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Shrubs

Cornus sericea

red osier dogwood

A wide-spreading, vigorous, suckering shrub to 1.8m in height with thin, mid-green leaves with a grey underside which turn red in the autumn, and deep to bright red winter stems. Flowers are creamy white, in corymbs to 7.5cm wide and followed by white, rounded hard berries which contrast well with the autumn foliage.

Other common names

American dogwood

Synonyms

Cornus stolonifera
Swida stolonifera
see moreCornus alba misapplied

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Ultimate height

1.5–2.5 metres

Time to ultimate height

5–10 years

Ultimate spread

2.5–4 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Poorly–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–facing or North–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Cornaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Suckering
Genus: Cornus can be deciduous shrubs or trees, or creeping, woody-based perennials, some with brightly coloured young stems. Tiny flowers are borne in dense clusters, sometimes with showy bracts. Many have fine autumn colour
Name status: Correct
Plant range: N America

How to grow

Cultivation

Will grow in most soil conditions in sun or partial shade. For more information see winter stem colour cultivation or flowering dogwood cultivation

Propagation

Propagate by hardwood cuttings, semi-ripe cuttings or layering.

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Banks and slopes
Flower borders and beds

Pruning

Pruning group 7 each year to produce vigorous colourful young shoots will help to keep the shrub compact

Pests

Generally pest-free but may be susceptible to horse chestnut scale

Diseases

May be susceptible to cornus anthracnose and honey fungus

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