Black Hills 'Densata' Spruce
Picea glauca
Black Hills 'Densata' Spruce (Picea glauca) is a tree suited to the Colorado Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List. It matures to about 25–40 ft tall and 15–20 ft wide, slow-growing, needs medium to high water, and prefers full sun to partial shade.
medium to high water25–40 ft tall and 15–20 ft wideDeer-resistant
Photos
- Photo 1: (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman
- Photo 2: (c) Heather Mazzaccaro, some rights reserved (CC BY)
At a glance
Will it survive here?
- Hardiness zones
- USDA 2–6
- Water needs
- medium to high water
- Sun
- Best in full sun; tolerates partial shade.
- Soil
- clay, loam, sandy
- Soil pH
- 6.0–8.2
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Tolerates
- Cool north foundations
How big, what shape?
- Mature size
- 25–40 ft tall and 15–20 ft wide
- Mature form
- Pyramidal
- Spacing / clearance
- ~20 ft of clearance
- Growth rate
- Slow
- Lifespan
- Long-lived
What it looks like, and when
- Foliage
- Evergreen
Who else benefits
- Pollinator value
- low
- Deer
- Generally deer-resistant
- Colorado native
- No
Common problems on the Front Range
- Spruce ips beetle in stressed trees
- Spruce spider mite on hot, dry sites
- Cytospora canker on lower branches
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 Black Hills 'Densata' Spruce good for the Colorado Front Range?
- Yes, Black Hills 'Densata' Spruce is a well-suited tree for Colorado's Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List.
- How big does Black Hills 'Densata' Spruce get?
- It matures to about 25–40 ft tall and 15–20 ft wide.
- How much room does Black Hills 'Densata' Spruce need?
- Give Black Hills 'Densata' Spruce about 20 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
- What shape does Black Hills 'Densata' Spruce grow into?
- Black Hills 'Densata' 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 Black Hills 'Densata' Spruce hardy on the Front Range?
- Black Hills 'Densata' 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 Black Hills 'Densata' Spruce need?
- It needs medium to high water once established.
- How fast does Black Hills 'Densata' Spruce grow?
- Black Hills 'Densata' Spruce is a slow-growing tree. Growth rate depends on water and site conditions on the Front Range.
- How long does Black Hills 'Densata' Spruce live?
- Black Hills 'Densata' Spruce is long-lived, a multi-generational tree given good siting and care. Actual lifespan varies with site, water, and care.
- Is Black Hills 'Densata' Spruce native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Black Hills 'Densata' Spruce deer-resistant?
- Black Hills 'Densata' Spruce is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
- Is Black Hills 'Densata' Spruce prone to pests or disease on the Front Range?
- Black Hills 'Densata' 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.
