Picea, Colorado Spruce 'Kosteri Blue' (Large)
- Sun Preference
- Full-Sun
As low as $0.00
Description
A beautiful evergreen tree with silvery blue foliage all season long on a tall and open pyramidal form, retains its color well throughout the season; great for adding some definition to the landscape skyline or as a colorful large accent tree
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Details
Height: 45 feet
Spread: 20 feet
Sunlight: 
Hardiness Zone: 2b
Other Names: Blue Colorado Spruce;Colorado Blue Spruce
Description:
A beautiful evergreen tree with silvery blue foliage all season long on a tall and open pyramidal form, retains its color well throughout the season; great for adding some definition to the landscape skyline or as a colorful large accent tree
Ornamental Features:
Koster's Blue Spruce has attractive silvery blue foliage. The needles are ornamentally significant but remain silvery blue through the winter. Neither the flowers nor the fruit are ornamentally significant. The rough gray bark adds an interesting dimension to the landscape.
Landscape Attributes:
Koster's Blue Spruce is an evergreen tree with a strong central leader and a distinctive and refined pyramidal form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.
This is a relatively low maintenance tree. When pruning is necessary, it is recommended to only trim back the new growth of the current season, other than to remove any dieback. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.
Koster's Blue Spruce is recommended for the following landscape applications;
- Vertical Accent
- Accent
- Windbreaks and Shelterbelts
Plant Characteristics:
Koster's Blue Spruce will grow to be about 45 feet tall at maturity, with a spread of 20 feet. It has a low canopy, and should not be planted underneath power lines. It grows at a medium rate, and under ideal conditions can be expected to live for 80 years or more.
This tree should only be grown in full sunlight. It is very adaptable to both dry and moist growing conditions, but will not tolerate any standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for xeriscaping or the moisture-conserving landscape. It is not particular as to soil type or pH, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments.
This is a selection of a native North American species.
| SKU | Container Size |
| E1988.5 | #20 Container (20 Gallon) |
* Not all container sizes may be available at this time. See store for details on specific container size availability.
More Information
| Available for Pre-Order | No |
|---|---|
| Tree Type | Evergreen |
| Sun Preference | Full-Sun |
| USDA Hardiness Zone | 2, 3, 4, 5, 6, 7 |
| Common Family Name | Spruce |