Miracle-Gro Shake ‘n Feed takes the guesswork out of feeding! Miracle-Gro Shake ‘n Feed Plant Food is great for the busy gardener! One application will feed for your plants for up to 3 months and you will get great results without all the work What is Shake ‘n Feed? One application of Shake ‘n Feed plant food provides your plants with the nutrients they need for up to 3 months! And the shaker jug features a convenient applicator that disperses product evenly onto the soil at the recommended rate. Each 4.5 pound jug covers up to 135 square feet!