Our Muhly grass is about a year old and not doing particularly well. When is the best time to cut it back at how severally?

Question

It is planted in a mostly shaded area.

Answer 1

Two conditions pink muhly grass needs is lots of sun and fast-draining soil. Here is an article that discusses growing and pruning it. https://www.gardeningknowhow.com/ornamental/foliage/muhly-grass/growing-muhly-grass.htm