University of Illinois Extension - Selecting Trees for Your Home
http://www.urbanext.uiuc.edu/treeselector
http://www.urbanext.uiuc.edu/treeselector
Colorado Spruce
Picea pungens
Picea pungens
2 pictures total.
Colorado Spruce form
Size:
Small
Medium
Large
Exposure/ Light Requirements:
Full Shade
Full Sun
Partial Sun/Shade
Pests and Problems:
Fungal Disease
- Cytospora Canker of Spruce (Leucostoma kunzei (Cytospora kunzei))
- Gray Mold [Trees and Shrubs] (Botrytis cinerea and other species)
- Rhizosphaera Needle Cast (Rhizosphaera kalkhoffii)
- Wood Rots and Decays (Many genus and species involved)
Insect Damage
- Northern Pine Weevil (Pissodes approximatus)
- Spruce Bud Scale (Physokermes piceae)
- Spruce Gall Adelgids (Adelges cooleyi, Adelges abietis)
- Spruce Needle Miner (Endothenia albolineana)
Insect Relative Damage
| Hardiness Zone: | 3 - 7 |
| Mature Height: | 30-60 Feet |
| Features: | Evergreen needles; dense habit. |
| Culture: | Full sun; moist, well drained soils; tolerates dry sites. |
| Cultivars: |
Forma gluaca is the most popular one sold, the Blue Colorado Spruce; it has blue-green needles. |
| Mature Form: | Pyramidal, with stiff, horizontal branches. |
| Native To: | United States |
| Soil Conditions: |
 DryMoist, Well-DrainedWet
|
| Tolerance: |
Alkaline Soil
Dry SitesSalt
Soil Compaction
Wet Sites
Wind |
| Uses: |
Barrier
Border
Foundation
Hedge
Massing
Naturalizing
Screen
Specimen
|
| Foliage Color: |
Green |
| Fall Foliage Color: |
Green |
| Additional Notes: |
