• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Geranium 'Orion'

Cranesbill 'Orion'

AGM plants

AGM plants have been through a rigourous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
Cranesbill 'Orion'

© � RHS

  • Other common names Cranesbill 'Orion'

  • 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

  • Family Geraniaceae / Geraniaceae

  • Species 'Orion' is a spreading perennial, ideal for groundcover, with deeply lobed mid-green basal leaves in 7 divisions. Masses of very large, cup-shaped, lavender-blue flowers have purple veins, a white centre and almost round, overlapping petals borne over a long period during summer. A seedling of 'Brookside'

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in moderately fertile well-drained soil in full sun or partial shade. Most soils, unless waterlogged, in either sun or shade are tolerated

Propagation Propagate by division between early autumn and early spring or cut back plants after flowering in summer then divide, replant and water well

Suggested planting locations and garden types Flower borders and beds Ground Cover Underplanting of Roses and Shrubs Low Maintenance Cottage & Informal Garden

How to care

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

Pests May be damaged by vine weevil larvae, Geranium sawfly larvae, capsid bug or slugs and snails

Diseases Downy mildew and a virus are occasional problems. Powdery mildew in dry conditions may be troublesome

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