Some great advice so far! With hps I was more worried about height, plant pot plus hood hanging plus distance away from plant won't leave me too much room. I'd love to do hps and I can get rid of the heat but just concerned about my lack of headroom. The partition suggestion is perfect!
I'm looking for advice for my space design. My area is below part of a split-entry stairwell (sketch + dimensions below). It's just kind of an odd space given the height and cascading ceiling, especially for hanging lights, etc. My pre-advice intent is to grow 2 plants and/or get 1 to .5...