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Ambient light?

This is a discussion on Ambient light? within the General Orchid Culture forums, part of the Orchid Culture category; That actually made me giggle sand_tiger86....

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  1. #21
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    Thumbs up

    That actually made me giggle sand_tiger86.

  2. #22
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    The "leaf color" argument aggravates me, too. Some plants just don't have the "proper" yellowish-green color no matter how much light you give them. And that doesn't mean that the light is insufficient - it just means that the plant has darker foliage. I swear I have a certain Catt. that would stay olive green if I bathed it in lava. I have a couple of others that do have that light green tint, and they're all grown in the same environment.

  3. #23
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    Quote Originally Posted by sand_tiger86 View Post
    The "leaf color" argument aggravates me, too. Some plants just don't have the "proper" yellowish-green color no matter how much light you give them. And that doesn't mean that the light is insufficient - it just means that the plant has darker foliage. I swear I have a certain Catt. that would stay olive green if I bathed it in lava. I have a couple of others that do have that light green tint, and they're all grown in the same environment.
    I absolutely second that Sand Tiger

  4. #24
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    I'm no pro at this orchid stuff but if I have a catt that's turned purple just after I brought it I'd believe that I was giving it too much sun. Now I find out that that is sometime normal, in fact it shows that it's happy! Same goes with the green tones. How the heck is a newbie not to spaz out and think: "I'm killing my plant", with all this mixed info!! I have resolved to go with my OWN rule of thumb...If it dun't croak in a month in the spot I assign it at my house, it probably won't croak because of me.

  5. #25
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    I have a den that I bought with darkish purple leaves and since getting it home and all comfy (I believe), it had turned back green ....so what do I know . It seems happy , the roots look good and the new growth is holding up even looks like it might be working on a spike ..... so that's all that matters to me . I've learned , like Tamara said , to find my own way somehow even in my short time at doing this . Besides if I run into trouble you guys are here right

  6. #26
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    Purple tint is worrisome for most people, because it's an indication that the light is just short of burning the plant. But for me, as long it doesn't ever get to that point, I love a little purple/red tint because it lets me know for certain that the plant is clearly getting enough light. It's not mandatory at all to have a purple tint, but I find with my plants, it's easier to air on the side of perhaps a bit too much light than risk having too little without ever really knowing. Plus lots of orchids with red, purple or other dark colored flowers tend be more prone to having that purple pigmentation all throughout the plant and it really doesn't take overbearing light to bring it out.

  7. #27
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    Here's a question: How long does it take to acclimate an orchid to more light? Actually, 2 questions; Does each genus have their own adjustment time?

  8. #28
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    There are a lot of factors involved in light acclimation - air movement, light intensity, humidity etc. I'm still learning about light acclimation myself, but I HAVE found that I can pretty much shove my plants outside as long I have a fan blowing on them. Remember, it's not the light that harms them - it's the heat that goes along with it. If you can have enough air movement to prevent heat build-up, acclimation is hardly even necessary. It's stagnant air and the heat from the light that damages plants. As far as each genus having its own adjustment time, I'd take a stab in the dark at saying no. Every genus just has it's own light preferences, but hey can't say "Oh, I'm an Oncidium so I'll need (X) amount of time to adjust to my preferences." I could be wrong on that, but it just doesn't seem very likely. As I said, it's the other factors that dictate how long, how much and if at all the plant can adjust to certain light intensities.

  9. #29
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    i truly hope that is not a scented candle. now, about the light, there can be many conditions that affect how much light they are getting, even though not direct sun. moisture in the air, nearness to the coast, bounce light reflecting off a nearby building, trees, etc. i am in sunny southern california, and my balcony is facing south, at the southwest corner of the building. i am shaded by the balcony above in the summer, but the angle of the sun in winter puts me in full sun. i have added trellis, and some shade cloth to reduce the amount of sun. even vandas fry here eventually. i think you are fine as long as they are still getting bright light in the morning, as i get morning sun, and then afternoon shade (thanks to my shadecloth) but still very bright light all day. i have oncidiums, reed-stem epidendrums, and a mokara that bloom a lot for me. your light seems to be oppsosite of mine, you get bright lightin the morning, and more sun in the afternoon, so if the plants are not burning, i think you're going to be ok. and you can also get some pot-hangers and hang the orchids in the trees you mentioned without going to the time and expense of mounting them.

  10. #30
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    Another question regarding lighting: I've read that a few hours of strong, strong light cannot supplement the amount of time an orchid needs under a certain amount of light. It makes sense in one way, but really it's a bit impossible if you grow in a home/on a balcony, as the window/balcony only receive so many hours of sunlight before the sun passes that particular spot. So, is this a falacy? If my plants are receiving very, very strong light (me taking the precautions to prevent them from burning of course) for 4 hours of the day, but just mediocre light the rest of the day, do the hours of strong light make a difference? (I grow I western exposures so the sun is only RIGHT there for about 4-5 hours a day.)

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