Cut back the inflorescences in either fall or spring. If you like the look of the dry feathery flowers, leave them until spring. If not, cut them back to within a few inches (8 cm.) of the crown of the plant in fall.

Do you have to cut back zebra grass?

Zebra grass has a tendency to flop over as it matures, and it should be pruned annually to improve its looks. Pruning is a quick, simple process, but it must be done at the right time of year to allow the plant to recover and grow under the best possible conditions.

Do you cut back zebra grass winter?

Pruning Zebra Grass

The stalks can be left alone during the winter, as this provides root and crown protection, and it also looks unique. Other experts also recommend waiting until the late winter or early spring before young new shoots come out.