Pampas Grass

Question

Is it possible to change color of pampas grass

Answer 1

You cannot change the color of an existing plant, but you can obtain hybrid plants with pink coloring.
Be sure you know what you are getting into and that pampas grass is appropriate for your geographical area and climate, and for your site. Here's an article that may help:
https://www.gardeningknowhow.com/ornamental/foliage/pampas-grass/growing-pampas-grass.htm