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Tropaeolum tuberosum var. lineamaculatum 'Ken Aslet' AGM

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© RHS 2002

Characteristics

Plant type

Climber/Wall Shrub or Herbaceous Perennial

Habit

Climbing

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

Orange and Red in Autumn and Summer

Foliage

Green and Grey/Silver in Autumn and Summer

Size

Ultimate height

2.5-4 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

nasturtium 'Ken Aslet'

Family

Tropaeolaceae


Tropaeolum can be annuals or perennials, bushy, trailing or climbing by twining stems, with simple or palmately lobed leaves and showy funnel-shaped flowers with five long-clawed petals and often a spur

'Ken Aslet' is a tuberous, climbing herbaceous perennial to 2m, with rounded, 3 to 5-lobed, grey-green leaves and long-spurred, cupped, orange flowers veined with brown within, and with red spurs

Synonym(s)

  • Nasturtium 'Ken Haslett'
  • Tropaeolum tuberosum 'Ken Aslet'
  • Tropaeolum 'Ken Aslet'

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Tubers can be dug up and stored in a frost-free place over winter or plant can be grown in a deep container and overwintered indoors

Soil

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

Propagation

Propagate by division

Suggested planting locations and garden types

Wall-side Borders


How to care

Pruning

In early spring, cut the dead growth down to ground level

Pests

May be attacked by caterpillars, flea beetles and blackfly

Diseases

May be affected by a virus