Miracle-Gro® Shake 'n Feed® all-purpose fertilizer is specially formulated to help grow stronger, vibrant, more productive plants (compared to unfed plants). Full of essential nutrients that help nourish the plant above and below ground. Microbes break down natural ingredients into nutrients that support root strength and development, increasing water efficiency. You can use Miracle-Gro® Shake 'n Feed® All-Purpose Fertilizer anywhere, in the ground and in containers, for up to 3 months of nutrition.