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Darmera peltata AGM

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© RHS 1983

Characteristics

Plant type

Herbaceous Perennial or Bog

Habit

Clump-forming

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Pink in Spring

Foliage

Green in Summer
Red in Autumn

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

umbrella plant

Family

Saxifragaceae


Darmera is a vigorous perennial forming an extensive clump of long-stalked, large rounded leaves attached to the stalk in the middle, with rounded clusters of star-shaped white or pink flowers on tall stems, before the leaves

D. peltata is a rhizomatous herbaceous perennial to 1.5m in height, with glossy, rounded leaves to 45cm in width, turning red in autumn. Clusters of pale pink flowers arise on tall stems before the leaves

Other common names

  • giant cup
  • Indian rhubarb
  • umbrella plant

Synonym(s)

  • Darmera peltata 'Umbrella Plant'
  • Peltiphyllum peltatum

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grow in moist or boggy soils in full sun or partial shade.

Soil

  • Poorly-drained
  • Neutral, Acid or Alkaline
  • Loam or Clay

Propagation

Propagate by seed sown in containers in spring or autumn, or by division in spring.

Suggested planting locations and garden types

Cottage/Informal Garden or Flower borders and beds


How to care

Pruning

Cut back after flowering

Pests

Generally pest free

Diseases

Generally disease free