Pinus cembra

RHS Plant Profile
Arolla pine
Arolla pine RHS

Other common names

Russian cedar, Siberian cedar, Siberian cedar pine, Swiss stone pine

Conifers Trees

A bushy tree to 20m tall, usually narrow in habit, with dark grey-green needles borne in fives, and ovoid cones 6cm long, blue-green when young, later pale brown, and contained large, edible seeds

Position

Full sun

Soil Types

Loam, Sand

Max Height

Higher than 12 metres

Max Spread

4-8 metres

Size

Time to Maturity
more than 50 years
Max Spread
4-8 metres
Max Height
Higher than 12 metres

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness
H7
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Pinaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Pinus can be shrubs or large, evergreen trees, some species with attractive bark, developing an irregular outline with age and bearing long needle-like leaves in bundles of 2, 3 or 5; conspicuous cones may fall or remain on the tree for years
Name Status
Correct
Plant Range
C & E Europe

How to Grow

Cultivation

Grow in any well-drained soil in full sun. May be short-lived in shallow, chalk soil. See Trees: buying and planting specimens

Propagation

Propagate by seed in containers in a cold frame in spring. Semi-ripe cuttings from vigorous young growth in summer or early to mid autumn

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • Flower borders and beds

Pruning

Keep pruning to a minimum but if dual leaders form on young trees, remove one to produce a single-stemmed tree. Trees may be resinous, any pruning should be carried out from late summer to midwinter

Pests

May be susceptible to adelgids, conifer aphid, sawfly larvae, and pine shoot moth

Diseases

May be susceptible to honey fungus and needle cast diseases