A lighting system for stimulating plant growth. The system includes three or more plants in a grow area, wherein the centers of least three of the three or more plants are not substantially coincident to a line located on any plane. The system also includes a first array of light fixtures and a second array of light fixtures. Each of the light fixtures in the first array of light fixtures and second array of light fixtures are positioned vertically such that at least a portion of each of the light fixtures is below the top of the three or more plants, are located such that each plant is exposed to the light from at least two of the light fixtures and are arranged in a flanking pattern around each plant. The system further includes a spacer, the spacer configured to maintain a desired distance between the first array of light fixtures and second array of light fixtures.
