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Alpine RockeryHerbaceous Perennial

Gentiana 'Iona'PBR

gentian 'Iona'

A compact, mat-forming, semi-evergreen perennial with narrow, linear, grass-like green foliage. In autumn, trailing stems bear large, light blue trumpet-shaped flowers with white throats

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

North–facing or South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Gentianaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Matforming, 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 moist but well-drained, neutral to acid, humus-rich soil in partial shade

Propagation

Propagate by division of offsets in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • City and courtyard gardens
  • Rock garden
Pruning

No pruning required

Pests

May be susceptible to slugs, snails and aphids

Diseases

Root rot may occur

Get involved

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