Overview
Gentiana andrewsii is a matforming, trailing herbaceous perennial in the genus Gentiana, part of the Gentianaceae family, with semi-evergreen, deciduous foliage. Gentiana andrewsii grows best in full sun and partial shade, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H5. Suggested uses include rock garden, container and border.
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. Grow it in full sun and partial shade and loam and sand soil. In UK gardens it is hardy in most of the UK (RHS H5). It works well for rock garden, container and border. It tolerates acid and neutral soils, moist but well-drained conditions and east-facing, south-facing and west-facing aspects. Plant out after last frost in fertile, well-drained soil.
Wikipedia contributors, CC BY-SA 4.0 — Gentiana andrewsii
Growing conditions
Best soil and position for Gentiana
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Gentiana andrewsii size, habit and characteristics
- Plant type
- Herbaceous Perennial, Alpine Rockery
- Habit
- Matforming, Trailing
- Foliage
- Semi-evergreen, Deciduous
- Suggested uses
- Rock garden, Container, Border
Care notes
Pruning and caring for Gentiana andrewsii
- Propagation
- Division in spring
- Pest resistance
- Slugs, Snails, Aphids, Red spider mite
- Disease resistance
- Rust, Stem rot
Frequently asked questions
Where is the best place to plant Gentiana andrewsii?
Gentiana andrewsii prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Gentiana andrewsii need?
Gentiana andrewsii grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
Is Gentiana andrewsii hardy in the UK?
Gentiana andrewsii has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Gentiana andrewsii?
Division in spring.
More in the Gentiana genus
- Gentiana acaulis 'Gedanensis'
- Gentiana affinis
- Gentiana albawhitish gentian
- Gentiana bavaricaBavarian gentian
- Gentiana calycosa
- Gentiana depressa
- Gentiana dinaricablue trumpet gentian
- Gentiana froelichii
