Blue fescue

Question

When is the best time to plant blue fescue ornamental grass? March?

Answer 1

Most plantings is best done after the danger of frost has passed.

For your zone this is sometime around April 15th. This is a guideline and you should consider the weather trends in your garden.

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