AWARD

HYDRANGEA serrata 'Grayswood'

Commonly known as Hortensia

Blue centre and outer florets deep crimson
Further Reading....
  • Deciduous
    Narrowly ovate, pointed, mid-green leaves to 15cm (6in) long.
  • Blue
    Blue centre, outer florets deep crimson as they age.
  • Height
    2m (6½ft)
  • Spread
    2m (6½ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Vigorous, compact shrub. Flattened flowerheads 5-10cm (2-4in) across.
  • 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)
  • Full sun
    Shelter from cold winds
  • Partial shade

HYDRANGEA serrata 'Grayswood'

 
Gift Wrapping available on this plant - UK Delivery Only
£15.00 each 
MULTIBUY SAVING

Any 3+ £12 each
Collect only available from our nursery nr Redruth in Cornwall Ready in 3 - 5 days
Delivery Information Normally 3 - 5 days
plant size comparison icon 2 to 3 Litre
Click to see photo

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 Features
    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
  • Burncoose Specialities
    Hydrangeas
  • Flower Shape
    Lacecap
  • Hardiness
    Fully hardy
  • Leaf margin
    Serrate
    		(see photos above)
  • Leaf shape
    Ovate
    		(see photos above)
  • Pruning group
    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

    RHS group 4
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
    Humus-rich
  • Toxic - Category C
    May cause skin allergy
    (People & Pets) Maybe harmful to pets if eaten
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Hydrangeas - Care Guide
Hydrangeas - Video Spotlights
2m (6½ft)
 Medium Shrub - guide for size not form Average Person
  2m (6½ft)
  

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

Fertilisers & Feeds - Vitax
Hydrangea Colourant
For changing pink hydrangea flowers to blue, or making blue flowers darker. If your soil is alkaline the proportions should be doubled.
Only £6.50

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 £10.20

Garden Goodies
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots. Comes with chalk pen. Pack of 5
Only £10.20

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