How many times should I fertilize my grass throughout the growing season to achieve that lush, verdant oasis in my backyard? Is there a specific regimen that can be followed, or does it vary based on the type of grass, the soil composition, and environmental influences? For instance, can factors such as climate, rainfall, and even the time of year play a pivotal role in determining the frequency of fertilization? Moreover, should I consider the nutritional requirements of my lawn, and how often should I be testing the soil to ensure it’s in optimal condition for healthy growth? Are there particular signs that indicate my grass may be in desperate need of nourishment, or is there a danger in over-fertilizing that I should be aware of? What are the best practices to follow in order to strike a perfect balance for an enviable lawn that thrives with vibrancy?