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Shrubs

Cotoneaster sternianus

Stern's cotoneaster

Vigorous, evergreen or semi-evergreen shrub about 3m tall, with small glossy leaves to 6cm long, sage-green above, white-felted beneath. Upright clusters of small, pinkish flowers in summer followed by relatively large, bright orange-red, abundant berries, in small clusters

Synonyms

Cotoneaster franchetii var. sternianus

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Ultimate height

2.5–4 metres

Time to ultimate height

10–20 years

Ultimate spread

2.5–4 metres

Chalk

Clay

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–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: Rosaceae
Native to the UK: No
Foliage: Semi evergreen or Evergreen
Habit: Bushy
Potentially harmful: Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Cotoneaster can be deciduous or evergreen shrubs or small trees, with simple, entire leaves and clusters of small white or pink flowers in spring and summer, followed by showy red, purple or black berries
Name status: Correct
Plant range: Burma, China (NW Yunnan)

How to grow

Cultivation

Grow in any well-drained soil in full sun or partial shade, with shelter from cold winds

Propagation

Propagate from seed (tree/shrub) or by semi-hardwood cuttings in late summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Wildlife gardens
Low Maintenance
Hedging and screens

Pruning

Pruning group 8 or pruning group 13 for wall-trained specimens

Pests

May be susceptible to scale insects, cotoneaster webber caterpillar and aphids including woolly aphid

Diseases

May be susceptible to fireblight and honey fungus

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