Skip to site navigation

Diascia 'Rupert Lambert' AGM

Home  |  Plants > Plant Selector > Diascia 'Rupert Lambert' AGM

© RHS 2000

Characteristics

Plant type

Herbaceous Perennial

Habit

Mat forming

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

Dark Pink in Autumn and Summer

Foliage

Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

twinspur 'Rupert Lambert'

Family

Scrophulariaceae


Diascia can be annuals or semi-evergreen perennials, usually making a mat of neat foliage with racemes of cup or bell-shaped flowers, usually in shades of pink, and each with two short spurs

'Rupert Lambert' is a vigorous spreading perennial to 30cm, with narrow leaves and deep pink flowers 2cm across, borne in long racemes in summer

How to grow

Sunlight

  • Full sun

Aspect

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

Cultivation

Grow in fertile, moist but well-drained soil in full sun. Can be grown in a container; water in dry periods

Soil

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

Propagation

Propagate by seed sown as soon as ripe or in early spring or propagate by taking softwood cuttings in summer

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Garden Edging, Patio/Container Plants or Rock Garden


How to care

Pruning

Deadhead to prolong flowering

Pests

Slugs and snails may be a problem

Diseases

Generally disease free