How to prune big bluestem

Late winter to early spring (February–March), before new shoots appear. Cut all stems down to 4–6 inches above ground with shears or a hedgetrimmer. Bundle large clumps with twine first for easier handling. Avoid cutting back in autumn while stems still provide bird habitat.

Annually. Big Bluestem is a deciduous warm-season prairie grass that dies back fully each winter. Cut the entire clump back to 4–6 inches above the ground in late winter before new growth emerges in spring. The standing dried stems are valuable for wildlife and winter garden interest — leave them as long as possible.

Cut all stems down to 4–6 inches above ground with shears or a hedgetrimmer. Bundle large clumps with twine first for easier handling. Avoid cutting back in autumn while stems still provide bird habitat.