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Cattleya with no roots - Sphag and bag or what?

This is a discussion on Cattleya with no roots - Sphag and bag or what? within the New Growers: Ask the Senior Members forums, part of the New Growers category; Originally Posted by Kmac I've tried this with some success, only I put an overturned ...

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  1. #11
    GenevaDad's Avatar
    GenevaDad is offline Senior Member
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    Quote Originally Posted by Kmac View Post
    I've tried this with some success, only I put an overturned baggie or storage bag over them (not sealed tightly, just placed over it to make a tent) on top.
    Thanks Kathi, I was planning on doing something like that. I hadn't figured that part out yet.

  2. #12
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    Yup! Sounds freaky, doesn't it? It works. You'd be surprised what orchids can do in a happy, steamy, sunny greenhouse. I think you just answered your tag line.

  3. #13
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    The biggest issue with potting up rootless orchids..MOVEMENT. It is hard to keep them from wiggling in the pot. Any type of movement will rub off all starting nubs of roots. I agree with all above about laying them down in the greenhouse and waiting for roots. No greenhouse? A slightly damp bed of sphagnum moss with the the loosest of tents. Nothing but bright light. No direct sun.

  4. #14
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    Cathy's advice above is very illuminating and clear... I will now have confidence when I am faced with this situation.

  5. #15
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    It really works for me with Vanda types. Thanks Igor.

  6. #16
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    Hi. I did my first sphag and bag about 3 weeks ago with a rootless phal. I tied the plant to a plastic straw using sandwich bag wire closures, leaving a part of the straw to serve as support for the plant when I placed it in a plastic cup with the sphag on the bottom. The idea was that the plant did not touch the sphag. I had previously sprayed the plant with physan and let it dry completely, and after that I put rooting hormone on the root area, which was completely dead and with no new roots, just like yours. I squeezed the sphag very well, placed it on the bottom of the plastic cup (transparent), placed the tied plant inside the cup, placed everything inside a plastic zipper bag and zipped it completely. I have it in a warm low light area. Now it has a root coming out about 1/2 inch long! I open it once a week to get some fresh air and to take a closer look at it, but I think it will survive. I will post some pictures later. Give it a try, you have nothing to loose! Hope you are successful.

  7. #17
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    Here's my version of what everyone has been helping me with. I soaked the medium overnight in Physan. Soaked the Catt's in Physan and Superthrive for about 15 minutes. Both plants are now sitting on top of the bark medium; staked and with my version of a clip (piece of plastic hot glued to the sided of the pot) with just enough pressure to keep them from moving. The pots are on gravel saucers and then bagged. the bag is just sitting on them enclosing the saucer for moisture. They are across the room from the windows.

    So, comments please. I'm a big boy and can take constructive criticism that will help me be a better person.

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  8. #18
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    Bob--Looks good. Be sure to puff a little air in the bags every day or two and watch out for sliminess on your humidity trays. Otherwise, let them be as much as you can. I applaud your ingenuity with the rhizome clips. Will you be able to get them out if you need to--like when your plant recovers so well with all those eyes and needs to be repotted next year?

  9. #19
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    I also agree with Kassie & Kathy. And your set-up looks good. That first pic you posted looks exactly like some back bulbs a cattleya expert friend once gave me. He told me as long as the catt has some eyes or decent looking new leads on it, it will eventually sprout new roots from the new growth. This guy takes old back bulbs that have been cut off of a plant he has repotted and throws them bare in clay pots under his work bench. (It's very humid under there.) He ignores them and several weeks later, all kinds of new growth is spouting. I have one of his old, gross-looking back bulbs that now is a gorgeous plant with flowers.......there's usally hope with catts!

  10. #20
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    Quote Originally Posted by Kassie View Post
    Bob--Looks good. Be sure to puff a little air in the bags every day or two and watch out for sliminess on your humidity trays. Otherwise, let them be as much as you can. I applaud your ingenuity with the rhizome clips. Will you be able to get them out if you need to--like when your plant recovers so well with all those eyes and needs to be repotted next year?
    Thanks Cassie,
    I hadn't but I have puffed the bags now. I checked getting the plastic off before I used it and it comes off pretty easy.


    Quote Originally Posted by LeeOrchids View Post
    I also agree with Kassie & Kathy. And your set-up looks good. That first pic you posted looks exactly like some back bulbs a cattleya expert friend once gave me. He told me as long as the catt has some eyes or decent looking new leads on it, it will eventually sprout new roots from the new growth. This guy takes old back bulbs that have been cut off of a plant he has repotted and throws them bare in clay pots under his work bench. (It's very humid under there.) He ignores them and several weeks later, all kinds of new growth is spouting. I have one of his old, gross-looking back bulbs that now is a gorgeous plant with flowers.......there's usally hope with catts!
    Thanks for the comments Leslie!

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