late May - June
well drained, moist, calcareous
acid - neutral - alkaline
Gentiana is a large genus of around 400 species in the family Gentianaceae. It's distribution is alpine and temperate regions in Europe, Asia and America. The signature feature of the genus are exceptionally blue, trumpet shaped flowers.
Division in spring.
Seed - sown in November - January.
Seed just covered and stored at 20°C (68°F) for 2-4 weeks and then stored outside until germination. Optimum germination temperature is 5-12°C. Germination could be slow and seed could germinate the following year.
Needs evenly moist, well drained soil. Prefers calcareous soil.