Overview

Hydrangea macrophylla 'White Giant' (H) is a shrubby, climbing shrubs in the genus Hydrangea, part of the Hydrangeaceae family, with deciduous foliage. It typically grows around 3.0 m tall. Hydrangea macrophylla 'White Giant' (H) grows best in full sun, and tolerates most soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include borders, containers and climbing walls.

About

Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native and endemic to Japan. It is a deciduous shrub growing to 3 m (10 ft) tall by 2.5 m (8 ft) or more broad with large heads of pink or blue flowers in summer and autumn.

Growing conditions

Best soil and position for Hydrangea

Sunlight
Full sun
Soil type
Sandy, Loamy, Clay
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, East-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Hydrangea macrophylla 'White Giant' (H) size, habit and characteristics

Plant type
Shrubs
Habit
Shrubby, climbing
Foliage
Deciduous
Height
3.0 m
Suggested uses
Borders, containers, climbing walls

Care notes

Pruning and caring for Hydrangea macrophylla 'White Giant' (H)

Propagation
Softwood cuttings, semi-ripe cuttings, hardwood cuttings
Pest resistance
Aphids, capsid bug, hydrangea scale, vine weevil
Disease resistance
Leaf spot, powdery mildew, grey mould, honey fungus

Frequently asked questions

Where is the best place to plant Hydrangea macrophylla 'White Giant' (H)?

Hydrangea macrophylla 'White Giant' (H) prefers full sun. It suits sheltered positions.

What soil does Hydrangea macrophylla 'White Giant' (H) need?

Hydrangea macrophylla 'White Giant' (H) is adaptable and grows happily in most soil types, including sandy, loamy and clay. It prefers neutral soil. Aim for soil that stays moist but well-drained.

How big does Hydrangea macrophylla 'White Giant' (H) grow?

Hydrangea macrophylla 'White Giant' (H) reaches a height of 3.0 m.

Is Hydrangea macrophylla 'White Giant' (H) hardy in the UK?

Hydrangea macrophylla 'White Giant' (H) has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Hydrangea macrophylla 'White Giant' (H)?

Softwood cuttings, semi-ripe cuttings, hardwood cuttings.

More in the Hydrangea genus

Browse all Hydrangea