How to prune sandpaper verbena

Deadhead throughout summer; cut to the ground in late autumn or early winter. Snip spent flower heads back to the nearest lateral shoot during the season. In late autumn, use shears or loppers to cut all stems down to 5–10 cm above ground, clearing dead material before winter.

Regular deadheading in season; one hard annual cut-back in autumn. Verbena rigida is a vigorous, spreading perennial that benefits from deadheading and periodic cut-back. Deadhead spent flower clusters to encourage continuous bloom. In late autumn, cut the entire plant to near ground level — it re-shoots readily from the base or from tuberous roots in spring, coming back stronger each year.

Snip spent flower heads back to the nearest lateral shoot during the season. In late autumn, use shears or loppers to cut all stems down to 5–10 cm above ground, clearing dead material before winter.