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HYDRANGEA serrata 'Tiara'
Commonly known as Hortensia

Sterile flowers open blue and turn mauve-pink. Foliage purple in full sun
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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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
Korea, Japan. Garden origin -
Hydrangeas
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DeciduousNarrowly ovate, pointed leaves to 15cm (6in) long
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Blue
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Lacecap
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BorderSuitable for a shrub or mixed border
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Suitable for small gardens
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Fully hardy
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Serrate
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Ovate
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Height
1.2m (4ft) -
Spread
1.2m (4ft) -
Medium shrubTypically grow to around 4-6 feet in heightCompact, erect shrub. Produces fertile and sterile flowers in flattened corymbs 5-10cm (2-4in) across
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Pruning group 3
Suitable 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.
When: Annually
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Hardy - average winter
Hardy 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) -
Autumn Seasonal Interest
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Summer Seasonal Interest
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Fertile moist well-drained soilModerately fertile, humus-rich
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Full sun
Shelter from cold, drying winds -
Partial shade
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harmful if eaten
Pets, i.e. cats, dogs, rabbits, rodents, notably dogs and cats -
may cause skin allergy
People -
Rabbit Resistant
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Mature Size1.2m (4ft)
1.2m (4ft)
View Detailed Plant Description
View Planting Tips and Care Advice
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