Overview
Gentianella uliginosa is a columnar upright annual biennial in the genus Gentianella, part of the Gentianaceae family, with deciduous foliage. Gentianella uliginosa grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, rock garden, wildflower meadow, wildlife gardens and flower borders and beds.
About
Gentianella uliginosa, known as dune gentian, is a columnar upright annual or biennial plant from the Gentianaceae family. It is deciduous and thrives in full sun, favouring east, south, or west-facing aspects in both exposed and sheltered locations. This cultivar prefers fertile, well-drained chalk, loam, or sandy soils with neutral to alkaline pH. Hardy to UK zone H7, it is suitable for cottage and informal gardens, rock gardens, wildflower meadows, wildlife gardens, and flower borders. Its season of interest spans spring and summer, and it is propagated by seed.
Growing conditions
Best soil and position for Gentianella
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Gentianella uliginosa size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Rock garden, Wildflower meadow, Wildlife gardens, Flower borders and beds
Care notes
Pruning and caring for Gentianella uliginosa
- Propagation
- Seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Gentianella uliginosa?
Gentianella uliginosa prefers full sun. It suits exposed and sheltered positions.
What soil does Gentianella uliginosa need?
Gentianella uliginosa is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays well-drained.
Is Gentianella uliginosa hardy in the UK?
Gentianella uliginosa has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Gentianella uliginosa?
Seed.
