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Alpine RockeryHerbaceous Perennial

Gentiana 'Strathmore'
  • RHS AGM

gentian 'Strathmore'

'Strathmore' is an herbaceous perennial with trailing stems to 15cm in length, bearing narrow leaves and solitary, terminal, sky-blue, funnel-shaped flowers up to 5cm in length, with whitish stripes outside

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Green
Autumn Blue White Green
Winter
Position
  • Partial shade
Aspect

West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Gentianaceae
Native to the UK
No
Foliage
Deciduous
Habit
Trailing
Genus

Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers

Name status

Accepted

How to grow

Cultivation

Grow in reliably moist but well-drained, humus-rich, acid or neutral soil. Site in sun only where summers are cool and damp, otherwise site in partial shade

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
  • Garden edging
Pruning

No pruning required

Pests

Slugs, snails, glasshouse red spider mite and aphids may be a problem

Diseases

Prone to a rust and soil fungal diseases

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