HYDRANGEA
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HYDRANGEA
Commonly known as Hortensia
All 2 year old plants. Hydrangeas flower pink or red on an alkaline (lime) soil. They flower blue or purple on an acid (peaty) soil. White varieties remain constant especially in semi-shade. 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. All Flower JUL-OCT.
Colour-changing mopheads and lacecaps in shades of pink, white and blue from early summer to late autumn and delicate skeletons of flower through the winter.
Cones of white from paniculata and bronze and purple foliage from quercifolia.
Genus of 80 or more species of deciduous and evergreen shrubs and climbers. They originate from woodland in eastern Asia and North and South America.
The larger, showier flowers on flat, domed or conical flower heads are sterile, the smaller, fertile flowers are usually found in the centre. The climbers are suitable for a shady wall or fence and mature specimens provide shelter for insects.
Paniculata species attract insects as they have fertile flowers amongst the sterile ones.
Full Plant Details - Sun/Soil & other attributes
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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 wevils, capsid bugs, grey mould(Botrytis), hydrangea virus, powdery mildew, leaf spot, honey fungus -
Place of origin
Eastern Asia -
Hydrangeas
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DeciduousLarge, lance-shaped to narrowly ovate, dark green leaves to 25cm (10in) long, downy beneath
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BorderSuitable for a large shrub border
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Cottage garden
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Town garden
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Fully hardy
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Lanceolate
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Ovate
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Height
2m (6½ft) -
Spread
2m (6½ft)
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Medium shrubTypically grow to around 4-6 feet in heightBroad-spreading, dome-shaped inflorescences to 15cm (6in) 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 - 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) -
Autumn Seasonal Interest
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Summer Seasonal Interest
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Fertile moist well-drained soilHumus-rich
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Partial shade
Shelter from strong winds -
harmful if eaten
Pets, i.e. cats, dogs, rabbits, rodents, notably dogs and cats -
may cause skin allergy
People
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Rabbit Resistant
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Mature Size2m (6½ft)
2m (6½ft)
View Planting Tips and Care Advice
Hydrangeas - Video Spotlights
- Five varieties of Hydrangea - Video Tip ondemand_video
- Hydrangeas in July - Video Tip ondemand_video
- 7 Varieties of Hydrangea paniculata in August - Video Tip ondemand_video
- Hydrangea 'Lanarth White' - Video Tip ondemand_video
- Hydrangea serrata - Video Tip ondemand_video
- Hydrangea seemanii - Video Tip ondemand_video
- Hydrangea aspera subsp robusta - Video Tip ondemand_video
- June Hydrangea Stock 2022 - Video Tip ondemand_video
