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Herbaceous Perennial

Agapanthus Twister ('Ambic001'^PBR)

African lily [Twister]

A compact, clump-forming perennial to 50cm tall with deciduous, strap-like, dark green foliage. In summer, it bears large, rounded umbels of flowers up to 20cm across on short, sturdy stems; the trumpet-shaped flowers are a deep blue at the base with white flaring petal tips

Synonyms

Agapanthus 'Ambic001'^PBR
Agapanthus Indigo Frost

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

East–facing or South–facing or West–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Amaryllidaceae
Native to the UK: No
Foliage: Deciduous
Habit: Columnar upright
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: Trade

How to grow

Cultivation

Grow in fertile, moist but well-drained soil in full sun or grow in a container. In cold areas, mulch well overwinter and take containers under cover. See agapanthus cultivation

Propagation

Propagate by division every 3 to 4 years in spring

Suggested planting locations and garden types

Mediterranean climate plants
City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Cut flowers
Flower borders and beds

Pruning

In late autumn remove any remaining leaves, but seedheads can be left as they look attractive over winter

Pests

May be susceptible to slugs and snails and agapanthus gall midge

Diseases

May be susceptible to virus disease but generally disease-free

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