The blue spruce (Picea pungens), also commonly known as green spruce, white spruce, Colorado spruce, or Colorado blue spruce, is a species of spruce tree. It is native to North America, and is found in USDA growing zones 1 through 7. It is found naturally in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming.
Where do blue spruce grow naturally?
Blue spruce is primarily native to the central and southern Rocky Mountains of the western United States. Its range extends from latitude 33° 50′ to 48° 54′ N.
What climate do spruce trees grow in?
They’re found in the northern temperate and boreal (taiga) regions of North America. Spruces can be distinguished from firs by their down-hanging cones.
Do blue spruce trees need a lot of water?
Blue Spruce Care Although Colorado blue spruce is more drought tolerant than other spruces, it does need consistent water (from rain or irrigation) to thrive. Water regularly during the first season or two while the tree roots are getting established, then as needed during dry periods.
What is the difference between a blue spruce and a Colorado blue spruce?
Blue spruce belongs to the species Picea pungens and is common in North America. It is also called Colorado spruce. Norway spruce belongs to the species Picea abies. It is native to Northern Europe and can also be found in the central and eastern parts of the continent.
How much space does a blue spruce need?
Colorado blue spruce is hardy in our region. Purchase trees from a local nursery or garden center. Plant trees in full sun from spring to summer in well-drained, slightly acidic, humus-rich, moist ground. Space specimen trees 20 to 30 feet apart.
How much is a 6 foot blue spruce?
Colorado Blue Spruce – InstalledHeight in feetPrice eachMinimum order6 – 7$179.95 each10 trees7 – 8$199.95 each10 trees8 – 9$249.95 each10 trees
Can I grow a blue spruce from a pine cone?
Place the cones in a paper sack and put them in a warm, well-ventilated room. Shake the sack every few days. When the cone is dry enough to release the seeds, you’ll hear them rattling around in the bag. Place the pine seeds in a resealable plastic bag and store them in the freezer for three months.
How much sun does a blue spruce need?
Light. Plant Colorado blue spruce trees in full sun, ensuring they get at least 6 hours of unfiltered sun per day.
What is the best time to plant blue spruce?
Unlike many plants, its best to plant blue spruce during the dormancy period of November to March. Planting during cold temperatures allows the blue spruce to develop roots for the spring season. Choose a site with full sun, loose draining soil, and plenty of elbow room.
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Can you plant a blue spruce next to your house?
This tree is way over planted and it is quite simply a problem tree. I would plant this particular tree species at least 20-25′ away from your house as it is my experience that most homeowners and landscapers tend to plant trees way too close to structures. Keep some distance!
Do spruce trees need full sun?
Sunlight: Plant your blue spruce in an area that it will get full sun, which is at least 6 hours of direct sunlight per day. When do blue spruce trees bud: Since blue spruces keep their needles year-round, there’s no set bud time.
Where do spruce trees grow best?
Growing White Spruce Trees The trees are hardy in USDA zones 2 through 6, and are very tough against cold winter weather and wind. They prefer full sun and do best with at least 6 hours of direct sunlight per day, but they are also very tolerant of shade.
How long does it take a blue spruce to grow?
The Colorado blue spruce grows at a slow to medium rate, according to the Arbor Day Foundation, although it picks up a bit as it gets older. This blue spruce grows from 12 to 24 inches a year. So it will require 30 to 60 years for a Colorado blue spruce to grow from seed to 60 feet tall.
What is blue spruce used for?
Uses: The Colorado blue spruce is most commonly used for windbreaks throughout the country. The thickness of the trees reduces wind velocities and can reduce soil erosion greatly. The Colorado blue spruce is not used to make lumber because of its knotty wood and weakness compared to other trees used for lumber.
Are there male and female blue spruce trees?
Reproduction. Conifers are monoecious. This means that there are male cones and female cones on the same tree.
Are spruce trees in the pine family?
To most people, ‘conifer’ and ‘pine tree’ are synonymous. There is some rationale for this, as the pine family is the largest conifer family and what we call pines, firs and spruces are all pine family members.
What evergreen tree grows fastest?
Which evergreens grow the fastest? Eastern white pine and green giant arborvitae are some of the fastest-growing evergreens. Each add on about 2 feet every year!
How do I make my blue spruce more blue?
Apply a chelated iron-rich fertilizer if a blue spruce develops a yellow or yellow-green color. A shortage of iron will cause the needles of a blue spruce to lose their blue coloration. The fertilizer will replace the depleted iron and help the needles regain their blue color.
How deep are the roots of a blue spruce?
According to the U.S. Forest Service, blue spruce trees develop shallow roots after seed germinate, perhaps only 2 to 3 inches deep. This reveals that this tree species grows with a spreading, shallow root system.
How fast does spruce trees grow?
While the majority of these coniferous tree species have a fairly unremarkable average growth rate (between 6 inches and 11 inches per year), the Sitka spruce (Picea sitchensis), Norway spruce (Picea abies) and Colorado blue spruce (Picea pungens glauca) are renowned for their extraordinarily fast rates of growth.
How hardy are blue spruce trees?
Colorado Blue Spruce Planting Guide Colorado blue spruce grows best in a sunny location with moist, well-drained, fertile soil. It tolerates dry wind and can adapt to dry soil. The tree is hardy in USDA plant hardiness zones 3 through 7.
Are blue spruce tree roots invasive?
Depending upon the size of your spruce, you’ll find most of the roots in the top 12-18″ of soil, extending out at least as far as the branch tips. … Typically the roots are not invasive, but it depends upon how close the tree is planted to them.
How long do blue spruce trees last?
Lifespan. In the wild, the Colorado blue spruce can live 200 years or more. In the home landscape, it usually stays healthy for about 40 to 60 years, after which its health begins to fail, according to Northern State University.
Can blue spruce grow in the shade?
Blue spruce prefer an organic, moist soil in full sun but are adaptable to different conditions. It is more drought tolerant than other Picea species. While blue spruce can tolerate some shade, disease incidence and severity increases with the amount of shade trees receive.
Do deer eat blue spruce trees?
The Colorado blue spruce (Picea pungens), white spruce (Picea glauca) and the lesser-known Serbian spruce (Picea omorika) are all categorized by Rutgers University as rarely damaged by deer.
Should I plant a blue spruce?
Bare root Colorado blue spruces should be planted while dormant so roots can become established before leaf and shoot growth begins. Late winter through early spring is best depending on your climate and ground thaw date. Bare root spruces can also be planted in very early fall.
Are there male and female spruce trees?
Each spruce tree carries male and female cones. The larger female cones contain ovules, which develop into egg cells, or female gametophytes. To reproduce, the smaller male cones let loose grains of pollen, which are the male gametophytes.
How do you start a Colorado blue spruce seed?
If you are sowing in plug trays, sow 2 or 3 seeds per cell. Cover the seeds with a couple of millimeters of vermiculite or failing that a fine layer of sieved compost. Follow with a gentle watering and keep them at room temperature. Germination will begin within a 10-14 days of sowing.
Do spruce trees produce fruit?
Spruce has many similarities to Eastern White Pine. I refer to these as hidden wild edibles because they are so large in size and common, but their edible components are not. Spruce has no berries, or tubers, or large leaves, so why is it such and important edible plant?
How much water does a blue spruce need?
Give the tree 1 to 3 inches of water every week, unless moisture comes in the form of rainfall. Watering deeply once or twice weekly is better than more frequent, shallow irrigation, as deep watering will develop long, healthy roots. Shallow roots will be more prone to damage from drought.
