BLUE SPRUCE (COLORADO)

Plant Name: Blue Spruce

Scientific Name: Picea pungens ‘Glauca’ — Colorado Blue Spruce, Blue Spruce

Mature Height: 40–60 ft

Mature Spread: 20–30 ft

Growth Rate: Slow to moderate (6–12 in/year)

Sun: Full sun

Water: Moderate; 5–10 gal per watering while establishing, 2–3 times/week in hot, dry weather; 10–20 gal per watering once established during hot, dry periods

Foliage: Stiff, sharp, silvery-blue to blue-gray needles; evergreen

Fall Color: Retains blue-gray foliage year-round

Flower Color: Inconspicuous

Bloom Time: Spring

Fruit: Oblong, light-brown cones, approximately 2–4 in. long

Hardiness Zones: 2–7 (−50°F to 10°F)

Features: Dense pyramidal form; striking blue foliage; cold hardy; excellent specimen or screening tree

Additional Facts: Native to the Rocky Mountains and best adapted to cool climates with adequate moisture. In the Prescott area, deep irrigation during hot, dry periods and protection from extreme heat can improve performance.