Closed bottle gentian is a native North American perennial wildflower with rich blue, bottle-shaped flowers that stay closed. It grows best in moist to dry prairie-like soils with good light, and is more often seen in native plantings than in ordinary gardens.
Family
Gentianaceae (Gentian family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep soil evenly moist during the growing season, and avoid waterlogging.
Soil
Loamy soil, or sandy soil with good moisture retention.
Temperature
Hardy in cold winters; tolerates freezing temperatures as a dormant perennial.
How easy
Moderate
Native range
SC. Canada to N. & E. U.S.A., Colorado
Climate
temperate
About
Gentiana andrewsii, the bottle gentian, closed gentian, or closed bottle gentian, is an herbaceous species of flowering plant in the gentian family Gentianaceae. Gentiana andrewsii is native to northeastern North America, from the Dakotas to the East Coast and through eastern Canada.
It shares the common name "bottle gentian" with several other species.
Where it grows
Closed bottle gentian occurs in wet to dry-mesic prairies and prairie fens, primarily in loamy soils, but it can also be found in sandy areas, such as near Great Lakes shorelines.
Text excerpted from the Wikipedia article Gentiana andrewsii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.