G. flavum is an erect, rosette-forming, hairy, short-lived perennial, often grown as a biennial, with pinnate, deeply-divided, rought, blue- to grey-green leaves and branched stems bearing golden yellow or orange flowers in summer.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils.
Roots are toxic if ingested. Prolonged contact may cause skin irritation. If using as an external herbal application, use with caution and only on unbroken skin.
