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Suffering Odontoglossum

This is a discussion on Suffering Odontoglossum within the New Growers: Ask the Senior Members forums, part of the New Growers category; I got an Odm. Serendipity 'Yellow Mellow'AM/AOS last summer that hasn't been happy since it ...

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  1. #1
    Kassie's Avatar
    Kassie is offline Senior Member
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    Jul 2010

    Default Suffering Odontoglossum

    I got an Odm. Serendipity 'Yellow Mellow'AM/AOS last summer that hasn't been happy since it got here. When it arrived in the mail, it was a blooming plug that had been unceremoniously stuffed into a 4 inch pot of CHC mix. It fell out of the pot during shipment and bud blasted, so I took some of the media and stuck it into a 2 inch pot. It looked like this back then.

    Now it looks like this:

    The old growths are bowing over and this is the third time that it has put up a new growth (in the same spot) on the right, only to have it die off.

    I decided it's time to do something about it. I was surprised to discover live roots when I pulled it out this morning, although they haven't developed much beyond plug shape in 6 months.

    It is growing on a humidity tray in a south window with supplemental T8 fluorescents, 60-75 F, 50-60% humidity, watered every 7-10 days with misting in between. My plan was to repot with new coconut mix and beg it to like me. What can I do to make it happier?

  2. #2
    orchid-man's Avatar
    orchid-man is offline Not Normal
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    Oncidiums.Odonts and alliance
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    Mar 2006
    Auckland new zealand
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    This family love shade,air movement(if the foliage isn't moving then the air is not moving then there is not enough air),humidity and water and at least 40% air in the potting material.what they dont like is high temps,dryness,very bright light.

    I grow mine under 65-70% shade,50% shade is now where enough,open sided shade house with a humidity of >70% .
    They are currently being feed and watered 3 times per week and misting upto 4 times per day to keep the temp down and the humidity up(even on the days that I feed/water).Rule - :- if it will need water tomorrow, - water today.
    I used to grow in CHC but that went within 12 months,as it had broken down and the acidity level was as low as a ph3 and the salt level was off the scale.I now use plain bark.
    Number 2 for upto 3inch pots and number 3 for 4inch and above.

    From the photos that you have supplied .re-pot into a pot just large enough to squeeze all the bulbs into.Cut the dead roots off leaving just a few to help hold the plant.Pot into number 2 bark that has been whetted and dried out enough to flow freely,tie the plant with what ever to help keep it stable.Place plant in a shady place with a lot of air movement,high humidity,and warm (not higher than 25degree C)

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