About

This deciduous perennial develops a dense clump of narrow, strap-like foliage. In mid to late summer, robust stems support rounded clusters of deep blue blossoms.

About the genus

Agapanthus consists of perennial plants that grow in clusters, featuring long, narrow leaves. Some species maintain their foliage year-round, while others do not. These plants produce upright stems topped with rounded clusters of bell-shaped flowers, which can be blue or white.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Plant type
Herbaceous Perennial
Habit
Bushy
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Mediterranean climate plants, Coastal, Cottage and informal garden, Patio and container plants
Toxicity
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

Care notes

Cultivation
Grow in fertile, moist but well-drained soil in full sun or grow in a container. In cold areas, mulch well overwinter. See Agapanthus cultivation for further advice
Pruning
No need to cut down in the autumn, as the seedheads look attractive over winter
Propagation
Propagate by division every 3 to 4 years in spring
Pest resistance
May be susceptible to slugs and snails and agapanthus gall midge
Disease resistance
May be susceptible to a virus