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Dryas octopetala AGM

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© RHS 2003

Characteristics

Plant type

Alpine/Rockery

Habit

Mat forming

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

White in Spring and Summer

Foliage

Green in Autumn, Spring, Summer and Winter

Fruit

Grey/Silver in Autumn and Summer

Size

Ultimate height

Up to 10 cm

Ultimate spread

0.5-1 metres

Time to ultimate height

5-10 years


Preferred common name

mountain avens

Family

Rosaceae


Dryas are prostrate evergreen shrubs with small, leathery dark green leaves and solitary, usually 8-petalled flowers followed by attractive fluffy seed-heads

D. octopetala forms a wide mat to 10cm in height, of small, shiny, oak-like leaves with white undersides. Flowers opening in late spring and early summer are 4cm in width, with about eight oblong petals, followed by silky fruiting heads

Other common names

  • creeping oak
  • white-flowered dryad

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Easily cultivated carpeting plant in sun or partial shade with a well-drained soil. Useful for rock garden, wall or border edge

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Loam, Chalk or Sand

Propagation

Propagate by seed or softwood cuttings

Suggested planting locations and garden types

Gravel Garden, Ground Cover, Rock Garden, Wall-side Borders or Garden Edging


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

Generally disease free