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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Good to know
Flowers on new wood. Prune to lowest pair of healthy buds to create a low framework of branches. Neglected plants can be hard-pruned. -
Pests & Diseases
Red spider mites, scale insects, vine weevils, capsid bugs, grey mould(Botrytis), hydrangea virus, powdery mildew, honey fungus -
Place of origin
Eastern USA. Garden origin -
Hydrangeas
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Deciduous
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White
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Lacecap
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BorderSuitable for a shrub border
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Cottage garden
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Town garden
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Fully hardy
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Serrate
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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 height
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Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Hardy - very cold winter
Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Summer Seasonal Interest
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Fertile moist well-drained soilHumus-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
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Rabbit Resistant
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Mature Size2m (6½ft)
2m (6½ft)
View Planting Tips and Care Advice
Hydrangeas - Care Guide
- 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
- Propagation
- Drying Flower Heads
- Drying hydrangea flower heads - Video Tip ondemand_video
- Popular Mopheads & Lacecaps
- Hydrangeas and other plants
- Further Reading
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
View Planting Combinations
