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Herbaceous Perennial

Agapanthus 'Streamline'

African lily 'Streamline'

'Streamline' is a relatively short cultivar with evergreen leaves. Narrow, sky-blue florets with a deep blue inner stripe are carried on 30cm stems

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Amaryllidaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling
Genus

Agapanthus are clump-forming perennials with narrowly strap-shaped leaves, evergreen in some species, and erect stems bearing umbels of funnel-shaped blue or white flowers

Name status

Accepted

How to grow

Cultivation

May survive the winter outdoors in well-drained soil in a sheltered spot in mild areas. Otherwise overwinter in a cold greenhouse. Good in containers. See Agapanthus cultivation for further advice

Propagation

Propagate by division every 3 to 4 years in spring

Suggested planting locations and garden types
  • Coastal
  • Patio and container plants
  • Mediterranean climate plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Wall side borders
  • Flower borders and beds
Pruning

No need to cut down in the autumn, as the seedheads look attractive over winter

Pests

May be susceptible to slugs and snails and agapanthus gall midge

Diseases

May be susceptible to a virus

Get involved

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