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HYDRANGEA 'Nigra'
Commonly known as Hortensia
Mophead - striking black stems and pale blue flowers
Further Reading....
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DeciduousBroadly ovate leaves to 20cm (8in) long
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BluePale blue
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Height2m (6½ft)
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Spread2.5m (8ft)
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Medium shrubTypically grow to around 4-6 feet in height
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Hardy - cold winterHardy 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)
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Full sunshelter from cold winds.
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Partial shade
HYDRANGEA 'Nigra'
- Details
- Description
- 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.
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Additional FeaturesBurncoose specialitySee Burncoose Speciality group for more detailsPests & DiseasesRed spider mites, scale insects, vine weevils, capsid bugs, grey mould(Botrytis), hydrangea virus, powdery mildew, leaf spot, honey fungus.Place of originChina. Introduced into USA by EH Wilson
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Burncoose SpecialitiesHydrangeas
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Flower ShapeMophead
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Garden Location/ConditionsBorderSuitable for a shrub borderCottage gardenTown garden
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HardinessFully hardy
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Leaf marginSerrate
(see photos above) -
Leaf shapeOvate
(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.
When: Annually
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Seasonal InterestSummer
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Soil ConditionsFertile moist well-drained soilHumus-rich.
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Toxic - Category CHarmful if eatenPets, i.e. cats, dogs, rabbits, rodents, notably dogs and catsMay cause skin allergyPeople
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WildlifeRabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
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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
- 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
- June Hydrangea Stock 2022 - Video Tip ondemand_video
2m (6½ft)
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2.5m (8ft) |
Useful extras...
Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00
Fertilisers & Feeds - Empathy
Wildflower Mini Meadow
Creates a mini-meadow for attracting bees, butterflies and bugs to your garden.
200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
2 options from £7.00
Garden Goodies
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen.
Just stick them in your pot or border. Pack of 6.
Only £10.00
Vermin & Pest Control
Slug Pellets
Slug killer blue mini pellets are easy to use and give effective control of slugs and snails.
Ideal in garden, conservatory or greenhouse.
Only £6.50
Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00