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Herbaceous Perennial

Bergenia 'Nachtkristall'

A compact, clump-forming evergreen perennial to around 30cm in height, forming a mound of large, oval-shaped, shiny bright green foliage. Clusters of soft pink flowers on short, red-tinted stems appear above the foliage from March to October. A good choice for borders, rock gardens as ground cover or in containers and pots on a balcony or patio

Synonyms

Bergenia Night Crystal

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

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

Exposure

Exposed or Sheltered

Drought resistance

Yes

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: Saxifragaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Bergenia are evergreen rhizomatous perennials with leathery, rounded leaves and dense, erect clusters of bell-shaped pink or white flowers in spring
Name status: Unresolved

How to grow

Cultivation

Grows well in most humus-rich soils but dislikes extremes of heat and drought. Frosts may damage early flowers. See Bergenia cultivation for further advice

Propagation

Propagate by division or root rhizomes sections in autumn or spring

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Wildlife gardens
Flower borders and beds
Ground cover
Underplanting of roses and shrubs

Pruning

No pruning required. Remove faded flower spikes

Pests

May be susceptible to vine weevil and slugs and snails

Diseases

May be susceptible to a leaf spot

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