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Spruce, Colorado Blue Picea pungens

Colorado Blue Spruce - Picea pungens
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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 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
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.
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.