Geranium 'Sanne'

RHS Plant Profile
cranesbill 'Sanne'
Plants for pollinators
Herbaceous Perennial

A low-growing, mound-forming, herbaceous perennial with dark bronze, lobed foliage, on stems to 20cm (8in) high and 30cm (12in) across. In summer white flowers with slightly darker veins appear in profusion and contrast well with the dark foliage.

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 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
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Geraniaceae
Native to GB/Ireland
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
Accepted

How to Grow

Cultivation

Grow in any moderately fertile soil apart from waterlogged soils. For best growth and flowering, plant in full sun or partial shade.

Propagation

Propagate by division in spring, or take basal cuttings in early to mid-spring and root with bottom heat.

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds

Pruning

Remove spent flowered stems and old leaves to encourage the production of fresh leaves and flowers. Remove old, dead foliage in spring before growth commences

Pests

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

Diseases

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