How to prune spider milkweed

Late autumn after frost, or early spring before new growth. Cut dead or finished stems to ground level with clean shears in autumn or spring. Deadhead individual flower clusters by snipping at the stem if seed control matters. The deep taproot means the plant recovers from cutting, but avoid disturbing the root zone.

Annually (cut-back); deadheading as needed. Spider Milkweed (antelope horns) is a native prairie perennial that grows from a deep taproot and generally does not need pruning. Remove dead or damaged stems. Deadhead spent flower heads if you want to limit seed spread. Cut back to the base in late autumn after frost. Do not over-prune — it re-sprouts slowly.

Cut dead or finished stems to ground level with clean shears in autumn or spring. Deadhead individual flower clusters by snipping at the stem if seed control matters. The deep taproot means the plant recovers from cutting, but avoid disturbing the root zone.