What is 18-18-18 Fertilizer Used For?
18-18-18 fertilizer is a balanced fertilizer with equal amounts of nitrogen, potassium, and phosphorus. This makes 18-18-18 fertilizer good for gardens, especially if you are growing vegetables. However, 18-18-18 fertilizer is a very poor choice for lawns, since it contains too much phosphorus and not enough nitrogen to produce healthy grass. If you can’t find …