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Shrubs

Erica mammosa white-flowered

white-flowered ninepin heath

A slow-growing, bushy, evergreen shrub, to 1m tall, with small, linear leaves, up to 10mm long, arranged in whorls of four to six. In the autumn and late spring, pure white tubular flowers, up to 20mm long, are borne on new growth

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Ultimate height

0.5–1 metres

Time to ultimate height

5–10 years

Ultimate spread

0.5–1 metres

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

West–facing or South–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: Ericaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Erica can be prostrate or erect, evergreen shrubs with fine, needle-like leaves in whorls, and racemes or panicles of small, bell-shaped or tubular flowers
Name status: Correct

How to grow

Cultivation

Grow in well-drained, acid soil in full sun in the mildest localities only; under glass grow in ericaceous potting compost in full light with good ventilation at all times; water freely in the growing season and apply a half strength balanced liquid fertiliser every four weeks, water moderately when not in flower

Propagation

Propagate by seed but colour may not come true or propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Coastal
Patio and container plants
City and courtyard gardens
Cottage and informal garden

Pruning

Pruning group 10 cut back after flowering to maintain a bushy habit

Pests

Generally pest-free

Diseases

May be susceptible to fungal diseases, including honey fungus (rarely), and Phytophthora root rot, in wet conditions

Get involved

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