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Thread: N. raja 14 years old

  1. #25

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    As I mentioned on my posting about this species, my experience has been that a very wide
    pot is quite helpful. Two years ago, I had one of my largest rajahs in a 20 cm pot, in which
    it had been growing for three years. I decided to remove it from the pot to ascertain the
    extent to which its roots had permeated the compost. To my surprise, it was completely
    rootbound, with the roots permeating the top three inches of the compost almost exclusively.
    At that point, I put it in a shallow pot, 45 cm in diameter. Within a few months, it increased in
    size and produced new basal growth.

    Due to the rather extraordinary size of the leaves and pitchers of this species, it seems
    reasonable to infer that it requires an extensive root system to satisfy its needs. Even
    some of the smaller specimens in my care have developed very robust root systems
    rather disproportionate to their size....

  2. #26
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Well the perfect pot sounds like a deep and wide one then! [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]
    Maybe like an Azalea pot? (as tall as wide) Or a custom pot, (very wide and deep) Just a suggestion.

  3. #27

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    I'm probably too late posting this for anyone to see it since it's now and old thread, which is OK really since it's my first posting on the forum and I'm not sure if it'll work or not [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]

    In it's natural habitat, there is something that stops roots of N. rajah from going very deep - rock. It sort of clings on to steep rocky slopes, often with little for the roots to penetrate into. It rains an awful lot there, so the roots may be more important as an anchorage than as a water collecting organ.

    We've found that when seedlings of N. rajah are grown out from sterile culture in trays, they tend to send out roots horizontally just beneath the surface. If the seedling are planted too close together, the root systems can get matted together making the young plants difficult to seperate. Yes, I reckon wide pot is good for this species, but there's nothing wrong with some depth too in MHO.

    Rob Cantley
    Rob Cantley
    Nep Nut in Sri Lanka
    http://www.borneoexotics.com

  4. #28
    Tony Paroubek's Avatar
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    Yay Welcome Rob!

    Interesting additional information as well. Particularly since you have lots of first hand knowledge with these plants in their natural habitat.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

  5. #29

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    Wow, another very interesting name popping up - Welcome to the forum Rob!

    My experience with the root system of small N. rajah is different. One of my plants grew its roots also quite deep into the soil. At a diameter of 3-4cm the roots were growing about 7cm deep into the pot and were very large compared to other Nepenthes. A friend of mine made a different experience, he grew his plant in his standard Nepenthes soilmix and added a top layer of living Sphagnum to increase humidty. When he repotted this plant the roots did only grew into this top Sphagnum layer but didn't grew down into the rest of the soil.

    Small N. rajah from TC are also said to grow best in pure living Sphagnum which shouldn't be kept to wet - well it'll take some more time before I can comment on the experiment I've started some months ago...

    Joachim

  6. #30
    fly-catchers's Avatar
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    This is my first post here as well!
    I recently repotted my small 7 year old rajah which has been in a 5 inch pot. I was surprised to see that the entire pot was full of roots!
    It is now in a large water lily basket 15" across 8" deep. I noticed that all the larger Rajah plants at Kew along with most of their Nepenthes species were in water lily baskets. So I am gradually repotting my plants into those as well.

    I wonder how big this 14 year old Rajah was when Matthew got it? My plant was tiny and didn't do anything for the first few years. But since I added a Nepenthes section to my greenhouse has really put on some growth. I wonder what it will look like when it celebrates its 14th birthday??

    cheers

    bill
    fly-catchers

  7. #31
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Welcome Welcome Rob! [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]

    flycatchers- Matt told me the Rajah was about a foot across when he obtained it.

  8. #32

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    Quote (nathaniel @ Aug. 26 2002,01:06)
    Please, don't start that again [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]![/QUOTE]
    Quote
    i wonder if it could catch a squirrell

    [/QUOTE]

    Start what?

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