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Streptocarpus 'Harlequin Delft'

Cape primrose 'Harlequin Delft'

'Harlequin Delft' is a tender perennial with mid green, strap-shaped leaves. Violet blue and pale yellow flowers up to 5.5cm across are borne in loose clusters over a long period from spring into early autumn

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Blue Yellow Green
Summer Purple Blue Yellow Green
Autumn Purple Blue Yellow Green
Winter Green
Position
  • Partial shade
Aspect

West–facing or East–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Gesneriaceae
Native to the UK
No
Foliage
Evergreen
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

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 or take leaf cuttings in spring or early summer

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

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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