How to prune boulder blue fescue

Late winter to early spring (February–March); division every 3–5 years. Rake or hand-comb dead foliage from the center of each mound, then trim tips lightly with shears. Do not cut below green growth. Lift and divide congested or dying-center clumps in early spring, replanting fresh outer pieces.

Light annual tidy; division every 3–5 years. Boulder Blue Fescue requires only light annual maintenance. As a semi-evergreen cool-season grass, gently comb out dead foliage in late winter and shear lightly to remove tattered tips. Avoid hard cutbacks — Festuca glauca does not regenerate well from the crown. Plan to divide every 3–5 years when the center dies out.

Rake or hand-comb dead foliage from the center of each mound, then trim tips lightly with shears. Do not cut below green growth. Lift and divide congested or dying-center clumps in early spring, replanting fresh outer pieces.