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Alpine RockeryHerbaceous Perennial

Gentiana septemfida
  • RHS AGM

crested gentian

G. septemfida is a low-growing perennial to 20cm in height, with trailing stems clad in paired ovate leaves and ending in clusters of mid-blue, trumpet-shaped flowers 4cm in length in late summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Blue Green
Autumn Green
Winter
Position
  • Full sun
Aspect

North–facing or West–facing or South–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

Correct

Plant range
W & C Asia

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How to grow

Cultivation

Grow in moist but well-drained, humus-rich soil. Suitable for the front of borders. Performs best in sunny conditions

Propagation

Propagate by seed or division of offsets in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Rock garden
  • Garden edging
  • Ground cover
  • Flower borders and beds
Pruning

No pruning required

Pests

Prone to slugs, snails and aphids

Diseases

Prone to root rot

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