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Alpine Rockery

Celmisia spedenii

Speden's mountain daisy

An evergreen, mat-forming woody-based perennial alpine herb with tufts of narrow silvery-green leaves and upright stems of white daisy-like flowers with yellow centres appearing in the summer

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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

Loam

Sand

Moisture

Moist but well–drained

pH

Acid

	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

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: Asteraceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy, Matforming
Genus: Celmisia are evergreen mat- or rosette-forming perennials and sub-shrubs. They often have silky, silvery foliage and bear daisy-like flowers which are usually white with yellow centres
Name status: Correct
Plant range: New Zealand

How to grow

Cultivation

Thrives in cool, moist climates. Prefers slightly acid, humus-rich soil

Propagation

Propagate by seed sown in containers in an open frame as soon as ripe, or divide in spring

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Rock garden
Low Maintenance
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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