Ornamental Bluesy Grass Lost Its Blueness ?

Question

Ornamental grass gluey colour when planted. Since winter turned green

Answer 1

This can happen for two main reasons. Lack of light, and simply aging. Older blades tend to turn less blue.

https://www.gardeningknowhow.com/ornamental/foliage/blue-fescue-grass/blue-fescue-ornamental-grass.htm