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
- Hydrangea alternifolia 'Pink Geisha'hydrangea 'Pink Geisha'
- Hydrangea arborescens 'Astrid Lindgren'hydrangea 'Astrid Lindgren'
- Hydrangea arborescens 'Pink Percussion'
- Hydrangea gracilis

- Hydrangea heteromalla 'Krista'

- Hydrangea hirta
- Hydrangea hydrangeoides 'Shiro-fuka-fukurin-fu' (v)Japanese hydrangea vine 'Shiro-fuka-fukurin-fu'

- Hydrangea involucrata 'Late Love'hydrangea 'Late Love'
