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Spruce - Colorado Blue / Size 1
Colorado Blue Spruce

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*Availability Status : In stock & currently shipping
*Average Plant Shipping Size : 12" - 14" tall / Quart size rootball

*No Shipments to California, Alaska, or Hawaii

Our Price: $5.95

Product Code: SPRCOL1

Picea pungens glauca - Colorado Blue Spruce

Overall Description

Handsome ornamental specimen growing as tall as 80 - 100 ft in it's native habitat, but staying substantially smaller in cultivated landscape settings.. Has very stiff silvery-blue to green needles. Average soil, average moisture. Excellent specimen for use in a single planting, or a dense, colorful screen or windbreak. Silvery blue color tends to increase with maturity, and is enhanced when given soil with high organic content to grow in

Plant Facts & Specifications

--Mature Height : 40 - 60 ft avg ( up to 100 ft trees have been observed )

--Mature Width :
8 - 12 ft

--Growth Rate :
Moderate ( 3" - 6" per yr )

--Hardiness Zones :
3 - 8

--Sun Exposure :
Full sun preferred, to partial shade

--Soil Preference :
Average to slightly acidic - well drained. Prefers mulching or good organic content

--Foliage Color & Texture :
Evergreen - Stiff silvery blue needles averaging about 1" long. Foliage color in young seedlings tends to be much more of a blue green color, turning more silver blue with age & proper fertilization / mulching.

--Flower, Cone, Or Berry Facts :
Cones - thick, blunt, sturdy cones are formed each spring depending on pollination. Cones begin as a light green color, and then ripen to a mahogany brown color in fall. Cones contain winged seeds that are released once cones are fully ripened.

--Diseases / Insects :
Has been known to be slightly subject to spruce gall aphid, Adelges cooleyi, which causes tips of branches to die. Other possible problems have been reported from spruce budworm and spider mite. Cytospora canker may infect lower branches in older specimens.....especially in mass plantings where trees are too closely together.

--Recommended Spacing :
Spacing for typical windbreaks or privacy screens is 6 - 8 feet

--Deer Resistance Rating :
Lowest Resistance [ 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 ] Highest Resistance

--Fertilization / Feeding :
For maximum health & hardiness, we highly recommend a good grade granular ( preferably organic ) fertilizer / plant food for use with all of our plant species. We personally use, and recommend the Espoma line of organic plant foods, as they are super effective yet gentle enough to use on even the most delicate of evergreen species where fertilizer burn would normally be a major concern. However, a water soluble type plant food (Miracle Gro, or equivalent ) are also acceptable options. Other granular fertilizers with a 6 - 12 - 12, or 10 - 10 - 10 ratio can also be used - but we suggest using them at 1/2 - 3/4 strength to avoid any chemical burn issues to the root system of the plants. Best to fertilize in early spring, and again in mid fall - avoid feeding standard chemical fertilizers during hot summer months, and directly after transplanting. The Espoma Organic Plant Foods may be used at anytime.

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