Lighting for Garden Towers

I’ve noticed a number of the members of this forum are using vertical columns to grow produce so my question is what’s your light source?

Just to clarify, I’m looking for something to use indoors. I’ve hung LED panels of off wooden posts but I don’t think it was ideal.

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For outdoor: The sun!! For indoor : LED

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Check out edit :slight_smile:

I think LEDs off your posts works pretty well. Would it be possible to rotate your tower slowly so that all your plants get equal LED time?