Geranium bohemicum 'Orchid Blue'

RHS Plant Profile
cranesbill 'Orchid Blue'

Save a plant

Where do you want to save Geranium bohemicum 'Orchid Blue'?

Plants I own
Wishlist
Go to My Plants
Plants for pollinators
Annual Biennial
Buy this from Plant Nurseries
1 Suppliers

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

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, 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 Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

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