white pampas grass
Planted last year, grew nicely, cut it back this spring and it still has no green. Is this normal and when will it start growing and turn green?
Pampas grass is generally hardy in zones 7 thru 11 though it can grow in zone 6.
We did have a below normal winter across much of the United States. This could account for your plants to either be slow to grow or possibly die off.
Have you had adequate rainfall this spring?
Wait and see is the best approach right now.
Here is an article about growing pampas grass.