Skip to site navigation

Paeonia lactiflora 'Duchesse de Nemours' AGM

Home  |  Plants > Plant Selector > Paeonia lactiflora 'Duchesse de Nemours' AGM

© RHS 1989

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Fragrance

Flower

Toxicity

All parts can cause stomach upset if ingested

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

White in Summer

Foliage

Dark Green in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

peony 'Duchesse de Nemours'

Family

Paeoniaceae


Paeonia may be herbaceous perennials or deciduous sub-shrubs with large, divided leaves and showy large bowl-shaped flowers, usually in early summer

'Duchesse de Nemours' is an herbaceous perennial to 80cm, with dark green, divided foliage and fragrant, fully double, white flowers 15-20cm across

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, East-facing or West-facing
  • Sheltered

Cultivation

Best in a deep, fertile, humus-rich soil that is moist but well-drained in a sheltered position in full sun or partial shade. May need support

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Clay, Loam, Chalk or Sand

Propagation

Propagate by division in autumn or early spring

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Underplanting of Roses and Shrubs or Cut Flowers


How to care

Pruning

Remove dead flowers as they fade, then cut back plant after the foliage has died down in autumn

Pests

May be attacked by eelworms and swift moth

Diseases

May be subject to a virus, honey fungus and peony wilt