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Alpine RockeryHerbaceous Perennial

Gentiana 'Lucerna'

gentian 'Lucerna'

A compact, mat-forming, semi-evergreen perennial to around 8cm tall with narrow, linear, grass-like foliage. In autumn, trailing stems bear large, trumpet-shaped, intense blue flowers with white-streaked throats

Synonyms

Gentiana lucerna

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Ultimate height

Up to 10cm

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or 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)

Botanical details

Family: Gentianaceae
Native to GB / Ireland: 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
Rock garden
City and courtyard gardens
Gravel garden
Patio and container plants

Pruning

No pruning required

Pests

Slugs, snails and aphids may be seen

Diseases

Root rot may occur

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