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Thread: Villosa/rajah

  1. #9

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    I'm sorry, poor choice of words, not 'harder' i said 'hardier' meaning more hardy, more durable.

    Anyway, i know more about Hamata, and Lowii from a previous thread. I'm just wondering: would rajah and villosa still be able to pitcher in an enviornment like what i described earlier?

    If the humidity is a problem, i can always bring out the other humidifier, it served it's purpose very well in my stovehouse until i got a new humidifier and (luckily) put the old one away instead of tossing it. [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile.gif[/img] So i'm just wondering if i would need it or not, and whether i would need it for villosa, but not rajah, of for villosa and rajah etc.
    Thanks, and sorry for the poor choice of words,
    Dave
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  2. #10

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    OK, humidity above 50% is fine. More is better, for highlanders 65-85% gets you good pitchering without pathogen problems, but for lowlanders humidity generally needs to be higher. Unless you're growing lowlanders like bical, northiana, rowanae etc that need lots of heat and humidity, you can get amazing tolerance from Nepenthes in relation to humidity.

    The differences between rajah, lowii and villosa don't relate to humidity. It relates to temperatures. Villosa is less tolerant of warmer temps, especially night temps, than rajah or lowii. Whilst it will grow fine for several years as a small plant in less than idea conditions, the older it gets, the more it needs strict temperature control. Many growers of villosa measure their success in how long the plant survives for them.

    Villosa is not a species to be grown unless you've got the proper set-up to grow it in, unless you just want to have it for 3-4 years before it dies.

    Hamish
    Demystifying Nepenthes: http://www.nepenthesforeveryone.com

  3. #11

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    Hey Folks,
    From my experience growing these guys outdoors, I think N. rajah grows slightly faster than N. villosa. Also, it seems that there are bigger rajahs on the market than villosas. For some reason you can only find like 1-1 1/2" villosas. Seems nobody is growing them out I guess. Since I do grow my guys outdoors, temperature fluctuation is not a big issue for me except for lowlanders I'm adapting to outdoor conditions. As for humidity, both species have done well for me even when the Santa Ana winds kicked up with that 10% humidity factor that occurs in So. Cal. I haven't been to Peter's greenhouse in quite a long time, but I recall him having a few small rajahs there. Can't remember about villosas. Maybe not.

    Joel

  4. #12
    Nepenthes Specialist nepenthes gracilis's Avatar
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    I know its been stated already, but the biggest issue with N. villosa and N. rajah plants is the temperature at night. Being Ultrahighlanders they absolutely NEED a nocturnal cooling period, esp. N. villosa. I let my temps drop to around 5C at night then the heat comes on and warms it up to around 8-10C so its fairly cool in there at night. Humidity like Hamish said before, will give you some leeway in growing.

  5. #13

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    Well if i can get if for a good enough price... no, i want to keep my plants alive. So Hamish, you think i can keep a rajah alive in my conditions? The temps are good, in the summer it may get a bit warm (low 60s, up to 65 at most), and the humidity is good from what you said, but it can be raised if need be.

    BTW in my lowland greenhouse, humidity is about the same, and i get a number of pitchers from my bicalcarata (and it is still green!).

    Thanks for your advice, i'll call C.A. carnivores today to see if they have a rajah in stock, otherwise i'll just make do with the lowii and hamata i'm planning to get until then.
    Thanks again
    Dave
    P.S. I've heard that with many Nepenthes, warmer temps can be tolerated as long as humidity is high, is that true?
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  6. #14

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    I grow N. rajah with temps between 8C and 30C in the day, dropping to around 21C max at summer nights (much lower in winter). I think that the nighttime drop along with very misty/humid nights (from a fogging machine) is the key for me at any rate, as it seems a reasonably fast grower and is pitchering well.

    Good luck.
    Rob Howe.

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  7. #15

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    Hmm, Peter told me it grows "suicidally slow". Anway, he doesn't have any right now, maybe i'll order from Tony.
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  8. #16
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Its not slow. Just steady. Slow is N. villosa, that is really the only Nepenthes I would qualify as slow. Perhaps Peter is growing them wrong. [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_n_32.gif[/img]

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