Pulsatilla zimmermannii

RHS Plant Profile
Zimmermann's pasqueflower

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Zimmermann's pasqueflower RHS
Zimmermann's pasqueflower RHS
Alpine Rockery

An herbaceous perennial up to 30cm high with green feathery leaves. In spring, pendulous, bell-shaped, dark violet-purple flowers, up to 3cm long, with yellow stamens and purple stigmas appear surounded by feathery bracts 5-10cm long; stems, leaves, bracts and the backs of the petals are covered in fine silvery hairs

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 or Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–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)
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
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
Unresolved

How to Grow

Cultivation

Plant when small in an alpine house, in a mix of equal parts peat-free, loam-based potting compost and grit, or outside in humus-rich, gritty, very well-drained soil in full sun, and leave undisturbed

Propagation

Propagate by seed, sown as soon as it is ripe in containers in an open frame, or by root cuttings in winter

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

No pruning required

Pests

Generally pest-free but young growth may be susceptible to slugs and snails

Diseases

Generally disease-free