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This is a discussion on sunlight within the Oncidium/ Intergeneric Information forums, part of the Frequently Asked Questions category; can someone tell me if oncidium and miltonias orchid plants can take sunlight?...

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  1. #1
    orchids is offline Junior Member
    Join Date
    May 2009

    Red face sunlight

    can someone tell me if oncidium and miltonias orchid plants can take sunlight?

  2. #2
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
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    Bruce Brown
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    Welcome to OrchidTalk. Oncidiums and miltonias need filtered sunlight, not direct sunlight. They will appreciate bright shade.

    Here is a copy/ paste from our care guide here at RVO.

    Light Requirements:

    1500 - 2000 footcandles

    A bright kitchen window with no direct sun is perfect for these medium-light loving lants.


    70 - 90 degrees F. daytime, 60 - 65 degrees F. night.


    40 - 65 % relative humidity is ideal.


    In general, Oncidiums and the intergeneric hybrids produced with them form sprays sometimes over four feet long of tiny, often yellow or pink-tinted flowers that can make quite a show. Almost all are fragrant. They grow quickly, and it is not unusual for new pseudobulbs to stair-step their way out of a pot, throwing thin roots everywhere. These can be misted with fertilizer solution diluted from 1/3 to 1/2 strength each time the pot is watered. Oncidiinae appreciate good air movement. Plants that receive sufficient light to flower often exhibit scores of tiny brown spots on the leaves and their leaf-tips frequently turn yellow. The leaves themselves can be quite brittle and will split naturally during normal growth, so the foliage is usually not considered particularly attractive. Equitant oncidiums can be difficult, as they require a cool spell at the end of the growing season to initiate the next years flowering.


  3. #3
    smwboxer is offline Senior Member
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    Like Bruce said. Nice bright light with some moring sun is good. Hard thing to do in the northeast this year. It's been cloudy and rainy for most of the past two weeks.

  4. #4
    clintdawley's Avatar
    clintdawley is offline Wrapped in metal..wrapped in ivy...
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    Clint M. Dawley
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    You can grow the Brazilian miltonias in about 2500 FC. The cooler growing Miltoniopsis can be succesfully grown at 1000 FC

  5. #5
    Becky15349's Avatar
    Becky15349 is offline Senior Member
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    Rebecca Luce
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    Chicago, IL
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    Yep, well stated above!! If these plants get too much light, you may get some leaf spotting, but its not a huge deal. Good luck! and welcome to OT!

  6. #6
    Ron-NY is offline rothaholic
    Join Date
    Jan 2007
    Saratoga Co. New York


    Oncidium light level depends on the species some take very bright, others lower light

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