• 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

Impatiens repens

creeping balsam

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
creeping balsam

© RHS

  • Other common names creeping balsam

  • Family Balsaminaceae

  • Genus Impatiens can be annuals or evergreen perennials, with fleshy stems bearing simple, toothed leaves and solitary or clustered, spurred, 5-petalled flowers

  • Details I. repens is a creeping evergreen perennial to 20cm high, with fleshy stems bearing small kidney-shaped leaves and hooded yellow flowers to 4cm long in summer and autumn

  • Plant range Sri Lanka, India

Characteristics

  • Foliage Evergreen

  • Habit Mat 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)

    H1B

Colour

Sunlight

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

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 Under glass grow in a humus rich, moist but well-drained soil in partial shade. If grown outdoors as summer bedding, provide a sheltered position with protection from wind

Propagation Propagate by seed in the spring at 16-18C (61-64F) or take softwood cuttings in spring or early summer

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning No pruning is required

Pests Glasshouse red spider mite, glasshouse whitefly, vine weevil and aphids can be troublesome under glass

Diseases Flower buds are susceptible to grey moulds in growing conditions that are too damp

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