Re: Nepenthes, and the Quest for the Perfect Soil

It sounds like you have it all planned out quite well!

I use a 1:1 mix of coconut husk and course perlite and I have been very please with the results over the past year. I also grow all my Neps in coco lined baskets as they are great for added air to the roots.

I have used coco peat before but was very unhappy with the results as it seemed to become far to compact and didnt seem to have near the airiness as coconut husk....plus I like the look of the coconut husk better.

I look forward to seeing the results as time goes on so please do keep us informed of your progress Marigold!

Happy growing!
Victoria
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Old 22nd September 2008, 10:46 AM
alienfx alienfx is offline
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Default Re: Nepenthes, and the Quest for the Perfect Soil

I dont believe there is a perfect soil mix.Some mix maybe good for some type of plants and not good for some other types of plant.So,if we can divide by which type of nepenthes likes which type of soil,then it would be great.
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