Apply only once when transplanting outdoors and achieve greater yields and stronger plants. Just sprinkler 1 teaspoon of RootBlast into hole, gently work into soil, plant, and water. No mixing with water! Research has shown that RootBlast produces up to 300% greater yield than without any feeding. Use it along with Tomato Alive Plus and have even greater yields. It is not just for tomatoes, but other vegetables, flowers, and herbs. Your plants will produces more blossoms, set higher yields, and produce larger vegetables. Available in 12 oz, 2.5 lb, and 10 lb.