Pruning guide
How to prune fernleaf yarrow
More fernleaf yarrow care
Pruning fernleaf yarrow — FAQ
When should I prune fernleaf yarrow?
Post-first bloom shear in midsummer; final cut-back in late autumn or early spring. Use shears to cut stems back by half after the first bloom flush to encourage rebloom and prevent excessive self-seeding. In late autumn, cut all growth to 3–4 inches above the ground. Divide every 2–3 years in spring to keep clumps vigorous.
How often does fernleaf yarrow need pruning?
Shear once mid-season; full cut-back once annually; divide every 2–3 years. Fernleaf yarrow (Achillea filipendulina) produces tall, flat-topped golden flower heads that dry beautifully. Deadhead or shear after the first bloom to encourage a second flush. Cut the plant back by half to two-thirds after flowering ends in late summer. Tidy to a few inches above the ground in late autumn or early spring.
How do you prune fernleaf yarrow?
Use shears to cut stems back by half after the first bloom flush to encourage rebloom and prevent excessive self-seeding. In late autumn, cut all growth to 3–4 inches above the ground. Divide every 2–3 years in spring to keep clumps vigorous.