• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Pinus heldreichii

Bosnian pine

Bosnian pine


  • Other common names Bosnian pine
    Heldreich's pine

    Balkan pine

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  • Family Pinaceae

  • 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

  • Details 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

  • Plant range Italy, Balkan Pen.


  • Foliage Evergreen

  • Habit Bushy

  • 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)




  • Full Sun

  • Aspect South-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilSand, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height Higher than 12 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height more than 50 years

How to grow

Cultivation Grow in any well-drained soil in full sun

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 Flower borders and beds Coastal Cottage & Informal Garden

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

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