Gentiana purpurea is a perennial growing to 0.6 m (2ft). It is hardy to zone (UK) 5. It is in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Bumblebees, butterflies.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid and neutral soils. It can grow in semi-shade (light woodland) or no shade.
In general, gentians require a moist well-drained soil in a sheltered position, a certain minimum of atmospheric humidity, high light intensity but a site where temperatures are not too high[239].
Gentiana purpurea is a PERENNIAL growing to 0.6 m (2ft). It is hardy to zone (UK) 5. It is in flower from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Bumblebees, butterflies.
