When to trim Pampas Grass in Southern Utah?
We live in the far Southwestern Utah. What month is the best time to trim back Pampas grass?
I prefer to prune just before the new growth comes in for the year. Here is an article that will help you further: https://www.gardeningknowhow.com/ornamental/foliage/pampas-grass/pruning-pampas-grass.htm