Answer: Although this evergreen grass-like plant usually does not require pruning, it will after a serious setback from chilly weather. As long as the cold didn?t kill it ? which frequently happens in USDA Zones 7 and lower ? it will spring back to life after you take rather drastic measures: Hold your breath, gather your pruning shears, and cut back the entire plant leaving only four inches of foliage. Within a few weeks, you should see new growth.
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