Grindelia squarrosa - Curlycup gumweed

Curlycup gumweed (Grindelia squarrosa) is a biennial or short-lived perennial of dry, cold semi-arid North American prairies and disturbed ground, historically used to treat bronchial and skin complaints. The plant contains the carcinogen safrole and is not used as a food.

Inputs

• Hardiness zone 3¹
• Hardiness zone 4¹
• Hardiness zone 5¹
• Hardiness zone 6¹
• Hardiness zone 7¹
• Hardiness zone 8¹
• Hardiness zone 9¹
• Full sun¹
• Well drained soil¹
• Moist soil¹

Outputs

• Medicinal use¹
• Dye¹

Type

• Herb
• Biennial
• Perennial

Footnotes

1. Grindelia squarrosa | Plants for a Future ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹²