I purchased two pampas grass plants from my local nursery back in June. They have not grown at all. They are still the same size and green
Perry County Illinois
In addition, you may want to call your local U of I Extension office in Pinckneyville, (618) 357-2126 to see about taking in a sample of your plants for their horticulture educator to examine. The educator's name is Richard Little, 618-687-1727 or firstname.lastname@example.org.