No. The plants aren't capable of absorbing light from the undersides of the leaves. Now, directional and/or side lighting is EXTREMELY beneficial.

~Ethno

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This user does not in any way advocate the breaking of any law, as these laws are generally in place for a good reason. This user does, however, encourage others to question the conceptual framework of their reality, to search for objective truth, and to fight for freedom, both external and internal. Inherent in the right to life and the pursuit of happiness is the freedom to speak and believe as one pleases, and the freedom to use their minds and bodies as they see fit, free from external control, so long as they cause no harm to anyone else in the process.

"For it is not what goes into your mouth that will defile you; rather, it is what comes out of your mouth that defiles you." - Jesus of Nazareth

"An if it harm none, do what ye will" - Wiccan Rede

This user, like anything purported to be said or done by his person, is completely fictitious in nature. That being said, I reject your reality and substitute my own.