Question: In ZIP code 22304, when is it best to prune pampas grass? We have a plant which grows to 8 feet in height and now it is brown. I assume that it is best to cut it back, but am unsure as to the propoer time?
Answer: Ornamental grasses may be cut back in late fall or very early spring before they begin to grow. Some gardeners like to leave the seed heads and foliage for winter interest, others prefer to tidy the garden in fall.
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