Bosnian Pine (species)
Pinus heldreichii
Bosnian Pine (species) (Pinus heldreichii) is a tree suited to the Colorado Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List. It matures to about 30 to 50 ft tall and 15 to 25 ft wide, slow-growing, needs medium water, and prefers full sun.
medium water30 to 50 ft tall and 15 to 25 ft wide
Photos
- Photo 1: "Pinus heldreichii Pirin 0" by Esther Westerveld from Haarlemmermeer, Nederland is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/.
- Photo 2: Fuoco Fatuo
- Photo 3: "Pinus heldreichii Satellit 04" by Agnieszka Kwiecień (Nova) is licensed under CC BY 2.5. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.5/.
- Photo 4: (c) Patrick Lam, some rights reserved (CC BY)
- Photo 5: (c) Vasileia Sef, some rights reserved (CC BY)
- Photo 6: "Pinus heldreichii Bijela gora above Borovi do" by Orjen is licensed under CC BY-SA 4.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/4.0/.
At a glance
Will it survive here?
- Hardiness zones
- USDA 3 to 7
- Water needs
- medium water
- Sun
- Best in full sun.
- Soil
- loam, sandy, well drained only
- Soil pH
- 6.0 to 8.2
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
How big, what shape?
- Mature size
- 30 to 50 ft tall and 15 to 25 ft wide
- Mature form
- Pyramidal
- Spacing / clearance
- ~25 ft of clearance
- Growth rate
- Slow
- Lifespan
- Long-lived
What it looks like, and when
- Foliage
- Evergreen
Who else benefits
- Pollinator value
- low
- Deer
- Not rated
- Colorado native
- No
Also worth knowing
- Fire rating
- Ignitable (CSU): keep 30+ ft from the house, thinned
Common problems on the Front Range
- Mountain pine beetle in drought-stressed pines
- Pine wilt nematode (esp. Scots and Austrian pine)
- Pine needle scale
These are general tendencies for this group of plants on the Front Range, not a diagnosis. Many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or your local CSU Extension office.
Frequently asked questions
- Is Bosnian Pine (species) good for the Colorado Front Range?
- Yes, Bosnian Pine (species) is a well-suited tree for Colorado's Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List.
- How big does Bosnian Pine (species) get?
- It matures to about 30 to 50 ft tall and 15 to 25 ft wide.
- How much room does Bosnian Pine (species) need?
- Give Bosnian Pine (species) about 25 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
- What shape does Bosnian Pine (species) grow into?
- Bosnian Pine (species) typically grows into a pyramidal, conical outline that is widest at the base. This is the species' usual mature form, named cultivars (columnar, weeping, or compact selections) can differ, so check the specific cultivar.
- Is Bosnian Pine (species) hardy on the Front Range?
- Bosnian Pine (species) is hardy in USDA 3 to 7. The Colorado Front Range spans roughly USDA 4b to 6a, so it is well within range.
- How much water does Bosnian Pine (species) need?
- It needs medium water once established.
- How fast does Bosnian Pine (species) grow?
- Bosnian Pine (species) is a slow-growing tree. Growth rate depends on water and site conditions on the Front Range.
- How long does Bosnian Pine (species) live?
- Bosnian Pine (species) is long-lived, a multi-generational tree given good siting and care. Actual lifespan varies with site, water, and care.
- Is Bosnian Pine (species) native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Bosnian Pine (species) a good firewise plant near the house?
- Bosnian Pine (species) is listed by CSU Extension among the more ignitable plants, so keep it 30 or more feet from the house and keep it thinned and well maintained. This is general guidance based on CSU Extension Fact Sheet 6.305 (2025), not a guarantee that any plant won't burn, a well-irrigated, well-maintained plant is the goal. Follow CSU Extension defensible-space guidance and check with your local fire district before planting in the wildland-urban interface.
- Is Bosnian Pine (species) prone to pests or disease on the Front Range?
- Bosnian Pine (species) can be affected by mountain pine beetle in drought-stressed pines and other issues common to this group on the Front Range. These are general tendencies, not a diagnosis, many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or CSU Extension.
