How to prune sky rocket feather top

Late winter to early spring (February–March), before new growth emerges. Tie the clump and cut straight across at 3–4 inches with shears. Remove cut material to prevent disease and encourage strong new growth. Avoid autumn cutback — dormant foliage insulates the crown.

Annually. Sky Rocket Fountain Grass needs one annual cutback. As a warm-season Pennisetum, leave the clump standing through winter for visual interest and wildlife value, then cut it back to 3–4 inches in late winter before new growth pushes through. No mid-season pruning is necessary beyond removing any broken or diseased stems.

Tie the clump and cut straight across at 3–4 inches with shears. Remove cut material to prevent disease and encourage strong new growth. Avoid autumn cutback — dormant foliage insulates the crown.