The Gentianopsis flowers are stunningly beautiful to my eye. They seem a little unreal to me. They are like an artist's version of what an ideal wildflower would look like.
They are a delicate, weak-growing biennial plant. Some seeds germinate in Fall, some in Spring. For the first year, the plants are small and barely seem to be growing. They need protection from Everything. I find that they need to be treated more like a bog plant than an alpine: lots of water, not too hot, part shade, regular feeding. They may like lime. In the second year, if they are happy, they will make a "big" rosette of leaves in Spring, and a flowering stem in late Summer. In Portland, they bloom in September and October. It may be best to grow them in the greenhouse, even though they are very hardy, since they seem to disappear over winter outdoors in my climate. They also seem to need hand pollination, if you want seed.
I don't know if they are producing seed, but if they are, I would be happy to share some.