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Paeonia officinalis 'Rubra Plena' (d) AGM

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© RHS

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Toxicity

All parts can cause stomach upset if ingested

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Dark Red in Summer

Foliage

Dark Green in

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

peony 'Rubra Plena'

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

'Rubra Plena' is a robust herbaceous perennial to 75cm in height, with dark green, divided leaves and fully double rich crimson 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

Can get leaf and bud eelworms and caterpillars

Diseases

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