Pruning guide
How to prune prairie sky switch grass
More prairie sky switch grass care
Pruning prairie sky switch grass — FAQ
When should I prune prairie sky switch grass?
Late winter to early spring (February–March), after the last hard frosts. Cut the entire clump to 4–6 inches using loppers or shears. Switch grasses have tough, fibrous stems — use sharp, sturdy tools and wear gloves. Divide congested clumps every 4–5 years in spring to maintain vigour.
How often does prairie sky switch grass need pruning?
Annually. Prairie Sky switch grass (Panicum virgatum 'Prairie Sky') is a warm-season upright grass with blue-green foliage and airy seed heads. Cut it back hard to 4–6 inches in late winter or early spring. Do not cut in autumn — the foliage and seed heads provide wildlife value and winter structure through to late winter.
How do you prune prairie sky switch grass?
Cut the entire clump to 4–6 inches using loppers or shears. Switch grasses have tough, fibrous stems — use sharp, sturdy tools and wear gloves. Divide congested clumps every 4–5 years in spring to maintain vigour.