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Just for the cat luffers

This is a discussion on Just for the cat luffers within the Cattleyas, Vandas, Dendrobiums IN BLOOM forums, part of the Orchid Photography category; I go along with what you say Julie and I have to take into account ...

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  1. #11
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    I go along with what you say Julie and I have to take into account the very high UV levels that we have here in NZ.

  2. #12
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    Default Heat..not light..

    Julie kind of stubled on something here..

    Being a Southern grower..I've found that heat (not light) is a limiting factor in growing these things. Even direct morning sun for over a couple of hours will bake a lot of orchids here in North Texas in July/August.

    Thanks for sharing!

    Clint

  3. #13
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    Very pretty ! I have a light meter and 60% shade , they do well and bloom the ones with nodosa close up are in an area that recieves more sun . None are in full hot sun . Gin

  4. #14
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    Thanks for the good info everybody.
    I have a sunroom with south and west exposure, and it does get very hot in here (90-95) on hot summer days This is up-state NY, so I thought that I should not be limiting sun exposure at all to high sun plants like Cats, Vanda, Ascocentrum, but a lot of them get sunburn. So I do have shades in all, but one windows. The only plants that tolerate full/direct sun are my Dend. agregatum, Cymbidiums, Laelias and Rhyn. digbyana. At this point I have it figured out where everybody should be sitting and be comfortable. I just wanted to have the numerical values for sun levels to make sure I am doing it right. After reading your responses it might not be so important.

    Thank you again

    Ania

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    Thats great ,as shading is very dependant on the area that you live

  6. #16
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    Cymbidiums in full sun and 95 degrees???? Amazing - I have to grow mine outside in light morning sun and completely shaded in the afternoon...

  7. #17
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    Quote Originally Posted by Diane
    Cymbidiums in full sun and 95 degrees???? Amazing - I have to grow mine outside in light morning sun and completely shaded in the afternoon...
    whats wrong with that? If we look at Cymbidium madidum and canaliculatum we find a very high level of temperature tolerance.I will quote from "Native Orchids of Austrailia" by David L. Jones.

    Cymbidium canaliculatum, comes from the northern parts of Western Austrailia(Kimberleys).Northern Territories,and from NE Queensland to central New south Wales(Cape York to the Hunter River)
    Plants occur in varying degrees of exposure and are hardy even to blazing hot sun for most of the day.The familiar tufts of this orchid protrude from hollows in the trunk and branches of a wide range os eucalypts(we all now how open these trees are)

    Cymbidium madidum, comes from NE Queensland to NE New South Wales(near the top of Cape York to the Hastings River).
    This plant favours moister habitats such as rainforests,swamps and open forests in high rainfall areas.

    As can be seen from the above writtings most of the areas mentioned are within the tropics.In pats of this area Phali's con be found which are also native to the Austrailia

  8. #18
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    Default Diane..

    Diane is talking about the cool growing hybrids and species that would DEFINITELY scorch in Australia sun. I'm sure most of Diane's are Himalayan species/hybrids. I had one large standard that I tried to acclimate..it ended up toast!!

    I have Cym. Little Black Sambo (canaliculatum x maddidum) and I'm slowly acclimating it to full sun. Right now it gets about 4 hours of direct sunlight then dappled shade the rest of the day. The p-bulbs are starting to get a dark purple flush (max light?).

  9. #19
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    Regarding Cymbidiums in full sun, I only have 2 noid Cymbidiums given to me by a friend who also lives in this area. I have no other experience with cymbidiums, so this was my best guess on what conditions they needs. They stays in full sun during the cold months when I am able to keep the humidity at 60-70% with the humidifier going all the time and windows closed. In the summer I keep my cymbidiums outside under the deck where it is cool for most of the day and they any get the late afternoon, filtered light. I also have a small growing area in the basement for the few other cool growing plants I have.

    Here is the picture of my Cymb. Maybe someone can take a guess what it is??
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    Last edited by Ania; April 27th, 2006 at 09:24 PM.

  10. #20
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    Of course light intensity will vary during the same day, summer, winter , etc
    using a light meter will give you a estimate intensity, of that particular moment in time.
    Taking 2 or 3 reading at different times of the day,
    can help you determine if a certain spot is good space for a specific plant.

    Veronica

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