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Hydrangea macrophylla Fireworks White

hydrangea 'Hanabi'

A Japanese lacecap selection with coarsely toothed, glossy dark green leaves to 20cm long with good autumn tints, producing large flattened flowerheads of green double fertile flowers and starbursts of double white, pale pink or pale blue (depending on the soil conditions) ray florets on long stems

Synonyms
Hydrangea 'Fireworks'
Hydrangea macrophylla 'Vuurwerk White'
see moreHydrangea macrophylla Fireworks
Hydrangea macrophylla Fireworks White
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green White Green
Autumn Yellow
Winter
Position
  • Partial shade
Aspect

North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Hydrangeaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour

Name status

Accepted

Horticultural Group
Lace cap hydrangeas are compact deciduous shrubs with broadly ovate leaves and flat or gently domed clusters of small fertile flowers, with showy sterile flowers around the margin

How to grow

Cultivation

Grow in any moist but well-drained soil in partial shade or grow in sun if soil remains reliably moist. Improve chalky soils with organic matter to support good growth. See shrubby hydrangea cultivation for further advice

Propagation

Propagate by softwood cuttings in early summer or hardwood cuttings in winter

Suggested planting locations and garden types
  • Coastal
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Cut flowers
Pruning

See pruning group 4 for further advice and video guide

Pests

May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil

Diseases

May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.