Overview
Hydrangea macrophylla Hi Hailstone ('Hihai'PBR) (H) is a shrub shrubs in the genus Hydrangea, part of the Hydrangeaceae family, with deciduous foliage. Hydrangea macrophylla Hi Hailstone ('Hihai'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 Hailstone ('Hihai'PBR) is a deciduous shrub cultivar within the Hydrangea genus, known for its clustered flowers that combine smaller fertile blooms with larger ornamental sterile ones. 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 offers interest during summer and autumn seasons. It benefits from annual mulching with well-rotted organic matter and can be propagated by cuttings.
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 Hailstone ('Hihai'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 Hailstone ('Hihai'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 Hailstone ('Hihai'PBR) (H)?
Hydrangea macrophylla Hi Hailstone ('Hihai'PBR) (H) prefers full sun and partial shade. It suits sheltered and exposed positions.
What soil does Hydrangea macrophylla Hi Hailstone ('Hihai'PBR) (H) need?
Hydrangea macrophylla Hi Hailstone ('Hihai'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 Hailstone ('Hihai'PBR) (H) hardy in the UK?
Hydrangea macrophylla Hi Hailstone ('Hihai'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 Hailstone ('Hihai'PBR) (H)?
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'
