Espoma Rose-Tone Organic Dry Plant Food, 8 lb. is an all-natural fertilizer specially formulated for roses and annual flowers. It features Bio Tone, a unique blend of beneficial soil microbes that helps promote healthy, vibrant blooms. This organic plant food provides a safe and long-lasting supply of nutrients throughout the entire growing season, ensuring your plants thrive naturally. organic by the USDA, it comes in a convenient 8 lb. pour bag with a balanced 4-3-2 nutrient formulation that supports strong root development and beautiful flower growth. Model Number: