Geranium rotundifolium

RHS Plant Profile
round-leaved cranesbill

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round-leaved cranesbill RHS
round-leaved cranesbill RHS

Other common names

pig yr aran crynddail

Plants for pollinators
Annual Biennial

A native, herbaceous annual restricted to south-east England, growing on dry grassland and chalky soils. Produces shallowly lobed, round foliage on lax stems to 40cm high Pink flowers fading to white in the centres with greenish pink veining are produced from spring to late summer.

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Geraniaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Bushy
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

How to Grow

Cultivation

Grow in any moderately fertile dry to well drained soil. Full sun or partial shade is best. A native plant found growing in dry turf, the tops of old brick walls and on waste ground

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Wildlife gardens
  • Coastal
  • Cottage and informal garden
  • Wildflower meadow

Pruning

Cut back or remove old plants after flowering has finished

Pests

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

Diseases

May be susceptible to Powdery mildews, downy mildews and a virus