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Artificial Lights and Dendrobrium Winter Rest

This is a discussion on Artificial Lights and Dendrobrium Winter Rest within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; My dendrobriums are grown under artificial lights. Assuming they need a winter rest. should the ...

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  1. #1
    moniluhum is offline Senior Member
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    Default Artificial Lights and Dendrobrium Winter Rest

    My dendrobriums are grown under artificial lights. Assuming they need a winter rest. should the lights be turned off during this time?Name:  IMG_0643.jpg
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  2. #2
    gardenguysorchids's Avatar
    gardenguysorchids is offline Don't be afraid to color outside the lines
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    Your dendrobiums will need light. Winter rest means less or no water depending on the variety of Dendrobium you have.

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    catttan is offline Senior Member
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    I have no experience of growing orchids under lights, but most hard-cane dendrobiums do not need a winter rest.

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    Ron-NY is offline rothaholic
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    Many dendrobes that in nature get a winter rest also get higher light during that period. Some need cooler temps during rest.

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    Anteater is offline Senior Member
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    I grow mine under artificial lights also, and the only difference in light they get is whatever makes it through the windows. The artificial lights stay on the same schedule.

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    Winter rest for my Den kingianum's & Den speciosum means no fert , little water but keep light levels as high as possible.

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    I agree with Steve. "Winter rest" really means "no nitrogen" more than anything else. The "more light", "cooler temperatures", and "no water" go right along with that, but are really "side effects" ("co-effects"?):

    Essentially all of the food an epiphyte sees come about with rain cascading down through the forest canopy. Most "resters" live in areas where there are distinct seasonal changes, most often "wet" and "dry" (although is some instances, "dry" means nothing more than less than an inch a week). Cooler, drier air is often accompanied by less cloud cover, as well, so the obvious observances are in temperature, light level and rainfall, even though it's really the result of all of that, that matters.

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    moniluhum is offline Senior Member
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    I bright lights are one of the requirments, would it be a bad idea to move them to the east side window where they would get bright natural lights?

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