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Help! Yellow Fungus!!!

This is a discussion on Help! Yellow Fungus!!! within the New Growers: Ask the Senior Members forums, part of the New Growers category; Hello everyone, I am completely new to growing orchids. I have three pots that i've ...

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  1. #1
    lmcloninger is offline Junior Member
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    Unhappy Help! Yellow Fungus!!!

    Hello everyone,

    I am completely new to growing orchids. I have three pots that i've been keeping alive for about 4 months. In that time they lost all of their blooms due to under watering, for fear of over watering. They were looking really healthy, for the last couple of months except now, one plant has yellow fungus with bulb like appendages the size of small lemons. How do I get rid of this??? The only thing I can think of is that I am in Southern California, and it has been in the 80's low 90's and all of a sudden in the last week we went into the 60's. They are indoors, but my indoor temperature was ranging at about 78, and is now ranging at about 68 - 72. Advice???

  2. #2
    Kmac's Avatar
    Kmac is offline Senior Member
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    You are saying that the fungus has lemon-sized growths? Wow.
    Can you post a picture?

    I have has small fungus occurrences, and treated them with a antifungal.

    What kind of orchid is it, and does it get much air movement?

    Kathi

  3. #3
    cindiras's Avatar
    cindiras is offline Senior Member
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    Time to spray an anti-fungal. I have used Bayers Three in One for roses, but you may have other anti-fungal treatments available in your area. Plus it might be time to repot. The fungus could indicate some rotting of the planting medium going on.

  4. #4
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
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    Wow, that sounds terrible. Can you share a photo? Time to repot and change the medium that orchid is growing in to a fresh mix. Post up a photo so we can offer suggestions.

    Welcome.

    Cheers,
    BD

  5. #5
    pavel's Avatar
    pavel is offline change is the only constant
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    The question is whether the fungus is growing from the plant or from the media. In all likelihood, it is probably coming from the media. If so, then there isn't need for fungicide or to panic. What does need to be done (again assuming this fungus is growing from the media) is to repot in fresh media. If on the other hand, the fungus is growing out of the orchid, then try a fungicide.

    I too would like to see a pic if you could.

  6. #6
    Cjcorner's Avatar
    Cjcorner is offline Senior Member
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    I had a yellow fungus awhile back in the pot of one of my oncidiums. Mine didnt' get "growths" but looked like round balls and when I repotted it was throughout the potting material. I'd suggest you repot and soak your plant in an antifungal before repotting. I had to throw the pot and clay dish in the trash. And the plant still isn't doing well a year later.

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