Our Organic Mustard Cake fertilizer is a unique blend of organic materials including soybean meal, compost, peat moss, bat guano, bone meal, and humic acid. This all-natural fertilizer is ideal for promoting healthy plant growth and has been proven to be safe for use on edible plants.Our organic mustard cake fertilizer is a light, fluffy, and fragrant organic fertilizer that has been produced in small batches in our family farm for generations. This organic fertilizer is made from organic, raw materials, such as organic mustards and wild flowers, to provide your plants with a wide variety of nutrients and essential oils that help support the growth of your plants.