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HYDRANGEA arborescens 'Incrediball'

Commonly known as Sevenbark

Similar to 'Annabelle' but with even larger flowers
Further Reading....
  • Deciduous
    Long-stalked, broad leaves to 18cm (7in) long, dark-green above, paler beneath.
  • White
    Lime green to white and to green as they age
  • Height
    1.8m (6ft)
  • Spread
    1.8m (6ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Sturdy stems with flowers to 30cm (12in) 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
  • Partial shade

HYDRANGEA arborescens 'Incrediball'

 

 

  • Additional Features
    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, leaf spot, honey fungus
    Place of origin
    Garden origin. USA. Tim Wood.
  • Burncoose Specialities
    Hydrangeas
  • Hardiness
    Fully hardy
  • Leaf margin
    Serrate
    		(see photos above)
  • Leaf shape
    Ovate
    		(see photos above)
  • Pruning group
    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.

    RHS group 1
  • Seasonal Interest
    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
1.8m (6ft)
 Medium Shrub - guide for size not form Average Person
  1.8m (6ft)
  

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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