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Thread: Perlite and rain

  1. #1

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    Does perlite floating to the top of pots pose a problem for VFT growth? I forgot to take my new VFTs in last night during a big 'ol storm.

  2. #2

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    I don't know if it's a problem, but it is unsightly.

    I would avoid perlite in mixes to be used outside, or else top-dress with LFS.

    VFTs do well in pure LFS; I'd just use that.
    My Grow List

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  3. #3
    Moderator Schmoderator Fluorescent fluorite, England PlantAKiss's Avatar
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    Personally I hate perlite...but I do use it some mixes. If I do use it, try to top-dress with peat or LFS to keep the perlite out of site. But it always seem to get to the top.
    "Fox terriers are born with about four times as much original sin in them as other dogs." - Jerome K. Jerome

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    Hmmm... I have all my Sarras in peat/perlite mix and top dressed with live sphagnum (to minimize floating perlite) and they've been growing like weeds. I was afraid to use LFS with the VFTs as most of them are very small and I'd hate for the LFS to overgrow the VFTs. Guess I'll settle for moving them indoors during rain or at least build some sort of rain shield. I just wanted to make sure that severe buildup of perlite 'floaters' don't hurt my VFTs.

  5. #5

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    only thin i use perlite fer is Sarracenia

  6. #6
    herenorthere's Avatar
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    I like sponge rock, the larger & irregular perlite. I think it works much better and doesn't have perlite's migratory tendencies.
    Bruce in CT

    Madness is something rare in individuals but in groups, parties, peoples, ages it is the rule. Friedrich Nietzsche

  7. #7
    Let's positive thinking! seedjar's Avatar
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    I don't think it's much of a threat, just ugly. It can harbor algae as well, which I suppose could become a problem, if you let it get out of hand. I top with a mix of dried sphagnum and peat or sand, which seems to pack down and hold on to the perlite. I wouldn't worry unless algae starts growing.
    Best luck,
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    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

  8. #8

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    Thanks for the tips... the sponge rock sounds interesting. I might have to look into that for Spring repotting.

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