Overview
Hydrangea macrophylla 'Rosie Blue' (H) is a shrub shrubs in the genus Hydrangea, part of the Hydrangeaceae family, with deciduous foliage. Hydrangea macrophylla 'Rosie Blue' (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 'Rosie Blue' is a deciduous shrub cultivar within the Hydrangea genus, known for its clustered flowers comprising both fertile and ornamental blooms. It thrives in moist but well-drained, fertile soil ranging from acidic to alkaline and can be grown in full sun or partial shade, suitable for north, south, or west-facing aspects. This cultivar is hardy to UK zone H1a and is ideal for borders and containers. 'Rosie Blue' offers seasonal interest during summer and autumn, benefiting from annual mulching with well-rotted organic matter and propagation 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 'Rosie Blue' (H) size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Shrub
- Foliage
- Deciduous
- Suggested uses
- Borders, Containers
Care notes
Pruning and caring for Hydrangea macrophylla 'Rosie Blue' (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 'Rosie Blue' (H)?
Hydrangea macrophylla 'Rosie Blue' (H) prefers full sun and partial shade. It suits sheltered and exposed positions.
What soil does Hydrangea macrophylla 'Rosie Blue' (H) need?
Hydrangea macrophylla 'Rosie Blue' (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 'Rosie Blue' (H) hardy in the UK?
Hydrangea macrophylla 'Rosie Blue' (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 'Rosie Blue' (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'
