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Engleman Spruce

Picea engelmannii

Compiled by · Reviewed against the 2024 Front Range Tree Recommendation List, CSU Extension & Plant Select® · Updated 2026-07-03

Engleman Spruce (Picea engelmannii) is a Colorado-native tree suited to the Colorado Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List. It matures to about 40–60 ft tall and 20–30 ft wide, slow-growing, needs medium to high water, and prefers full sun to partial shade.

Site fitRecommended for Most Sites
Colorado nativemedium to high water40–60 ft tall and 20–30 ft wideDeer-resistant

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At a glance

Rating
Recommended for Most Sites
Botanical name
Picea engelmannii
Variety / cultivar
Engleman Spruce
Type
Tree
Mature size
40–60 ft tall and 20–30 ft wide
Mature form
Pyramidal
Spacing / clearance
~30 ft of clearance
Hardiness zones
USDA 2–6
Growth rate
Slow
Lifespan
Long-lived
Water needs
medium to high water
Sun
Best in full sun; tolerates partial shade.
Colorado native
Yes
Foliage
Evergreen
Soil
clay, loam, sandy
Soil pH
6.0–8.2
Hail tolerance
high
Wind tolerance
high
Salt tolerance
moderate
Pollinator value
low
Tolerates
Cool north foundations

Wildlife & ecology

Pollinator value
low
Deer
Generally deer-resistant
Native ecoregion
montane

Common problems on the Front Range

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 Engleman Spruce good for the Colorado Front Range?
Yes, Engleman Spruce is a well-suited tree for Colorado's Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List.
How big does Engleman Spruce get?
It matures to about 40–60 ft tall and 20–30 ft wide.
How much room does Engleman Spruce need?
Give Engleman Spruce about 30 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
What shape does Engleman Spruce grow into?
Engleman Spruce 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 Engleman Spruce hardy on the Front Range?
Engleman Spruce is hardy in USDA 2–6. The Colorado Front Range spans roughly USDA 4b–6a, so it is well within range.
How much water does Engleman Spruce need?
It needs medium to high water once established.
How fast does Engleman Spruce grow?
Engleman Spruce is a slow-growing tree. Growth rate depends on water and site conditions on the Front Range.
How long does Engleman Spruce live?
Engleman Spruce is long-lived, a multi-generational tree given good siting and care. Actual lifespan varies with site, water, and care.
Is Engleman Spruce native to Colorado?
Yes. It is a Colorado native.
Is Engleman Spruce deer-resistant?
Engleman Spruce is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
Is Engleman Spruce prone to pests or disease on the Front Range?
Engleman Spruce can be affected by spruce ips beetle in stressed trees 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.

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See also

Related trees