HYDRANGEA obtusifolia

(syn. Decumaria sinensis) - Slightly scented cream to yellow flowers
Further Reading....
  • Evergreen
    Narrowly obovate to ovate, glossy, dark green leaves to 7cm (2¾in) long
  • Height
    2m (6½ft)
  • Spread
    2m (6½ft)
  • Climber
    Some of these climbing plants will need trellis or wire supports if grown on walls or fences. Other grow aerial roots and are self-clinging
    Climbs by aerial roots. Produces flowers in pyramidal panicles to 8cm (3in) across
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Against a wall
  • Full sun
  • Partial shade

HYDRANGEA obtusifolia

 

 

  • Additional Features
    Good to know
    Grow against a sheltered wall or through a tree
    Pests & Diseases
    Trouble free
    Place of origin
    Central China
  • Burncoose Specialities
    Hydrangeas
  • Flower Shape
    Panicles
  • Garden Location/Conditions
    Cottage garden
  • Hardiness
    Frost hardy (down to -5)
  • Leaf shape
    Obovate
    		(see photos above)
    Ovate
    		(see photos above)
  • Pruning group
    Pruning group 8
    Suitable for: Wall trained shrubs and less vigorous climbers.
    Action: For climbers 'spur prune' by cutting back 3-4 buds of the permanent framework. For wall trained shrubs cut back flowered shoots to within 2-4 buds of permanent framework.
    When: Annually after flowers if on previous year's growth, or in late Winter or Spring if on current year's growth.
  • Scented Plants
    Scented flowers
    Slight fragrance
  • Seasonal Interest
    Spring
    Summer
  • Soil Conditions
    Fertile moist well-drained soil
    Moderately fertile
  • Toxic - Category C
    Harmful if eaten
    Pets, i.e. cats, dogs, rabbits, rodents, notably dogs and cats
    May cause skin allergy
    People
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Hydrangeas - Video Spotlights

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)
3 options from £3.00

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
Blood, Fish & Bone
Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
Only £6.00

Fertilisers & Feeds - Carbon Gold
Biochar soil improver
Biochar is a carbon rich form of charcoal specifically designed for soil application to improve plant growth and health. Biochar is a very stable substance that is not broken down in soils, offering long-term soil benefits.
Only £8.00

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

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