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Colorado Spruce


Latin Name: Picea pungens


Family: Pinaceae

Native Range: Native to Rocky Mountain region of United States

Seed Source: Colorado spruce shelterbelt, near Indian Head Saskatchewan.

Height and Spread: 18m x 8m

Overview: The seed is characterized by a high percentage silvery blue needle coloured seedlings, an upright crown form, cold and drought hardinessand adaptability to a wide range of growing conditions in the aspen parkland.

Seeds: dark brown, winged 2-4 mm long.


Stratification:No stratification required. Water soak 24 hours before sowing.

Ideal sowing time: Spring; Non-pretreated seed outdoors in May.

Sowing instructions: Sow 1.0 cm deep, 50 seeds/meter; Greenhouse - sow 3 seeds per cell.

Growing conditions: Colorado spruce grows on a wide variety of soils but favors loamy soils with a pH of 5.0 to 7.0. It is shade tolerant but grows best in a sunny exposure.

Agroforestry Value

Colorado spruce is used infarmstead shelterbelts. The dense shallow roots make it useful for soil stabilization and erosion control on moist sites. Its dense coniferous crown provides excellent habitat for songbirds and thermal cover for mammals.The silvery blue foliage make this seed-propagated cultivar aesthetically pleasing.