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Geranium 'Nimbus'

RHS Plant Profile
cranesbill 'Nimbus'

Synonyms

Geranium (_clarkei_ × _collinum_)

Award of Garden MeritPlants for pollinators
Herbaceous Perennial

'Nimbus' is a vigorous, floriferous, mound-forming plant, to 100cm high, and spreading to 180cm. Foliage is very dissected, attractive, sometimes yellowish-green in spring, then mid green. Flowers are 3.5cm across, wide open, lavender-blue to violet with fine dark red veins and a small white centre borne from early to late summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 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 North–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
Matforming
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 well-drained soil in full sun or partial shade but full shade is tolerated

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
  • Wildlife gardens
  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

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

Pests

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

Diseases

May be susceptible to downy mildews and powdery mildews