Pulsatilla halleri

RHS Plant Profile
Haller's pasqueflower

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Haller's pasqueflower Dorling Kindersley 2003

Synonyms

Anemone halleri

Award of Garden Merit
Alpine Rockery Herbaceous Perennial

An herbaceous perennial forming a clump to 20cm in height, with very hairy, deeply dissected leaves and erect, bell-shaped lavender-blue or violet-purple flowers up to 9cm across, followed by silky fruiting heads

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
Well–drained
pH
Acid or Neutral

Position

Full sun
Aspect
East–facing or South–facing
Exposure
Exposed
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
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Can cause mild stomach upset if ingested. Wear gloves and wash hands after handling
Genus
Pulsatilla are herbaceous perennials forming clumps of finely dissected leaves, with solitary, hairy bell-shaped or cup-shaped flowers followed by silky-plumed seed-heads
Name Status
Correct
Plant Range
Europe

How to Grow

Cultivation

Grow in fertile, very well-drained soil in full sun. It resents root disturbance and may be difficult to establish, so plant when small and leave undisturbed. Can also be grown in pots in an alpine house

Propagation

Propagate by seed sown in pots in an open frame as soon as seed is ripe. Propagate by taking root cuttings in winter

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

Leave faded flowers as seedheads are an attractive feature

Pests

Generally pest-free

Diseases

Generally disease-free