This late-season pollinator powerhouse provides crucial nectar for migrating monarchs from August through October. Showy purple flowers with bright yellow centers reach 3-6 feet tall in impressive clumps.

Native range: Eastern North America from Manitoba to Maine

Size: 3-6 feet tall, 2-3 feet wide

Growing conditions: Full sun to part shade in moist, well-drained soils.

Bloom period: August through October

Wildlife value: Essential nectar source for monarchs, bees, and butterflies. Larval host for Pearl Crescent butterfly and 30+ moth species.

Garden benefits: Moderate deer resistance when established. Can be pruned in early summer to control height.