I have 30 year old pampas grass plants that are in shade and are not performing well. Should these just come out?
What Is the Life Span of Pampas Grass
Certified GKH Gardening Expert
Pampas grass prefers sun but will tolerate partial shade. I would move them to a new location if you would like to keep it growing.
Digging up Pampas grass is no easy task, but may be worth it to keep your showy plumes blooming.
I have listed a few links for you.