Arnica parryi, commonly known as Parry’s arnica or nodding arnica, is a rhizomatous perennial herb that is native to montane meadows and subalpine zones in the western United States. It typically grows to heights between 10 and 60 centimeters and is characterized by its single unbranched stem. The inflorescence consists of one to several daisylike flower heads that nod when in bud and become erect upon blooming. Each head features a center packed with yellow disc florets surrounded by yellow ray florets, which are particularly showy in the spring season.

Parry’s arnica is valued for its bright yellow flowers and is often used in wildflower gardens, naturalized areas, and for restoration projects. It is also utilized for its purported medicinal properties, particularly in homeopathic remedies for bruising and muscle pain. This plant prefers full sun but can tolerate part shade, and it requires medium amounts of water and well-drained soil. While generally low-maintenance, it can be susceptible to fungal diseases if conditions are too wet. Gardeners should be aware that all parts of the plant are toxic if ingested and can cause skin irritation on contact.CC BY-SA 4.0