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Diascia integerrima AGM

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© RHS 1995

Characteristics

Plant type

Herbaceous Perennial

Habit

Mat forming

Resilience

Hardiness

H4 (hardy - average 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

entire-leaved twinspur

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

D. integerrima is a vigorous spreading perennial to 35cm in height, with narrow leaves and deep pink flowers 2cm across in terminal racemes

Synonym(s)

  • Diascia integrifolia

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