The threeawn genus encompasses hardy grasses well-suited to various conditions. Basic care needs comprise sufficient sunlight, a well-draining or sandy soil, and moderate watering, favoring drier conditions over wet ones. Challenges include an intolerance to overly moist soil that can encourage root rot, while pests and diseases are relatively minimal. Seasonally, threeawn may require additional water during hot, dry summers but will otherwise endure seasonal changes with ease. Its easy-going nature allows threeawn to thrive with minimal intervention, making it a versatile addition to any garden.