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Trees

Sorbus pseudofennica

Arran service tree

A small deciduous tree, with slightly glossy, dark green leaves divided into leaflets at the base, with a larger, lobed leaflet at the tip. Clusters of white flowers are produced in spring, followed by clusters of rounded red berries in autumn. A rare species, with a small wild population found only in Scotland

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Ultimate height

4–8 metres

Time to ultimate height

10–20 years

Ultimate spread

2.5–4 metres

Chalk

Loam

Sand

Moisture

Well–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

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 GB / Ireland: Yes
Foliage: Deciduous
Habit: Columnar upright, 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: Sorbus can be deciduous trees or shrubs with simple or pinnate leaves and clusters of small white or pink flowers, followed by white, yellow, pink, red or brown berries; some have fine autumn colour
Name status: Correct
Plant range: Scotland

How to grow

Cultivation

Thrives in moderately fertile, well-drained soil in sun or light dappled shade. See tree cultivation for further advice

Propagation

Propagate by seed, sown fresh in autumn, or by softwood cuttings in early summer

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Low Maintenance

Pruning

Minimal pruning required, see pruning group 1

Pests

May be susceptible to aphids, scale insects, pear blister mite, red spider mite and sawfly larvae

Diseases

May be susceptible to fireblight, apple canker, silver leaf and honey fungus

Get involved

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