This water-soluble 18-18-21 fertilizer from Miracle-Gro is specially formulated for garden tomatoes, fruits, and vegetables. It contains essential nutrients to enhance their growth and provide greater yields. For optimal results, feed your plants with this fertilizer every 1 to 2 weeks, and it will start working instantly! Suitable for plants in gardens and containers. This fertilizer pot is available in a 500 g size.