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Annual Biennial

Geranium bohemicum 'Orchid Blue'
  • RHS Plants for pollinators

cranesbill 'Orchid Blue'

A bushy annual up to 50cm high, with downy, deeply lobed and toothed green leaves. Small, pale violet-blue flowers, with notched petals and darker veins, are produced in summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
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 Green
Summer Blue Purple Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Geraniaceae
Native to GB / Ireland
No
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

Accepted

How to grow

Cultivation

Grow in moderately fertile, well drained soil, may benefit from afternoon shade in hot summers

Propagation

Propagate by seed sown in cold frames in autumn, germination is variable and may take anything from a week to up to three months. May self-seed in place and usually comes true

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds
  • Ground cover
Pruning

Basal leaves often wilt at flowering stage, cut back after flowering to tidy faded foliage

Pests

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

Diseases

May be susceptible to powdery mildews, downy mildews, rust diseases and virus diseases

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