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Herbaceous PerennialSynonym

Geranium (Cinereum Group) Thumping Heart
  • RHS Plants for pollinators

cranesbill [Thumping Heart]

A herbaceous perennial with a compact, clump-forming habit. It has small, deeply lobed, mid-green leaves and in late spring and summer, produces upward facing, cup-shaped, lilac flowers with dark veins and purple centres.

Synonyms
Geranium (Cinereum Group) Thumping Heart
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Purple Green
Summer Purple Pink Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Geraniaceae
Native to the UK
No
Foliage
Semi evergreen
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 moderately fertile well-drained soil in sun or partial shade.

Propagation

Propagate by division in spring and by basal softwood cuttings in early to mid spring using bottom heat.

Suggested planting locations and garden types
  • Gravel garden
  • Cottage and informal garden
  • Low Maintenance
  • Ground cover
Pruning

Cut back flowered stems to the base after flowering is finished. In autumn to late winter cut back withered stems.

Pests

Maybe susceptible to vine weevil where grown in containers.

Diseases

Maybe susceptible to powdery mildew in hot dry weather

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