Trees

Spruce, Colorado Blue Picea pungens

A magnificent sight of silver blue-green spruce. Rated one of the most popular evergreens. It grows well while young and matures at 50-75'; 10'-20' spread in the landscape, up to 135' and 35' spread in the wild. (zones 2-7)

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Zones 2 - 7
Zones 2 - 7

Hardiness Zones: Zones 2 - 7
The Colorado Blue Spruce can be expected to grow in the zones shown in color in the arborday.org zone map. VIEW MAP

Evergreen
Evergreen

Type of tree:
The Colorado Blue Spruce falls into the following type(s): Evergreens

50' - 75' High
50' - 75' High

Mature Height:
The Colorado Blue Spruce grows to be 50' - 75' feet in height.

10' - 20' Spread
10' - 20' Spread

Mature Spread:
The Colorado Blue Spruce has a spread of about 10' - 20' at full maturity.

Slow to Medium Growth
Slow to Medium Growth

Growth Rate:
This tree grows at a slow to medium growth rate. [More about this.]

Full Sun
Full Sun

Sun:
This spruce does well in full sun.

Various Soils
Various Soils

Soil:
The Colorado Blue Spruce grows in acidic, drought tolerant, loamy, moist, rich, sandy, well drained, wet, wide range, clay soils.

Columnar Shape
Columnar Shape

Shape:
This spruce has columnar, pyramidal shape.

More Info
More Info

Attributes:
The Colorado Blue Spruce tree is one of our most popular ornamental conifers. It has many attributes that make it suitable for yards: magnificent color, conical shape when young, adaptability to soil conditions, and a root system that makes it more wind firm than any other western Spruce. It is an excellent border tree that provides year 'round screening as well as a protective summertime nesting opportunity for many songbirds.

Description:
A magnificent sight of silver blue-green spruce. Rated one of the most popular evergreens. It grows well while young and matures at 50-75'; 10-'20' spread in the landscape, up to 135' and 35' spread in the wild. (zones 2-7)

Wildlife Value:
The Colorado Blue Spruce provides food and shelter for siskins, nuthatches, and crossbills. Browsers such as deer will often eat the foliage.

History/Lore/Use:
The Colorado Blue Spruce tree is such a delight that nature seems to have kept it a well-guarded secret for a very long time. It was not until 1862 that this spectacular species was discovered growing in the enchanted meadows and stream sides of the high Rocky Mountains. Once found, the fame of the Blue Spruce spread quickly and today it is one of our most widely planted landscape trees. When writing in "Handbook on Conifers" in 1969, Henry Tuescher, curator emeritus of the Montreal Botanical Garden, called the Colorado Blue Spruce tree one of the five finest conifers. Tuescher gave no reasons for this honor except for the tree's exceptional beauty.

Moisture:
Requires normal moisture with moderate tolerance to flooding and drought.

Leaves:
The needles are stiff, prickly and about 1 to 1-1/2 inches in length. They surround the branch at nearly right angles and are usually silvery to blue-green, but occasionally the blue is absent.

Flower Color:
Green; orange; purple; nondescript.

Bloom Time:
April-May.

Fruit Description:
Light brown, 3 to 4 inch cones which hang downward on the branches and are concentrated in the upper crown.