Hydrangea ‘Blue Diamond’ is a stunning deciduous shrub prized for its brilliant blue mophead blooms and compact, elegant form. Perfect for adding colour and texture to gardens, borders, and pots, this variety delivers reliable flowering and vibrant seasonal interest.
✨ Key Features
- Brilliant blue blooms in acidic soil; shades of pink to purple in neutral soil
- Compact and tidy growth habit — ideal for smaller gardens
- Long flowering season from late spring through summer
- Excellent for cut flowers and floral arrangements
- Great in pots or garden beds
🌱 Planting & Care
- Position: Prefers morning sun and afternoon shade or bright filtered light
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Soil: Moist, well-draining soil; colour varies with soil pH
- Acidic = blue flowers
- Neutral/alkaline = pink-purple flowers
- Watering: Keep soil evenly moist, especially in hot weather
- Feeding: Use hydrangea-specific or acid-enhancing fertiliser for deeper blue tones
- Pruning: Light prune after flowering to shape and remove spent blooms
📏 Size
- Height: 1.0 – 1.2 m
- Width: 1.0 m
🎯 Perfect For
- Cottage gardens
- Mixed borders
- Containers and patio pots
- Colour-themed landscapes
- Cut-flower lovers
Bring home the Hydrangea ‘Blue Diamond’ and enjoy a burst of intense blue colour in your garden season after season.
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