How to Prune Mexican feather grass?
Leaves can be cut back when they die off; rather than doing this in late autumn it's best to wait until early spring

Mexican feather grass · Stipa tenuissima
Also known as: Texas needle grass
Grow in medium to light, moderately fertile soil in full sun
Leaves can be cut back when they die off; rather than doing this in late autumn it's best to wait until early spring