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Herbaceous Perennial

Geranium palustre
  • RHS Plants for pollinators

marsh cranesbill

A low-growing, clump-forming perennial forming bushy hummocks of fresh green, deeply divided leaves. Flowers are borne on thin stems rising from a central rootstock and are bright pink, trumpet-shaped at first then almost starry when the wide-open, wedge-shaped petals become separated. Has a long flowering season, retaining a fresh appearance

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Size
Ultimate height
0.1–0.5 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, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Purple Green
Autumn Orange
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Geraniaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers

Name status

Correct

Plant range
Europe

How to grow

Cultivation

Grow in any, moderately fertile soil in full sun or partial shade; tolerant of both wet and dry soils and can be established in grass

Propagation

Propagate by division in spring or propagate by basal softwood cuttings in early to mid spring and root with bottom heat

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

Remove flowered stems and old leaves to encourage the production of fresh leaves and flowers

Pests

May be susceptible to vine weevil, capsid bug and geranium sawfly

Diseases

May be affected by a downy mildew and powdery mildews

Get involved

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