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Clematis 'Niobe' (EL) AGM

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© RHS 2002

Characteristics

Plant type

Climber/Wall Shrub

Habit

Climbing

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Yellow and Dark Red in Summer

Foliage

Green in Spring and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

clematis 'Niobe'

Family

Ranunculaceae


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

Early Large-flowered clematis have large star-shaped flowers in early summer, often with a second flowering in late summer

'Niobe' is a small to medium-sized deciduous climber. Single flowers are 15cm wide with six deep velvety ruby-red sepals that age to wine-red and greenish-yellow stamens. Flowers from late spring to early autumn.

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • North-facing, South-facing, East-facing or West-facing
  • Exposed or Sheltered

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. Can be grown in containers at least 45cm (18in) deep and wide in a soil based potting compost

Soil

  • Moist but well-drained
  • Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by layering and semi-hardwood cuttings

Suggested planting locations and garden types

Wall-side Borders


How to care

Pests

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

Diseases

May suffer from clematis wilt and clematis slime flux