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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.

Further Reading....

Deciduous
pointed, toothed mid- to dark-green leaves 7-15cm (3-6in) long.
White
White, turning green in autumn
Height
3m (10ft)
Spread
2.5m (8ft)
Tall Shrub
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
Requires a sheltered site
Partial shade

Details
Mature Size
Tips and Advice
Goes Well With
Planting Combinations
Other Suggestions
See Also...

Additional Features

	Good to know	Larger flowerheads will be produced if previous season's shoots are cut back to within a few buds of the woody framework in spring.
	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	Japan, China, Russia. Garden origin. 1990. The Netherlands. Pieter Zwijnenburg Jr.

Burncoose Specialities

Hydrangeas

Flower Shape

Panicles

Garden Location/Conditions

Border

Suitable for a large shrub border

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.
	Pruning group 4	Suitable for: Deciduous trees and shrubs that flower on current year's growth or are grown for winter stem effect. Pruning: Hard prune to a low permanent framework. When: Annually in early Spring.