A striking pyramidal spruce with stiff, sharply pointed steel-blue needles. A premium cool-climate feature tree valued for its intense silvery-blue colour and formal symmetry.
At a glance
- Plant type: Tree
- Mature size: 12 m H × 4 m W
- Aspect: full sun
- Water: regular, moderate watering
- Frost: hardy
- Maintenance: low maintenance
- Origin: Exotic
About Colorado Blue Spruce
Botanically, Picea pungens 'Glauca' is a slow-growing tree in the Pinaceae family. It reaches around 12 m tall and 4 m wide at maturity, with evergreen and silver-grey foliage.
Where to grow Colorado Blue Spruce
Colorado Blue Spruce suits cool-temperate climates and grows best in full sun. It is frost hardy and shrugs off cold winters.
Soil & planting
Colorado Blue Spruce does best in free-draining soil. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Colorado Blue Spruce is regular, moderate watering. A feed in spring with a balanced fertiliser keeps growth strong. In its first year, water deeply once or twice a week to settle the roots in, then taper off as it establishes.
Pruning & care
Tip-prune Colorado Blue Spruce in spring to maintain a dense, shapely habit. Overall it is low maintenance.
Using Colorado Blue Spruce in the garden
Colorado Blue Spruce earns its place for a feature or specimen planting.
Companion planting & design
For a cohesive, low-care bed, pair Colorado Blue Spruce with other plants that enjoy the same regular, moderate watering and cool-temperate climate. Repeat it through a border to tie the planting together and give a sense of rhythm.
Good to know
It is regarded as non-toxic and pet-safe.
Buying Colorado Blue Spruce
Plant Sale lists Colorado Blue Spruce as potted plants and advanced specimens. Stock isn't live yet — register your interest using the panel above and we'll email you the moment we have it ready.