During the growing season your ornamental grasses thrive and can grow quite large. The winter months are a perfect time to prune back ornamental grasses. Pruning ornamental grasses helps keep the plant size under control and keeps the tender foliage from being burned by the cold winter temperatures.
Typically a pair of sharp hand shears or gas powered hedge trimmers will be adequate. We'd recommend wearing gloves as some of the blades of grass can be quite sharp. Cut the ornamental grass at the crown of the plant. Ornamental grasses are hardy and will do fine being cut back so severe. Once you have completed the cutting, remove and dispose of the resulting debris. For aesthetic purposes, mulch around the base of the plant. (For small grasses like liriope, you can cut them back to the ground and completely cover them with a light coating of mulch or pine needles during the winter months if you want. Then when spring rolls around, simply remove the mulch to let the grass start to grow back.)
Usually, this is all the pruning that will be required. However if the grass starts to grow larger than you want simply prune it back to the size you desire.
Thanks,
The AA Tex Lawn Team
