Cutting Edge Sonoma Gold Grow is an all-purpose organic fertilizer that provides your plants with organic-based Nitrogen. It is formulated for all on demand fertilizer needs during the crop cycle. Sonoma Gold Grow utilizes renewable sources of Nitrogen, derived from hydrolyzed keratins and seed proteins, that are readily available to the plant at any time. These natural sources make Sonoma Gold Grow highly effective! Quantity: 1 Gallon.