MiracleGro Shake n Feed citrus, avocado, mango plant food contains added potassium, magnesium, sulfur and iron to help improve common nutrient deficiencies Microbes break down the compost into nutrients that support root strength and development which increases water efficiency and grows strong plants You can use it anywhere in ground and in containers for feeding up to 3 months It is guaranteed not to burn when used as directed Feed your plants with the help of MiracleGro Shake ‘n Feed citrus, avocado, mango plant food