20 - 30 cm
steel - lilac
July - August
sun - partial shade
hlutlaust - basískt
Eurasia and N-America
Swertia is a genus in the gentian family, Gentianaceae. Most are alpine which often grow in wetlands and meadows so they grow best in moist soil.
Division in spring or fall.
Seed - sown in September - November.
Seed lightly covered and stored at 20°C (68°F) for 2 weeks and then moved outside until germination.
Is native to moist mountain meadows, often growing in lime-rich soil.