• three cool silver blue colorado blue spruces in the landscape with evergreen backdrop
  • a forest of established Colorado Blue Spruces
  • dense Colorado Blue Spruce tree surrounded by green and yellow evergreens
  • close up picture of a young Colorado Blue Spruce in a 3 gallon nursery pot
  • close up view of the cool green-blue needles of the colorado blue spruce tree

Images Depict Mature Plants

Colorado Blue Spruce

Picea pungens

The Colorado Blue Spruce offers striking silvery-blue needles and a dense, pyramidal form, providing year-round color and texture to any landscape. Ideal for use as a specimen tree, windbreak, or natural privacy screen, this hardy evergreen is perfect for adding structure and enhancing visual interest in larger gardens.

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Colorado Blue Spruce Trees for Sale Online

The Colorado Blue Spruce (Picea pungens) is a striking evergreen tree known for its stunning silvery-blue needles and stately, pyramidal shape. This conifer is a favorite choice for adding year-round color and texture to landscapes, with its vibrant blue-green foliage that provides a unique contrast to other plants in the garden. The dense, stiff branches of the Colorado Blue Spruce make it an excellent windbreak, privacy screen, or a focal point in the landscape. Hardy in USDA Hardiness Zones 2-7, the Colorado Blue Spruce is well-suited to withstand cold temperatures, making it a popular choice for colder climates and high-altitude locations where other trees may struggle.

Reaching a mature height of 30 to 60 feet with a spread of 10 to 20 feet, the Colorado Blue Spruce is an excellent choice for large landscapes, parks, and as a statement tree in front yards. Its symmetrical growth habit and dense branching pattern make it a visually appealing addition to any garden, whether used as a specimen plant or in group plantings for a natural privacy barrier. In addition to its ornamental value, the Colorado Blue Spruce provides shelter and nesting sites for birds and other wildlife, making it an excellent addition for enhancing biodiversity in your landscape.

Colorado Blue Spruce is relatively low-maintenance, thriving in full sun and preferring well-drained, slightly acidic soil. It is drought-tolerant once established, but young trees benefit from regular watering during dry periods to help their root systems grow strong. This conifer also has good resistance to deer and other browsing animals, which makes it an excellent choice for gardens that experience frequent wildlife activity. With its stunning silvery-blue color, robust growth habit, and year-round visual appeal, Colorado Blue Spruce is an ideal addition for creating a majestic and resilient landscape.


Growzone: 2-7 Colorado Blue Spruce Hardiness Zones 2-7
Hardiness Zone: 2-7
Mature Height: 30 to 60 Feet
Mature Width: 10 to 20 feet
Classification: Conifer / Evergreen
Sunlight: Partial to Full Sun
Habit: Densely branched, Cone Shaped
Foliage: Silvery-Blue Green
Pruning Season: Prune in late spring to maintain shape
Soil Condition: Any well drained soil
Water Requirements: Water well until established
Uses: Extremely attractive when used as in the mixed border, foundations, or planted in mass

How to Care for Colorado Blue Spruce

Be sure to read our planting instructions to ensure a healthy and happy Colorado Blue Spruce for years to come!

How do I Plant A Colorado Blue Spruce Tree?

How do I Plant A Colorado Blue Spruce Tree?

To plant a Colorado Blue Spruce tree, start by choosing a location that offers full sun, as this conifer thrives in bright light and requires at least six hours of direct sunlight each day for optimal growth. This spruce prefers well-drained, slightly acidic soil but can tolerate a range of soil types, including loamy and sandy soils. Begin by digging a hole that is twice as wide as the root ball and just as deep, providing plenty of space for the roots to spread and establish. Place the tree in the hole, ensuring the top of the root ball is level with or slightly above the surrounding soil. Backfill with the original soil, firming it gently to eliminate air pockets, and water thoroughly to help the roots settle. Spacing Colorado Blue Spruce trees 10-15 feet apart is recommended if planting multiple trees for a windbreak or privacy screen. After planting, it's important to provide consistent moisture, especially during the first growing season, to help establish a strong root system. Water the tree deeply once or twice a week, depending on weather conditions, ensuring that the soil stays moist but not waterlogged. Adding a 2-3 inch layer of organic mulch around the base of the tree helps retain moisture, regulate soil temperature, and prevent weed competition. Keep the mulch a few inches away from the trunk to prevent rot and promote proper airflow. Colorado Blue Spruce is a hardy and low-maintenance tree once established, requiring minimal care beyond occasional watering during extended dry periods. With proper planting and care, your Colorado Blue Spruce will grow into a stunning, long-lasting addition to your landscape, providing year-round color, privacy, and shelter for wildlife.

How Do I Water a Colorado Blue Spruce Tree?

How Do I Water a Colorado Blue Spruce Tree?

Watering a Colorado Blue Spruce tree properly is crucial to ensure its healthy establishment and long-term growth. During the first year after planting, it's essential to provide consistent moisture to help the tree establish a strong root system. Water deeply once or twice a week, depending on rainfall and temperature, making sure the top 6-8 inches of soil stay moist. Deep watering encourages the roots to grow downward, which increases the tree's drought tolerance in the future. The best method for watering is to use a soaker hose or a slow trickle of water at the base of the tree to allow the moisture to penetrate deeply into the soil without runoff. Watering should be done in the early morning or late evening to minimize evaporation and allow the water to soak in properly. Once established, Colorado Blue Spruce trees are relatively drought-tolerant, but they still benefit from supplemental watering during prolonged dry spells, particularly in hot summer months. It's important to maintain consistent soil moisture without letting the soil become waterlogged, as overly wet conditions can lead to root rot and other health issues. Applying a 2-3 inch layer of organic mulch around the base of the tree helps retain soil moisture, reduce evaporation, and keep the roots cool during warmer periods. However, ensure the mulch is kept a few inches away from the trunk to prevent disease. By providing proper watering during both the establishment phase and throughout its life, you can help your Colorado Blue Spruce thrive and maintain its vibrant blue-green color, making it a beautiful and resilient addition to your landscape.

How Do I Fertilize a Colorado Blue Spruce Tree?

How Do I Fertilize a Colorado Blue Spruce Tree?

Fertilizing a Colorado Blue Spruce tree is an important part of maintaining its vibrant blue needles and promoting healthy growth. The best time to fertilize is in early spring, just before new growth begins. Use a slow-release, balanced fertilizer, such as a 10-10-10 or 12-12-12 formula, which provides the essential nutrients the tree needs throughout the growing season. Spread the fertilizer evenly around the base of the tree, starting a few inches from the trunk and extending to the drip line. This ensures that the nutrients reach the entire root zone without causing root burn. Always follow the recommended application rate on the fertilizer label to prevent over-fertilization, which can lead to weak growth and increase the risk of pests and diseases. In addition to using a balanced fertilizer, consider supplementing with organic matter, such as compost or well-rotted manure, to improve soil structure and nutrient availability. This organic approach helps maintain a healthy balance in the soil, providing the Colorado Blue Spruce with the nutrients it needs without overburdening it with chemicals. For mature trees, fertilizing once every two to three years is generally sufficient, as established Colorado Blue Spruce trees are relatively low-maintenance and resilient. Be sure to water the area thoroughly after fertilizing to help the nutrients penetrate the soil and be absorbed by the roots. Proper fertilization will support the overall health of your Colorado Blue Spruce, encouraging robust growth, improved disease resistance, and a brilliant blue hue that enhances your landscape all year round.

How Do I Prune a Colorado Blue Spruce Tree?

How Do I Prune a Colorado Blue Spruce Tree?

Pruning a Colorado Blue Spruce tree is essential to maintain its shape, promote healthy growth, and remove any dead or damaged branches. The best time to prune a Colorado Blue Spruce is in late winter or early spring while the tree is still dormant and before new growth begins. Start by removing any dead, diseased, or broken branches to improve the tree's overall health and appearance. Use clean, sharp pruning shears or loppers to make precise cuts just outside the branch collar to ensure proper healing and minimize the risk of disease. Avoid cutting too close to the trunk, as this can harm the tree and create entry points for pests and diseases. Light pruning may also be done in late spring or early summer to shape the tree and control its growth, especially if it is being used as a landscape focal point or in a formal setting. Focus on pruning back any branches that are growing too vigorously and disrupting the tree's natural pyramidal shape. Be careful not to remove more than one-third of the tree's total foliage at any time, as this could stress the tree and slow its growth. Unlike other ornamental trees, Colorado Blue Spruce does not respond well to severe pruning or cutting back to old wood, so always focus on maintaining its natural form with minimal intervention. By properly pruning your Colorado Blue Spruce, you will ensure it remains a healthy, beautiful centerpiece in your landscape, showcasing its iconic blue-green needles and structured growth habit.


Frequently Asked questions

do Colorado Blue Spruces Grow in the Wild?


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