About
Agapanthus 'Blue Ice' is an evergreen perennial that grows to approximately 1 meter in height. It features long, glossy leaves, which are strap-like and purple at their base. From mid-summer to early autumn, it produces large, rounded clusters of pale blue flowers on robust, upright stems.
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
- West-facing, East-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Evergreen
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Coastal, City and courtyard gardens, Cottage and informal garden, Patio and container plants, Mediterranean climate 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
- In mild areas, grow in well-drained soil in a sheltered, sunny position. Otherwise grow in a container positioned in full sun. Water well during the growing season and liquid feed monthly from spring to flowering. Overwinter the whole container in a cold greenhouse. See agapanthus cultivation
- Pruning
- No need to cut down in autumn 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
- Disease resistance
- May be susceptible to a virus