Dianella ensifolia is a perennial herbaceous plant species that belongs to the family Asphodelaceae. It is a clump-forming plant that can grow up to 2 feet (60 cm) tall and 1.5 feet (45 cm) wide. The plant has strap-like leaves that are about 1 inch (2.5 cm) wide and up to 2 feet (60 cm) long. The flowers are small, blue, and star-shaped, and they appear in clusters on tall stems in the spring and summer.