In nature, grows on sloping, sandy ground and is rarely found where soil is humusy. In fact, these days it is rarely found. By cultivating it, we can assure the continuation of this valuable species. The Eclectics were extremely fond of this hardy sub-shrub with its knotty wooden roots. They used it as an alterative to treat many chronic diseases, especially recurring infections of the throat and tonsils, what they termed malignant sore throat.
Large doses can act as an intense purgative .
Hard leguminous seeds may be rubbed between pieces of sandpaper to score the seed coat before planting, as the seedcoat is water impervious. Sow seeds in very sandy soil, either direct-seeded in the spring or started in individual pots in the greenhouse. They are pretty dependable germinators. Sowing in flats not recommended, as the seedlings are notoriously sensitive to bare-rooting. Plant in sloping, sandy, dryish soil in full sun or partial shade.