The common Blue Spruce that's a prized lawn specimen and one of the most popular ornamentals.
In the wild, this tree often reaches 23 m (75') in height - although in the home landscape, 15-20 m (50-66') is a more typical height range. This tree is often used in the live potted Christmas tree trade. This evergreen is one of the most popular ornamental trees for the home landscape. Colorado Blue Spruce typically do best in full sun with a moist, fertile soil. This is another evergreen that deer rarely attempt to browse. 175 seeds/gram
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How To Grow
175 seeds/gram. Stratification of tree seed occurs naturally outdoors through the winter. Sowing tree seeds outdoors in the fall takes advantage of this natural effect. To stratify indoors, mix the seed with a moistened, sterile, peat based soil in a container, wrap in a ventilated bag, and place it in a refrigerator for 12 to 20 weeks. In the spring plant seeds into a sheltered spot outside to grow into seedlings. Transplant to permanent site when well rooted.
Start Indoors or Sow Direct in Fall
Very Tall %2815 to 20 m%29%2850 to 66%27%29
Degree of Difficulty
Picea pungens glauca
Live potted Christmas tree.
Useful ornamental tree where deer browsing is a problem.
Many plants produce seed that is viable but dormant. This means that while the seed has all the internal structures and nutrients required to germinate, the seed coat is so hard, water cannot pass through it and initiate germination. When seed is in this state, it is known as being dormant. Seed dormancy is a naturally selected for trait that protects the seed of many plants allowing them to safely overwinter and then be ready to sprout in more favourable conditions in spring.
The remedy to naturally breaking seed dormancy is typically the passing of time. In particular, seed overwintering outside and experiencing the natural freeze thaw cycles that occur in late fall, winter and early spring. To artificially break seed dormancy, sow the seed in a soil-less mix, water than chill in a refrigerator for a set period of time. This dormancy breaking process is called stratification.