The Cedrus atlantica ‘Glauca’, commonly known as the Blue Atlas Cedar, is a striking evergreen conifer prized for its steel-blue needles and strong architectural form. This majestic tree adds year-round color and structure to landscapes and is often used as a specimen tree in large gardens, parks, and estates. Native to the mountains of North Africa, Blue Atlas Cedar thrives in sunny locations with well-drained soil and becomes increasingly dramatic as it matures.
Common Name: Blue Atlas Cedar
Family: Pinaceae
Type: Needled Evergreen Conifer
Zone: 6 to 9
Height: 40-60ft
Spread: 30-40 ft
Growth Rate: Slow
Sun: Full Sun
Water: Medium; drought tolerant once established
Soil: Prefers moist, deep, well-drained loamy soil but tolerates clay
Maintenance: Medium
Foliage: Blue-green to silver-blue needles
Flowers: Non-flowering; cones
History
The Blue Atlas Cedar, Cedrus atlantica ‘Glauca’, originates from the wild species Cedrus atlantica, a true cedar native to the Atlas Mountains of Morocco and Algeria. In its natural habitat, the tree grows in high-elevation mountain forests where winters can be cold and snowy while summers are dry. These conditions helped shape the species into a hardy, long-lived conifer capable of tolerating drought and poor soils once established.
During the 1800s, European botanists and plant collectors exploring North Africa began sending seeds of Atlas cedar back to botanical gardens and nurseries in Europe. The species quickly gained popularity for its stately form and adaptability to temperate climates. Among the cultivated trees, horticulturists noticed some individuals with unusually silvery-blue foliage, which led to the selection of the ornamental cultivar ‘Glauca’.
By the late 19th century, seeds and young plants were being exported across the Atlantic and introduced to landscapes in the United States. Blue Atlas Cedar became especially popular in large estate gardens, parks, and arboretums where its dramatic color and strong structure made it an ideal specimen tree. Today, it remains one of the most widely planted ornamental conifers in North American landscapes.
Establishing your Tree
Cedrus atlantica ‘Glauca’ is relatively low-maintenance once established. It is best to plant it in a location with full sun and well-drained soil, allowing plenty of space for its mature size. Young trees benefit from regular watering during the first few years, but established trees are fairly drought tolerant. Pruning is rarely required and is typically limited to removing dead, damaged, or crossing branches. Avoid heavy pruning, as the tree maintains its best natural shape when left largely untouched. Mulching around the base can help retain soil moisture and protect roots, but mulch should be kept away from the trunk to prevent rot.
Possible Disease and Issues
Cedrus atlantica ‘Glauca’ is generally hardy, but a few issues can affect its health. One common problem is tip blight, a fungal disease that can cause browning of new shoots. Winter damage is also possible, especially in young trees exposed to harsh winds or extremely cold temperatures, which can lead to browning or branch dieback. Heavy snow or ice can break branches, particularly in older or densely branched specimens.
Preventative measures include planting the tree in a sheltered location with full sun and well-drained soil, avoiding overhead watering that can encourage fungal growth, and keeping the canopy open by removing dead or crossing branches to improve air circulation. For snowy regions, gently brushing heavy snow off branches can help prevent breakage. Regular monitoring for early signs of disease or damage allows intervention before problems become severe, keeping the tree healthy and visually striking for decades.
Overall Appeal
Cedrus atlantica ‘Glauca’ is an exceptional choice for landscapes that need year-round color, structure, and visual impact. Its striking silvery-blue needles provide a unique contrast against green lawns and other evergreens, while its strong, architectural form adds elegance to gardens, parks, and large estates. Once established, the tree is drought tolerant and long-lived, making it a low-maintenance option for a statement specimen. Beyond aesthetics, it also serves as a focal point or backdrop for other plantings, offering seasonal interest and a sense of permanence. For gardeners seeking a tree that combines beauty, resilience, and dramatic presence, Blue Atlas Cedar is a standout choice.
For those looking to add the striking Cedrus atlantica ‘Glauca’ to their landscape, we carry a full range of sizes to fit any project. Our stock includes trees from 6 feet to 12 feet tall, as well as all sizes in between, allowing you to select the perfect specimen for your space. Whether you’re planting a young tree to grow over time or installing a mature specimen for immediate impact, we have options ready to meet your needs.
