How to prune scarlet bee balm

Deadhead throughout summer; cut back to ground in autumn or early spring. Pinch or cut spent flower heads back to the next lateral bud to encourage continued blooming. After the main season, cut all stems to a few inches above the ground. Thin clumps in spring by removing central congested growth to improve airflow.

Deadhead regularly in summer; annual autumn or spring cutback; divide every 2–3 years. Scarlet Bee Balm (Monarda didyma) is a vigorous perennial. Deadheading extends the flowering season significantly. Cut the whole plant back hard after flowering or in autumn to refresh it. Dividing congested clumps every 2–3 years is equally important — it reduces powdery mildew and keeps flowering strong.

Pinch or cut spent flower heads back to the next lateral bud to encourage continued blooming. After the main season, cut all stems to a few inches above the ground. Thin clumps in spring by removing central congested growth to improve airflow.