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Herbaceous Perennial

Agapanthus 'Leanne'

African lily 'Leanne'

'Leanne' is a herbaceous perennial 80cm high with deciduous green leaves and mid-purple-blue flowers in late summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Amaryllidaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Humans/Pets (dogs, cats): harmful if eaten. Wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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

Unresolved

How to grow

Cultivation

Grow in moisture-retentive but well-drained soil in full sun, and in colder areas provide winter protection with a dry mulch; in containers, grow in loam-based compost such as John Innes No. 3, water freely when in growth but sparingly in winter, and apply a balanced liquid fertilizer monthly from spring until flowering; for more advice, see Agapanthus cultivation

Propagation

Propagate by division in spring

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

No pruning required: allow flowering stems to remain, because the seedheads look attractive over winter

Pests

May be susceptible to slugs and snails and agapanthus gall midge but generally pest-free

Diseases

May be susceptible to a virus

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.