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Pinus heldreichii

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© RHS

Characteristics

Plant type

Conifer or Tree

Habit

Bushy

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Pale Yellow in Spring

Foliage

Green in Autumn, Spring, Summer and Winter

Fruit

Blue in Autumn
Brown in Winter

Size

Ultimate height

Higher than 12 metres

Ultimate spread

4-8 metres

Time to ultimate height

more than 50 years


Preferred common name

Bosnian pine

Family

Pinaceae


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

P. heldreichii is a narrowly conical evergreen tree with dense, bright deep green needles in pairs. Cones oval, blue in first year, ripening pale brown

Other common names

  • Balkan pine
  • Heldreich's pine

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in any well-drained soil in full sun

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Sand or Loam

Propagation

Propagate by seed sown in containers in a cold frame in spring. Cultivars will not come true from seed and can be grafted in late winter

Suggested planting locations and garden types

Coastal, Cottage/Informal Garden or Flower borders and beds


How to care

Pruning

Pruning is best avoided. If necessary, prune between late summer and midwinter to avoid bleeding

Pests

Prone to adelgids, aphids, sawfly larvae, pine shoot moth

Diseases

Susceptible to honey fungus