NitroGreen is a 100% plant-based organic fertilizer that can be used on all plants and vegetables. It does not contain any harsh ingredients that will burn the plants. 100% water soluble and dissolves completely into a solution to ensure immediate delivery of nutrients. The fertilizer has the highest nitrogen available in the industry which is essential for plant growth and establishment. Normally applied as a water solution but can be applied dry. 14 oz. OMRI listed.