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Herbaceous Perennial

Agapanthus campanulatus var. albidus

white bell agapanthus

A bulb-like deciduous perennial forming a clump of strap-shaped leaves, with erect stems to 60cm tall, bearing rounded umbels of white flowers in summer and early autumn

Synonyms

Agapanthus campanulatus 'Albus'
Agapanthus campanulatus subsp. campanulatus albidus

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–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 GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
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: Correct
Plant range: E South Africa

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. See Agapanthus cultivation for further advice

Propagation

Propagate by division every 3 to 4 years in spring

Suggested planting locations and garden types

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

Pruning

No need to cut down as the seedheads look attractive over winter

Pests

May be susceptible to slugs and snails and agapanthus gall midge

Diseases

May be susceptible to a virus

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