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Herbaceous Perennial

Streptocarpus 'Leyla'PBR

Cape primrose 'Leyla'

'Razzamatazz ' is an upright perennial to 75cm with branched stems supporting rough, hairy leaves. The pink flower-heads, produced from late summer to early autumn, have a large central cone of double disc florets surrounded by a single row of reflexed ray florets

Synonyms
Streptocarpus 'Blue Leyla'
© RHS
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Purple Blue Green
Summer White Purple Blue Green
Autumn White Purple Blue Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Gesneriaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Streptocarpus can be annuals, perennials or subshrubs, with usually wrinkled, lance-shaped to rounded leaves and clusters of tubular to trumpet-shaped flowers with 5 spreading lobes, often borne throughout the year

Name status

Accepted

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How to grow

Cultivation

Grow as a houseplant in free-draining compost on an east or west-facing windowsill, or grow in a temperate or warm greenhouse in bright filtered light with shade from hot sun. Water sparingly as compost dries in winter and in the growing season water freely allowing compost to dry out between waterings; feed fortnightly with a high-potassium fertiliser. See Streptocarpus cultivation

Propagation

Propagate by division in spring or autumn although they resent a lot of disturbance. Propagate by root cuttings from late autumn to early winter

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Cut flowers
  • Flower borders and beds
Pruning

Cut back stems as the blooms fade to encourage further flower production

Pests

May be susceptible to glasshouse leafhoppers, mealybugs, thrips, vine weevil and tarsonemid mite

Diseases

May be susceptible to grey moulds (botrytis) or powdery mildews

Get involved

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