Miscanthus will stay erect through most of the winter, but the foliage becomes dry and damaged toward the end of the season. Foliage is attractive and affords some protection for the crown, but should be cut back at the end of winter or in very early spring.

Should you cut back miscanthus?

Q How do I prune deciduous grasses such as miscanthus? A In late winter (January or February) cut all the old stems back to ground level. … Alternatively you can use hedge trimmers and slice the stems into short sections that you then leave on the ground as a mulch.

Should you cut grasses back?

All forms of deciduous grass are best cut back in the spring, about March depending on the weather; ideally just as the new shoots are coming through. Just like lawns cutting new growths along with the old will not harm the plant.