About
Agapanthus 'Midnight Blue' is a compact perennial that reaches a height of 45 cm. It features broad, strap-like foliage and produces clusters of small, mid- to deep blue flowers atop strong stems during the summer months. This plant forms clumps, making it suitable for various garden settings.
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, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Coastal, Patio and container plants, Mediterranean climate plants, City and courtyard gardens, Cottage and informal garden
- 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
- Pruning
- No pruning required except cutting back dead flower stems, but allow them to remain until spring, as the seedheads look attractive over winter
- Propagation
- Propagate by division every three to four years in spring
- Pest resistance
- May be susceptible to slugs and snails and agapanthus gall midge but generally pest-free
- Disease resistance
- May be susceptible to a virus disease