Gentiana septemfida

RHS Plant Profile
crested gentian

Save a plant

Where do you want to save Gentiana septemfida?

Plants I own
Wishlist
Go to My Plants
crested gentian RHS 2002
Award of Garden Merit
Alpine Rockery Herbaceous Perennial
Buy this from Plant Nurseries
5 Suppliers

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

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun
Aspect
North–facing or West–facing or South–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
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

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

May be susceptible to slugs, snails and aphids

Diseases

Prone to root rot