• 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

Clematis × triternata 'Rubromarginata'

Clematis 'Rubromarginata'

Clematis 'Rubromarginata'

© � RHS 1999

  • Other common names Clematis 'Rubromarginata'

  • Synonyms Clematis flammula 'Rubra Marginata'
    Clematis flammula var. rubro-marginata

  • 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

  • Species 'Rubromarginata' is a medium-large deciduous climber with bipinnate leaves. Flowers starry, to 3cm in width, scented, white, veined and edged with reddish-purple are borne in panicles and very free flowering from midsummer to early autumn

Characteristics

  • Foliage Deciduous

  • Habit Climbing

  • Fragrance Flower

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

    1-1.5 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

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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