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DeciduousNarrowly ovate, pointed, mid-green leaves to 15cm (6in) long.
BlueSea blue on acidic soils
RedReddish-purple on clay
Medium shrubTypically grow to around 4-6 feet in heightCompact. Flattened flowerheads 5-10cm (2-4in) across. Leaves turn red in autumn.
Hardy - average winterHardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
Full sunShelter from cold winds
HYDRANGEA serrata 'Bluebird'
- 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.
Additional FeaturesGood to knowSyn. 'Acuminata'. Blooms over a very long period.Pests & DiseasesRed spider mites, scale insects, vine weevils, capsid bugs, grey mould(Botrytis), hydrangea virus, powdery mildew, leaf spot, honey fungus.Place of originKorea, Japan
Garden Location/ConditionsSuitable for small gardens
HardinessFrost hardy (down to -5)
(see photos above)
(see photos above)
Pruning groupPruning group 3Suitable for: Deciduous shrubs that flower in the Summer or Autumn on previous year's growth, or deciduous shrubs that flower in late Winter-Spring on previous year's growth.
Pruning: Trim off old flowers to the first bud beneath flower head. Cut back 1/3 of the oldest stems to promote replacement growth.
RHS group 4
Soil ConditionsFertile moist well-drained soilHumus-rich
Toxic - Category CMay cause skin allergy(People & Pets) Maybe harmful to pets if eaten
- Hydrangeas for everyone!
- Quick tour of hydrangea stocked - Video Tip ondemand_video
- 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