Answer: The fact of the matter is, cutting back ornamental grasses is the best treatment they can receive. It removes the spent foliage plus and insects they may harbor and makes way for fresh new foliage. Another benefit to the plant is that when old foliage is removed, spring growth will begin earlier. Old foliage left on the plant can delay the crown?s warming and subsequent growth by as much as 3 weeks. So, even though it looks unattractive for a few weeks, the plants will rejuvinate sooner and at a much faster rate.
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