FoxFarm Happy Frog Tomato & Vegetable Fertilizer is specifically formulated for use on all veggies, tomato varieties, soft fruits, and berries. The ratios between N, P, and K are designed for vigorous feeders and support abundant fruit development. It also contains calcium, which helps prevent blossom end rot. Mycorrhizae and bacteria are included to help increase root efficiency and convert nutrients into a form plants can use. OMRI Listed and CDFA Registered for Organic Gardening.