Cattleya labiata under grow lights. Need shortening of "daylight" hours?
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Cattleya labiata under grow lights. Need shortening of "daylight" hours?
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  #1  
Old 01-15-2020, 10:23 PM
Jeff214 Jeff214 is offline
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Cattleya labiata under grow lights. Need shortening of &quot;daylight&quot; hours?
Default Cattleya labiata under grow lights. Need shortening of "daylight" hours?

Hi,

I was reading on Chadwick and sons orchids page (and posts here on this forum) that Cattleya labiata blooms in response to shortening of daylight... and therefore, tends to bloom in the fall (in the northern hemisphere).

I'm growing a few Cattleya labiata (along with C. luddemaniana and C. warscewiczii) indoors under a grow light. I can change the hours that they're on... but it's a bit of a hassle (buy a timer I guess). I was wondering if anyone's had any experience growing Cattleya labiata under grow lights - and if you've had success flowering without changes in "daylight" hours.

Thanks.
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Old 01-16-2020, 10:32 AM
Clawhammer Clawhammer is offline
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Cattleya labiata under grow lights. Need shortening of &quot;daylight&quot; hours?
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Quote:
Originally Posted by Jeff214 View Post
Hi,

I was reading on Chadwick and sons orchids page (and posts here on this forum) that Cattleya labiata blooms in response to shortening of daylight... and therefore, tends to bloom in the fall (in the northern hemisphere).

I'm growing a few Cattleya labiata (along with C. luddemaniana and C. warscewiczii) indoors under a grow light. I can change the hours that they're on... but it's a bit of a hassle (buy a timer I guess). I was wondering if anyone's had any experience growing Cattleya labiata under grow lights - and if you've had success flowering without changes in "daylight" hours.

Thanks.
I grow under lights and change the photoperiod monthly to match my current day length and utilize a timer.

IME most blooming is triggered more from seasonal temperature changes as these plants grow in tropical climates with less day length fluctuation that in many of our locales.
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Old 01-16-2020, 12:25 PM
MarinaDC MarinaDC is offline
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Cattleya labiata under grow lights. Need shortening of &quot;daylight&quot; hours? Female
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I have like 10 of them in diff stages of maturity from diff sources. All are in active growth right now, esp the younglings. Not the time to shorten the light cycle i also grow under lights in the basement

Last edited by MarinaDC; 01-16-2020 at 12:28 PM..
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Old 01-16-2020, 08:33 PM
Jeff214 Jeff214 is offline
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Cattleya labiata under grow lights. Need shortening of &quot;daylight&quot; hours?
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I was thinking of changing the light cycle now since I have one where a new growth is starting. I'm unsure what the optimal timing might be.

or I could follow the sun schedule outside.
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