Gentian is a hardy plant, able to adapt to a variety of conditions; however, it grows best in well-drained, loamy soil that is humus-enriched and remains evenly moist. The plant tolerates a mildly acidic pH range. Water transplanted gentianplants regularly for the first growing season to promote a strong, deep root system. Geranium sanguineum growing instruction & requirement Geranium sanguineum info: climate, zone, growth speed, water, light, planting season & colors. Gentians are best planted in spring and autumn. As different species grow to different sizes, the exact timing and plant spacing must be tailored to each one. Plants in the Gentian species range from a small herb to a tree that grows in the rainforest. Growinggentian is pollinated by moths , bees , birds , bats and flies . Depending on variety, gentiansgrow from four to 12 inches tall and have wide, star-shaped blooms with a trumpet-like form. How and When to PlantGentian. Many gentians can be cultivated in gardens, both in tropical and temperate regions. In the temperate areas, gentians are mostly known as excellent rock garden plants. Planting and GrowingGentian beardtongue.Your Ultimate Guide to Plants. Identify grow and nurture the better way! product icon. 17,000 local species +400,000 global species studied. Like many alpine plants, gentiansgrow on mountainsides where they get lots of bright sunshine. At the same time, though, they’re kept cool by the refreshing mountain breeze. Gentians are a group of small-growing perennials, renowned both for their medicinal properties and cobalt blue flowers. The electric-blue trumpets of Asiatic gentians blast away the autumn gloom. Hazel Sillver looks at which of these eye-catching alpines to plant and how to grow them. Native to alpine regions, gentian also grows in temperate climates throughout the United States. Gentiana affinis "Ovata" is a California native plant, blooming in June and July. Planting Time. Gentian seeds grow best after a cold stratification treatment. Treated seeds can be started indoors in late winter, or the seeds can naturally stratified by sowing directly... It is perhaps the easiest gentian to grow as they are not particular about soil pH. The most floriferous plants are those grown in full sun and such specimens can be extremely showy.