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Rot: Is it too much water or too little light

This is a discussion on Rot: Is it too much water or too little light within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Are some plants more susceptible to rot? I got this Blc Vida Lee over the ...

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  1. #1
    Dallasgarden's Avatar
    Dallasgarden is offline Senior Member
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    Default Rot: Is it too much water or too little light

    Are some plants more susceptible to rot? I got this Blc Vida Lee over the holiday last year. The plant's roots were bound into wood chips so I kept them but repotted the whole base into lava rock and clay pot with lots of holes. I put it under my grow lights indoors and sure enough most of the new growth started rotting! Well, this spring I moved it to a morning sun position outside in Dallas and it got some great new growth. (Only about 3 strong hours of morning sun followed by speckled light) If you've been reading the news, for the last four weeks Dallas is getting washed off the map. Three days ago I noticed two spots of rot. See picture. I cut those off and I immediately moved it indoors under very strong light. Today, rot is "popping up" all over the place! It's indoors under light because tonight we're going to have, guess what? More rain. My question is this fleshy plant more prone to rot because of too much water or not enough light? Should I cut off ALL the brown marks? Weep. What if I mount it on some cork so it stays VERY dry? Anyone have experience with this plant?
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    Lizgeo is offline Senior Member
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    I have one just finished blooming for me here in Houston. I haven't had any rot problem on this one, but on C. maxima. My Blc Vida Lee is growing outside in 10" clay pot with half coco chips, half S/H clay balls. I mixed in clay balls as it's so hot here and I water them 2-3 times a week, with clay balls, it dries faster.

  3. #3
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    Besides the fact that I could hurt you out of jealousy...cause I know Houston is a lot more humid than Dallas, I hear you saying that this plant does love it on the dry side. How much and how bright of light do you give it?

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    I grow it outside on a patio/shelf. The shelf is mostly in tree shade in the morning, but it gets direct/semi-direct sun maybe for 1-3PM. If I am home or remember, I drape a sheer curtain for the shelf. I do have sunburn spots on it. I also have a fan blowing through the shelf 24 hours a day for the entire summer.

    Like I said, I do have rot on my C. maxima, which I am trying very hard to avoid too.

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    When we had all that rain, water pooled and stayed around the base for a couple of days...all I can think is that it was too wet for too long...maybe the light is good, but mounting it would be the best option...

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    In general, rot starts when things stay too wet for too long. This can be due to the presence of too much water not draining away, temperature being too low causing higher humidity and slowing down the ability to dry, not enough air circulation, broken down medium, and any combination of these things. Of course, different plants may like different conditions.

    Susan

  7. #7
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    There you go Chris! It got too wet and cool and didn't have any air movement, so drag out the hair dryer, sounds like it could use a touch-up! (LOL!) Might be a good idea to put a fan on it inside.

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    You know, I love my orchids. But when I have to keep a fan running on it at all times...it starts sounding like co-dependence!

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    So, would you cut all of this off and dust edges with cinnamon or treat with Physon? Say goodbye to this summer's growth!
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  10. #10
    Lizgeo is offline Senior Member
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    I would cut and dust them off with cinnamon. Good luck!

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