Prices start at : 4.25 USD / Seeds / pkt
It was much more successful as a medicinal, entering the US Pharmacopoeia (1831-42). Native to the dry woodlands and prairies of North America, it prefers poor, dry soils, growing to 1m (3ft).
- Duration: Perennial
- When to Sow: Spring/Late Summer/Early Fall
- Ease of Germination: Moderate