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Thread: Experiment of adaptation

  1. #9
    Nepenthes Specialist nepenthes gracilis's Avatar
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    I am thinking about getting some pumice for experimentation in soil mixes, especially for the ultrahighlanders. Since they live on ultramafic soils...maybe the pumice with some bark and perlite will make it "mimic" conditions...it's worth a try.

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    Wish I could find pumice in these parts.
    For some of the ultra highland plants that do not live in mossy forests, I think that is a great idea to experiment. I would think about 1/6th peat and some small, course components(lava pebbles, pumice, laterite,bark,charcoal,course sand,ect) would work well. Most people use pumice as a perlite sub, since perlite can collect flourides in it over time. I am not sure how it does that, if you use pure water only. I have seen some pics of fine plants grown in only 5% peat(75% bark,20% perlite), but they receive daily automatic watering.
    Anyhow, doesn't "ultramafic" refer to serpentine soils, or am I getting that confused with "ultrabasic"?

    Regards,

    Joe

  3. #11
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Ultramafic is a gravelly soil that is rich in Mg and Fe. Ultrabasic I cannot remember but maybe it's Boron and Phosphorus? [img]http://www.**********.com/iB_html/non-cgi/emoticons/confused.gif[/img]

  4. #12

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    all the plants look in ok condition except for the little rajah. looks like it is in a little bit of shock from your experiment. well at least the new growth does.

    the sanguinea you will find it will take lowland conditions very well. i grow it right out side with all the other and i get about 50-60% humdity here

    the veitchii i really can't comment on i only got hybids with it in it.

    keep us updated on how the experiment goes with the rajah.
    George McKay

    In The End We are All Dead
    Florida

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    I do not know where you live, but if you have a decent natural humidity and temps that don't fall too low, your plants should do fine in broken light outdoors as long as a decent humidity is maintained. Here in Hawaii, I grow all neps outside. In fact, they seem to be much hardier that way and ship very nicely. Temps here where I am rarely get above 83 degrees F and even lowlands do very nicely. During winter, we get lows to 60 F. and sometimes a bit lower. This seems to have no effect at bothering lowlands such as N. rafflesiana, N. bicalcarata, N. albomarginata and others. They may not grow quite as fast, but they produce very nice full sized pitchers without any problem. Good luck.

    Kim

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