Overview
Gentiana 'Sir Rupert' is a matforming, trailing herbaceous perennial in the genus Gentiana, part of the Gentianaceae family, with semi-evergreen, deciduous foliage. Gentiana 'Sir Rupert' 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 'Sir Rupert' is a matforming, trailing herbaceous perennial suited to alpine rockeries. It thrives in fertile, moist but well-drained loam or sandy soils with an acid to neutral pH, preferring full sun to partial shade on east, south, or west-facing aspects. This semi-evergreen to deciduous cultivar is hardy to UK zone H5 and is best grown in rock gardens, containers, or borders. It flowers in summer and autumn and can be propagated by division in spring.
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 'Sir Rupert' 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 'Sir Rupert'
- 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 'Sir Rupert'?
Gentiana 'Sir Rupert' prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Gentiana 'Sir Rupert' need?
Gentiana 'Sir Rupert' grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
Is Gentiana 'Sir Rupert' hardy in the UK?
Gentiana 'Sir Rupert' 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 'Sir Rupert'?
Division in spring.
More in the Gentiana genus
- Gentiana acaulis 'Gedanensis'

- Gentiana affinis

- Gentiana albawhitish gentian

- Gentiana andrewsiibottle gentian

- Gentiana bavaricaBavarian gentian

- Gentiana calycosa
- Gentiana depressa

- Gentiana dinaricablue trumpet gentian
