Overview
Agapanthus 'Blue Triumphator' is a clump forming herbaceous perennial in the genus Agapanthus, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Agapanthus 'Blue Triumphator' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include flower borders and beds, patio and container plants and city and courtyard gardens. It is native to South Africa.
About
Agapanthus 'Blue Triumphator' (African lily) is a clump-forming herbaceous perennial belonging to the Amaryllidaceae family. It grows to a height of 0.5 to 1 metre with a spread of 0.1 to 0.5 metres, reaching full size within 2 to 5 years. This deciduous plant thrives in full sun with a south or west-facing aspect and prefers sheltered locations. It adapts well to various soil types including chalk, loam, and sand, and tolerates alkaline, acid, and neutral pH levels, favouring moist but well-drained or well-drained soils. It is of interest through spring, summer, and winter.
About the genus
Agapanthus is a genus of plants, the only one in the subfamily Agapanthoideae of the family Amaryllidaceae. The subfamily was formerly treated as a separate family, Agapanthaceae. The family is in the monocot order Asparagales.
Wikipedia contributors, "Agapanthus", CC BY-SA 4.0 — Agapanthus
Growing conditions
Best soil and position for Agapanthus
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Acid, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Agapanthus 'Blue Triumphator' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Flower borders and beds, Patio and container plants, City and courtyard gardens
- Native to
- South Africa
Care notes
Pruning and caring for Agapanthus 'Blue Triumphator'
- Cultivation
- Plant in spring or autumn in well-drained soil in full sun. Mulch in winter to protect roots in colder areas. Water regularly during dry periods.
- Pruning
- Remove spent flower heads to encourage further blooming and tidy appearance. Cut back foliage in late autumn after it dies down.
- Propagation
- Division every 3 to 4 years in spring
- Pest resistance
- Slugs, Snails, Agapanthus gall midge
- Disease resistance
- Virus
Frequently asked questions
How do I grow Agapanthus 'Blue Triumphator'?
Plant in spring or autumn in well-drained soil in full sun. Mulch in winter to protect roots in colder areas. Water regularly during dry periods.
Where is the best place to plant Agapanthus 'Blue Triumphator'?
Agapanthus 'Blue Triumphator' prefers full sun. It suits sheltered positions.
What soil does Agapanthus 'Blue Triumphator' need?
Agapanthus 'Blue Triumphator' is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.
How do I prune Agapanthus 'Blue Triumphator'?
Remove spent flower heads to encourage further blooming and tidy appearance. Cut back foliage in late autumn after it dies down.
How big does Agapanthus 'Blue Triumphator' grow?
Agapanthus 'Blue Triumphator' reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
Is Agapanthus 'Blue Triumphator' hardy in the UK?
Agapanthus 'Blue Triumphator' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Agapanthus 'Blue Triumphator'?
Division every 3 to 4 years in spring.
More in the Agapanthus genus
- Agapanthus 'Maureen'African Lily
- Agapanthus 'Black Buddhist'African Lily
- Agapanthus 'Northern Star'Lily of the Nile
- Agapanthus nutansAfrican Lily