• 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

Clematis 'Princess Diana' (T)

clematis 'Princess Diana'

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
clematis 'Princess Diana'

© � R.J. Evison, The Guernsey Clematis Nursery Ltd 2003

  • Other common names clematis 'Princess Diana'

  • Synonyms Clematis texensis 'Princess Diana'
    Clematis texensis 'The Princess of Wales'

    Clematis 'The Princess of Wales' (T)

    see more
  • Genus Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seed-heads in autumn

  • Family Ranunculaceae / Ranunculaceae

  • Details 'Princess Diana' is a deciduous climber of herbaceous habit with profuse flowers once established. Single tulip-shaped luminous reddish-pink flowers to 6cm in length are brighter pink at the margins with cream and maroon stamens, mid summer to early autumn

  • Horticultural Group Texensis Group consists of deciduous climbing shrubs or subshrubs, with usually pinnate leaves and erect or nodding, bell- or tulip-shaped flowers on the current year's growth in summer and autumn

Characteristics

  • Foliage Deciduous

  • Habit Climbing

  • 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

    H5

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAlkaline, Neutral

Size

  • Ultimate height

    2.5-4 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Plant in a moisture-retentive, well-drained soil, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. Plant with the crown 5?8cm (2?3in) deep to encourage new shoots to grow from below ground level. Suitable for a large container, at least 45cm (18in) deep and wide in a soil based potting compost

Propagation Propagate by layering or semi-hardwood cuttings

Suggested planting locations and garden types Wall-side Borders

How to care

Pruning Clematis pruning: group three

Pests Young shoots may be troubled by aphids and caterpillars; petals can be eaten by earwigs

Diseases May suffer from clematis slime flux

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