Overview

Hydrangea macrophylla 'Blue Billow' (L) is a shrub shrubs in the genus Hydrangea, part of the Hydrangeaceae family, with deciduous foliage. Hydrangea macrophylla 'Blue Billow' (L) 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 'Blue Billow' is a deciduous shrub cultivar of the Hydrangea genus, known for its clustered flowers that combine smaller fertile blooms with larger ornamental ones. It thrives in moist but well-drained, fertile soil, tolerating a range of soil types and pH levels, and prefers partial shade to full sun exposure. Suitable for borders and containers, this cultivar benefits from annual mulching with well-rotted organic matter. It is hardy to UK zone H1a and offers interest during the summer and autumn seasons.

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 'Blue Billow' (L) size, habit and characteristics

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

Care notes

Pruning and caring for Hydrangea macrophylla 'Blue Billow' (L)

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

Frequently asked questions

Where is the best place to plant Hydrangea macrophylla 'Blue Billow' (L)?

Hydrangea macrophylla 'Blue Billow' (L) prefers full sun and partial shade. It suits sheltered and exposed positions.

What soil does Hydrangea macrophylla 'Blue Billow' (L) need?

Hydrangea macrophylla 'Blue Billow' (L) 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 'Blue Billow' (L) hardy in the UK?

Hydrangea macrophylla 'Blue Billow' (L) 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 'Blue Billow' (L)?

Cuttings.

More in the Hydrangea genus

Browse all Hydrangea