• AGM plants

    AGM plants have been through a rigorous 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

Pelargonium 'Brian West Butterfly' (Z/st)

geranium 'Brian West Butterfly'

AGM plants

AGM plants have been through a rigorous 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 'Brian West Butterfly'

© RHS

  • Other common names geranium 'Brian West Butterfly'

  • Synonyms Pelargonium 'Butterfly Brian West'

  • Family Geraniaceae

  • Genus Pelargonium can be perennials, sub-shrubs or shrubs, sometimes succulent and mostly evergreen, with palmately lobed or pinnately divided leaves and clusters of slightly irregular, 5-petalled flowers

  • Horticultural Group Zonal Stellar pelargoniums are compact bushy evergreen perennials with fleshy stems, small leaves with pointed lobes, often zoned with maroon, and single or double star-shaped flowers in shades of purple, red, pink, orange and white, from early to late summer

  • Details 'Brian West Butterfly' is a small, evergreen, bushy plant. The green leaves have a lighter green, butterfly-shaped central marking and double pink flowers fading to a white eye are borne in spring and summer

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H1C

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHNeutral, Acid

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Enjoys good light and frost-free conditions. A high potash feed encourages flowering in spring and summer. See Pelargonium cultivation

Propagation Propagate by softwood cuttings in spring and summer

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Patio & Container Plants Mediterranean Climate Plants

How to care

Pruning Cut back in spring if plants have become leggy. Deadhead regularly

Pests Generally trouble free, but may suffer from aphids in spring

Diseases May suffer from grey moulds, Pelargonium rust and Pelargonium viruses

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