Pampas grass (Cortaderia selloana) is an ornamental grass that grows best in USDA garden zones 8 to 11. There are some varieties that will also survive with extra care in zones 6 and 7. It is often chosen because it is a tall plant that is tolerant of a wide variety of environmental conditions and produces decorative plumes in shades of white and pink. Pampas grass will have healthier foliage and a better appearance if it is cut back yearly.
Inspect the area around the base of the pampas grass. Remove any rocks, sticks and other debris that could get caught in the shears.
Use the hedge shears to cut off all the leaves. Trim to a level that is a couple of inches above the ground.
Fertilize after pruning to help the plant create new leaves in the spring. The University of Georgia Extension suggests using one with a 10-10-10 formula, which will supply all three major plant nutrients needed.