Eastern White Pine
Pinus strobus
Eastern White Pine (Pinus strobus) is a tree suited to the Colorado Front Range, rated "Conditionally Recommended" on the 2024 Front Range Tree Recommendation List. It matures to about 50 to 80 ft tall and 25 to 40 ft wide, slow-growing, needs medium water, and prefers full sun. Iron chlorosis is common in our alkaline soils.
medium water50 to 80 ft tall and 25 to 40 ft wide
Photos
- Photo 1: no rights reserved, uploaded by Carter Dorscht
- Photo 2: (c) Forest and Kim Starr, some rights reserved (CC BY)
- Photo 3: (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman
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
- 50 to 80 ft tall and 25 to 40 ft wide
- Mature form
- Pyramidal
- Spacing / clearance
- ~40 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
Site factors to consider
- Critical: Soil ChemistryOur alkaline clay locks up iron for this one, so leaves often yellow between green veins and growth stalls unless you treat it.
- Critical: Cold HardinessThe average low suits it fine; our real cold risk is the swings, late frosts, and intense winter sun, so wrap young trunks and give it shelter.
- Watch: Leaf ScorchIts leaf edges brown in hot, dry wind, so give it steady summer water and some shelter from the worst afternoon blast.
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 Eastern White Pine good for the Colorado Front Range?
- Yes, Eastern White Pine is a well-suited tree for Colorado's Front Range, rated "Conditionally Recommended" on the 2024 Front Range Tree Recommendation List.
- Why is Eastern White Pine only conditionally recommended on the Front Range?
- The main catches here: Our alkaline clay locks up iron for this one, so leaves often yellow between green veins and growth stalls unless you treat it. The average low suits it fine; our real cold risk is the swings, late frosts, and intense winter sun, so wrap young trunks and give it shelter.
- How big does Eastern White Pine get?
- It matures to about 50 to 80 ft tall and 25 to 40 ft wide.
- How much room does Eastern White Pine need?
- Give Eastern White Pine about 40 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
- What shape does Eastern White Pine grow into?
- Eastern White Pine 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 Eastern White Pine hardy on the Front Range?
- Eastern White Pine is hardy in USDA 3 to 7. The Colorado Front Range spans roughly USDA 4b to 6a, so it is well within range. That said, it carries a cold-hardiness caution: The average low suits it fine; our real cold risk is the swings, late frosts, and intense winter sun, so wrap young trunks and give it shelter.
- How much water does Eastern White Pine need?
- It needs medium water once established.
- How fast does Eastern White Pine grow?
- Eastern White Pine is a slow-growing tree. Growth rate depends on water and site conditions on the Front Range.
- How long does Eastern White Pine live?
- Eastern White Pine is long-lived, a multi-generational tree given good siting and care. Actual lifespan varies with site, water, and care.
- Is Eastern White Pine native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Eastern White Pine a good firewise plant near the house?
- Eastern White Pine 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 Eastern White Pine prone to pests or disease on the Front Range?
- Eastern White Pine 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.
