Overview

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) is a shrub shrubs in the genus Hydrangea, part of the Hydrangeaceae family, with deciduous foliage. Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) grows best in full sun and partial shade, and tolerates loam and clay soils and any pH. Its UK hardiness is rated H1a. Suggested uses include borders and containers.

About

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) is a deciduous shrub cultivar within the Hydrangea genus, known for its clustered flowers combining smaller fertile and larger ornamental blooms. It thrives in moist but well-drained, fertile soil and can be grown in full sun or partial shade, tolerating a range of soil types and pH levels. Suitable for borders and containers, this cultivar is hardy to UK zone H1a and benefits from annual mulching with well-rotted organic matter. Its season of interest spans summer and autumn, reflecting the genus's notable flowering and foliage display.

Growing conditions

Best soil and position for Hydrangea

Sunlight
Full sun, Partial shade
Soil type
Loam, Clay
Soil pH
Acidic, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, South-facing, West-facing
Exposure
Sheltered, Exposed
UK hardiness
H1a

Plant details

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) size, habit and characteristics

Plant type
Shrubs
Habit
Shrub
Foliage
Deciduous
Suggested uses
Borders, Containers

Care notes

Pruning and caring for Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H)

Propagation
Cuttings
Pest resistance
Generally pest-resistant
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H)?

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) prefers full sun and partial shade. It suits sheltered and exposed positions.

What soil does Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) need?

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) grows best in loam and clay soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) hardy in the UK?

Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H) has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.

How do I propagate Hydrangea macrophylla Hi White Sun ('Hisun'PBR) (H)?

Cuttings.

More in the Hydrangea genus

Browse all Hydrangea