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THE NURSERY & GARDENS ARE CLOSED TO THE PUBLIC UNTIL FURTHER NOTICE
Last updated 26/3/20 10:28.
HYDRANGEA 'Nikko Blue'
Commonly known as Hortensia
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
We recommend the use of Hydrangea blueing agent for all blue varieties. Due to the difficulties of growing blue Hydrangeas in pots, the first flush of flowers may flower pink. Please see below our article on Hydrangea care for full information.
Blue - bright blue
Height - 2m (6½ft)
Spread - 2.5m (8ft)
Medium shrub - Typically grow to around 4-6 feet in height
Hardy - cold winter - Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
Full sun - shelter from cold winds.
Harmful if eaten - These will give you an upset tummy, so please don't eat any of these.
May cause skin allergy or irritant - Having skin or eye contact with these plants could result in an allergic reaction, burning or rash.
Additional Features - Burncoose speciality - See Burncoose Speciality group for more details
Pests & Diseases - red spider mites, scale insects, vine weevils, capsid bugs, grey mould(Botrytis), hydrangea virus, powdery mildew, leaf spot, honey fungus.
Place of origin - Japan
Flower Shape - Mophead
Hardiness - Fully hardy
Seasonal Interest - Summer
Soil Conditions - Fertile moist well-drained soil - humus-rich.
Wildlife - Rabbit Resistant
- Hydrangeas for everyone!
- Soil & Feeding
- Pruning Hydrangeas
- Pruning Hydrangeas - Video Tip ondemand_video
- Hydrangeas, keeping them blue - Video Tip ondemand_video
- Drying Flower Heads
- Drying hydrangea flower heads - Video Tip ondemand_video
- Popular Mopheads & Lacecaps
- Hydrangeas and other plants
- Further Reading