Details of...
Scientific Name: Pinus heldreichii
Pronunciation: PYE-nus hel-DRIK-ee-eye
Common Name: Bosnian pine
Family Name: Pinaceae
Plant Type: Conifer
Key ID Features: Needles 2 per fascicle, 7-9 cm long; female cones 5-8 cm long, nearly black when immature.
Course(s): HORT 2355

Habit: Upright
Form: Pyramidal - narrowly
Texture: Medium
Mature Size:
Height:15 - 22m
Spread:5 - 7m
Growth Rate:Moderate
Origin: Europe (The Balkans, Italy)
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Full sun
Soil/ Growing Medium: Well-drained
Landscape Uses: Specimen plant, Tall background, Wind break, Winter interest
Additional Info: Google. Cultivars shown or on campus may include P. 'Compact Gem'
Bosnian pine
Leaf Morphology: Glossary
Form: Needle-like
Arrangement: Fascicles
Texture/ Venation:
Colour in Fall: Dark-green
Leaf(let) Terms:
Shapes: Acicular

Inflorescence Type: n/a (male cone)
Flower Morphology:Monoecious plant
Colour (petals): No flowers, Yellow
Flower Time at Peak: Apr, May

Fruit Type: Cone (winged seeds)
Fruit Colour: Blue, Brown, Black, (cobalt blue in mid summer; brown when mature)
Fruiting Time: Aug, Sep, Oct
Additional Info: Persistent, 5-10 cm long

Bark Morphology: Plated
Bark or Stem Colour: Grey
Leaf Bud Type: Ovoid
Organ Modifications: Ectomycorrhizae

Propagation: Seed
Pest Susceptibility: Blight or needle cast, Rust, Sawflies or horntails or ants, ( Deer resistant, Drought resistant )
(HPZ) Horticulture PlaZa : cv. 'Compact Gem'
(WDH) Wark-Dumais House : directly southwest of front house corner by light standard
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