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Sick Orchid Plant

This is a discussion on Sick Orchid Plant within the General Orchid Culture forums, part of the Orchid Culture category; Hi. I've attached two photos... I put two (or more) supermarket variety orchids in a ...

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  1. #1
    Astorite is offline Junior Member
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    Default Sick Orchid Plant

    Hi. I've attached two photos... I put two (or more) supermarket variety orchids in a big pot last summer, as they were getting too big for the hanging baskets they were in. I keep my orchids on a screen enclosed pool deck. The potted orchids were doing great - you'll see blooms in the October photo, and the tallest plant bloomed beautifully for me in November. When our cold weather was forecasted a couple of weeks ago (we live in central Florida), I brought all of the orchids onto the back porch. The porch is not heated, but it would provide more protection than the screen deck. I just moved the plants back to the pool deck, as our weather has warmed up. In the January photo you'll see the leaves turning yellow with black spots. The leaves are falling off, starting at the bottom and moving to the top.

    Any ideas what caused this? The cold? Too much/too little water while on the porch for the last 3 weeks? Any chance I can save this plant? My other orchids look OK.

    Thanks in advance for your advice!
    Attached Images Attached Images   

  2. #2
    smwboxer is offline Senior Member
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    My guess is it could be overpotted. If the pot is too big the medium will not dry out fast enought and the roots end up rotting. In the cool weather the plant also does not drink much so shoud be kept drier.

  3. #3
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    jeffrey6115 is offline Senior Member
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    I'd say it was temperature. If mine get too cold for their liking they drop all their leaves. Not to worry, new leads should grow. The bare canes will remain that way. They may not be pretty but don't remove them. They will rebloom as well.

  4. #4
    Astorite is offline Junior Member
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    Thanks for the replies. I suspect it is a combination of cold and too much water. I was out of town for a couple of weeks, and my neighbors were keeping an eye on things for me... most of my other houseplants were much wetter than normal when I got back... Hopefully he'll perk up now that it's warmed up a bit and he's back in his normal spot on the screen porch. Thanks!

  5. #5
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    Brutal_Dreamer is offline Dreaming with my eyes open...
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    Good luck with it, Kelly. I would consider putting it in a smaller pot so that it will dry out faster.

    Cheers,
    BD

  6. #6
    PhilsDC is offline Senior Member
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    This is one of the problems for hybrids, they need to meet the standard growing procedures like putting the correct amount of fertilizers and water and the planting media.
    Your plant seems so dry...
    You needed to repot with a media that needs constant moisture.
    Because your place is temperate, water should be often to avoid wet feet and also they got chilled.
    It would be enough to allow root breathed air but don't let them dry without attaching to a moist media. Don't spoil to much water.

    Thanks,

    DC

  7. #7
    geoblue is offline Junior Member
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    Those are Dendrobiums and they always like a small pot.... Typically the pot is too small to hold the plant upright..... so we put the pot into a boger one- just to hold it. It was likely way too clod outside for them also. Den's don't relaly like being below 45F.... I have been told many times they don't like anything below 55... but I have some really old ones that have been ignored and left out- with little affect. If its going below 46, think about bringing them in the house for a day or two.
    Last winter Orlando had a severe freeze one night... I fille dmy house with exotics andorchids..... they did fine and thanked me for it later.
    This winter is turning out to be much worse.....
    THe block spots on the dying leaves are just bacterial infections...it happens when the leaves start to die. It may have been too much water, which would explaint he sudden leaf yellowing and drop. Do not cut any canes off unless they shrivel completely and flop over. Also lookout for any soft spots which smell bad. THat would be a bacterial infection also... localized infectiosn can be removed by cutting them off or removing the infected leaf or pseudo bulb. follow this up by treating the area with rubbing alcohol and then dusting any cut surface with ground cinnamon. Orchids can stand the alcohol and cinnamon is a natural antifungal and drying agent. Try going to one f your local orchid societies... they have lots of experienced people who love to talk about orchids.

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