Final answer:
Turf grass resilience to drought often depends on the climate it is adapted to thrive in, with warm-season grasses usually being more drought-resistant than cool-season grasses due to their adaptation to hotter and drier environments.
Step-by-step explanation:
When speaking about turf grasses and their resilience to drought conditions, it is important to note that the adaptability of a grass species to drought often depends on the climate it is evolved to thrive in. Cool-season grasses and warm-season grasses have different characteristics that define their drought resistance. Cool-season grasses are typically found in temperate climates with significant temperature fluctuations, having warm summers and cold winters. These grasses have adapted to grow during the spring, summer, and fall when temperatures are sufficient for their growth, and they typically have deep root systems to withstand periods of low precipitation.
Conversely, warm-season grasses are adapted to hotter climates, and they tend to have mechanisms that help them survive in environments with prolonged heat and dry conditions. They are generally more drought-resistant than cool-season grasses due to these adaptations. However, exposure to colder temperatures than they are adapted for can reduce their ability to thrive, and therefore some warm-season grasses may not be suitable for regions with cold winters.