A Guide to This Cold-Season Grass Winter Grass, commonly known as Poa annua, is a cool-season grass that thrives in the colder months of the year. This grass type is known for its bright green colour, resilience in low temperatures, and ability to establish itself quickly, even in challenging conditions. Below, we’ll explore the characteristics, growing habits, and best uses of Winter Grass. Appearance Winter Grass is characterised by its light to medium green leaves and fine texture. The leaves are soft and narrow, with a slightly rounded tip, creating a dense and lush ground cover. One of its most…