Wild Quinine (Parthenium integrifolium)

Wild Quinine

Parthenium integrifolium bears lustrous foliage and long‑lasting white flowers throughout the season, even in heat and drought. Native to moist prairies, low meadows, and open woods from Massachusetts and Minnesota south to Georgia and Arkansas.

Key Features

• Long‑blooming white flowers; heat and drought tolerant.
• Good substitute for Achillea in moist soils.
• Charcoal‑gray seed heads for arrangements.

Growing Conditions

Adaptable; thrives in moist, deep, rich soil in full sun or light shade.

Care & Propagation

Sow seeds in winter or spring after 4–6 weeks of cold, moist stratification. Seedlings develop slowly first year; bloom in 2–3 years. Also from stem cuttings in early June. No serious problems.

Landscape Uses

Beds, borders, cut flowers, dried flowers, meadow garden; cottage garden style.

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