Cannabis plants grow quite alright under fluorescent lights. Grow lights are better of course. There are also fluorescent grow lights (available in different sp

Cannabis plants grow quite alright under fluorescent lights. Grow lights are better of course. There are also fluorescent grow lights (available in different spectra) but they are less cost effective than high pressure sodium or metal halides. Can't cite a source on this one, you're just going to have to take my word for it. Seen it work in practice :)