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Light Spectrums' Effects on Plants

By drdawg
January 13, 2014

Light requirements vary from species to species and they even vary within the species themselves. Lumens measure light intensity whereas light spectrum measures wavelength.

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Name: Jonna
Mérida, Yucatán, México (Zone 13a)
Garden Procrastinator The WITWIT Badge Region: Mexico I was one of the first 300 contributors to the plant database! Ponds Tropicals
Enjoys or suffers hot summers Plumerias Plays in the sandbox Dog Lover Cat Lover
Jan 13, 2014 11:31 AM CST
I've always wondered what triggers some plants, such as plumeria, to drop leaves even when the temps don't change much and the hours of light are fairly close as well. Now I wonder if it isn't the change in wavelength, even here at 20° lat I assume that the light moves more towards the blue in the winter?

Thanks for explaining this so clearly.
A day without sunshine is like, you know, night.

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