Through the Foundation for Food and Agriculture Research (FFAR) professors Ricardo Hernandez and Neil Mattson have been optimizing lighting of cannabinoid hemp in greenhouse supplemental and sole-source applications. Specific objectives include response of hemp to light quantity and quality (including diverse spectra and with emphasis on far-red and end of cycle UVB). The webinar will discuss project findings to date with the general finding that hemp is response to light quantity than light quality.