Crested Dog’s-tail (Cynosurus cristatus) is a perennial grass native to the UK, belonging to the Poaceae family. It is characterized by its distinctive flattened flower heads with bristly spikes resembling a dog’s tail.

Crested Dog’s-tail thrives in a variety of habitats, including grasslands, meadows, heathlands, and roadside verges. It prefers well-drained, fertile soils but can tolerate drought and nutrient-poor conditions, making it a versatile species in different environments.

Nutrient-wise, Crested Dog’s-tail is not particularly demanding, but it benefits from soils with moderate fertility and good drainage.

As a grass species, Crested Dog’s-tail doesn’t have specific predators targeting it. However, it provides habitat and food for various insects and small mammals.

Crested Dog’s-tail is a perennial plant, capable of regrowing from its base each year. It forms dense tussocks and produces flower spikes in late spring to early summer.

Culturally, Crested Dog’s-tail doesn’t hold significant historical or medicinal importance in the UK. However, it is valued for its role in pasture and hay meadows, providing forage for livestock and supporting biodiversity.

Interestingly, Crested Dog’s-tail is sometimes used in landscaping and revegetation projects due to its ability to stabilize soils and prevent erosion. Additionally, its dense growth habit can help suppress weed competition in grassland habitats.