Geranium wallichianum

RHS Plant Profile
Wallich’s cranesbill

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Synonyms

Geranium wallichianum wild form

Plants for pollinators
Herbaceous Perennial
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A low-growing perennial to 30cm in height, with trailing, branching stems and pairs of lobed and toothed mid-green leaves. Loose clusters of saucer-shaped, lilac or purple-pink flowers are produced from mid summer to early autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Geraniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Trailing
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
Himalaya

How to Grow

Cultivation

Thrives in moderately fertile, well-drained soil in sun or partial shade, but will tolerate most soils unless waterlogged

Propagation

Propagate by seed, by division or by basal softwood cuttings in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Wildlife gardens
  • Banks and slopes
  • Garden edging
  • Ground cover
  • Underplanting of roses and shrubs
  • Flower borders and beds

Pruning

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

Pests

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

Diseases

May be susceptible to downy mildews and virus diseases, and to powdery mildews in dry conditions