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cattleya in volcanic rock

This is a discussion on cattleya in volcanic rock within the Cattleya Information forums, part of the Frequently Asked Questions category; Hi Everyone...Just wondering if any of you have re-potted a cattleya in volcanic rock. Please ...

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  1. #1
    espranch is offline Senior Member
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    Thumbs down cattleya in volcanic rock

    Hi Everyone...Just wondering if any of you have re-potted a cattleya in volcanic rock. Please let me know if you have, and what the results were. Thanks much...Betty

  2. #2
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    I grow most of my Catts in lava rock. You have to be careful about salt build up, so they need to be rinsed with clean water occasionally. I have heard some people have trouble with over watering but I haven't had that problem. So if your aren't going to be shipping your catts (lava rock is weighty) try it.

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    Can be ok to repot them in lava rock but in my experience can be a problem.The best in my opinion is half lava rock and half charcoal...for me adding charcoal have made the difference....

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    espranch is offline Senior Member
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    Thanks very much for your input, Cin. I'm going to try it this afternoon! Betty :-)

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    They may pout for a little while.

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    espranch is offline Senior Member
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    Well, don't they all...especially when the type media is changed.....Betty :-)

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    Betty, we have used small lava rock to aid in drainage in our cattleyas, but always include our bark mix to help hold a bit of moisture. Here in this part of the states it gets very hot and though catts like to dry out between watering, I like to make sure they hold a bit of moisture after watering.

    Hey, a question for you, Betty. Why the red thumbs down icon for this post? Did you already try lava rock and not like it?

    Cheers,
    BD

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    espranch is offline Senior Member
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    Hi Bruce, I DID re-pot a very large Catt. yesterday. The whole thing is in volcanic rock...1/2 to 1 inch bits & pieces. And yes, I do worry about it getting enough moisture, but I'll be keeping a very close eye on it. At the moment, it has very fat bulbs beneath the leaves. ( lots of food ) If these start to shrivel, I will take note, & perhaps change the media. As far as a red thumbs down, I don't remember putting that. Maybe my mistake? Don't know. I appreciate your input, Bruce. I'm sure there will be an adjustment period for this particular orchid. Thanks much, Betty
    Last edited by espranch; May 25th, 2010 at 08:53 AM. Reason: wrong spelling for "adjustment..."

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    espranch is offline Senior Member
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    So far, so good...The Irene Holguin catt is doing good. It's been in the lava rock a little over a week now, so it's time to give it some FOOD! LOL...Betty

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    I've been moving all the catt types over to lava rock except for the ones that have been mounted on tree fern. I've added a little chopped tree fern to the LR but that is it. I have abundant root growth at this time.
    I tend to overwater because of the vandas. Most of the species catts are non-forgiving of it.

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