Gentiana 'Inverleith'

RHS Plant Profile
gentian 'Inverleith'

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gentian 'Inverleith' RHS
Alpine Rockery
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'Inverleith' is an herbaceous perennial with trailing stems to 20cm long, bearing narrow, light green leaves and solitary, terminal, rich blue, funnel-shaped flowers up to 6.5cm long, with darker stripes on the outside

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Gentianaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
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

  • Patio and container plants
  • Rock garden
  • Gravel garden
  • 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