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Cardamine pentaphylla AGM

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© RHS

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

White and Pale Purple in Spring and Summer

Foliage

Green in Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

showy toothwort

Family

Brassicaceae


Cardamine are herbaceous perennials with simple, palmately or pinnately divided leaves and short racemes of 4-petalled white, yellow, pink or purplish flowers in spring or summer

C. pentaphylla is an herbaceous perennial forming a clump of pinnate leaves, with erect stems bearing short racemes of pale purple or white flowers in spring and early summer

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

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

Cultivation

Grow in full or part shade, in any moist soil that is not waterlogged

Soil

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

Propagation

Propagate by division, but you can also Propagate by seed

Suggested planting locations and garden types

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


How to care

Pruning

None required

Pests

Susceptible to aphids

Diseases

Generally trouble free