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Herbaceous Perennial

Paeonia lactiflora 'Duchesse de Nemours'
  • RHS AGM

peony 'Duchesse de Nemours'

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

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or East–facing or South–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Paeoniaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
All parts can cause stomach upset if ingested. Wear gloves and wash hands after handling
Genus

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

Name status

Accepted

How to grow

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. See Peony cultivation: herbaceous for further information.

Propagation

Propagate by division in autumn or early spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Cut flowers
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

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

Pests

Can be affected by leaf and bud eelworm and soil-dwelling swift moth larvae

Diseases

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

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