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Are these orchids in need of physan?

This is a discussion on Are these orchids in need of physan? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Soak the pot and medium in water for about 10 minutes and then slip the ...

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  1. #11
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
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    Soak the pot and medium in water for about 10 minutes and then slip the pot off of the roots. If all is good, repot it like it was. I suspect you will find some rotted roots and will need to repot the orchid in a fresh mix though.

    cheers,
    BD

  2. #12
    Locriana's Avatar
    Locriana is offline Junior Member
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    Quote Originally Posted by Brutal_Dreamer View Post
    Soak the pot and medium in water for about 10 minutes and then slip the pot off of the roots. If all is good, repot it like it was. I suspect you will find some rotted roots and will need to repot the orchid in a fresh mix though.

    cheers,
    BD
    I did just as you said, BD, that's a good method! On the one with all the yellow leaves. The pot came off well. The roots looked great actually. There's more in that mix than bark, and it seems a bit layered, with some moss on top I guess to keep some moisture in. Anyway, I didn't dig around in the root zone because I don't have any proper potting medium to replace it until my order arrives. But the roots look good that I can see, and quite numerous. Nothing squishy. When the new potting medium comes, I think I will repot it, as the blooms are finished. Then I can examine the inside.

    On the oncidium, the one with the wrinkled older pbulbs, I didn't do the root exam. It has four working flower stalks, so I didn't want to disturb it, plus the couple brown leaves just fell off, and there are numerous healthy leaves on that plant! When it's done blooming ill repot it too. But for now, just a nice bath... It seemed happy with that.

    It's strange that all the orchids in bloom seemed to be dropping their flowers and leaves at the same time. Except for the Phalaenopsis. They are growing some nice huge leaves there, and the one that dropped its flowers was due. But a couple of those hybrids didn't keep their flowers very long. Especially the spidery looking Mtssa. Kauai's Choice 'Tropical Fragrance'. Those blooms didn't last more than a week or two.

    Just coincidence, or something else perhaps? The current PBs aren't shriveling, so could it be water? And I have fertilized.

    Many thanks for all of your advice!

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