Description
Upright spikes of clear blue flowers bloom through summer, attracting bees and butterflies. A tough native perennial with a clean, vertical habit—perfect for sunny borders and naturalized plantings.
Sun: Full Sun
Height: 2–3 ft
Spread: 1–2 ft
Zone: 3–8
Very hardy and reliable in Northern Michigan.
Thrives in sunny, well-drained soils and tolerates periods of dryness once established.
Cut back after flowering to encourage a tidier plant and possible rebloom.
