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. Plant Colorado blue spruce in a hole that is as deep as the root ball and two or three times as wide.
How long does it take for a Colorado 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.
How do you care for a potted Colorado blue spruce?
Colorado Spruce growing in containers appreciate a moist but well-drained soil. Constantly soggy soil can and often will cause root rot or other harmful or deadly plant diseases. Therefore, when planting in a pot or other container, I recommend using a quality potting soil and a container with a drainage hole(s).
How do you grow Colorado spruce?
Plant Colorado blue spruce in a sunny spot that has rich, moist but well-drained soil. Dig a hole the same depth as the container and roughly 1.5 times as wide. Gently remove the plant from its pot, then use a sharp spade, planting knife or hand saw to shave off any outer circling roots.
Is a blue spruce a good tree to plant?
It grows slowly in a conical shape and produces small cones. The needles are stiff and sharp making this also a good tree to plant in hedges to keep out wildlife. It makes a nice living Christmas tree, as long as it’s planted into the ground right after the holiday. Colorado blue spruce is hardy in our region.
Do spruce trees need a lot of water?
Spruces create an extremely deep root system when watered deeply. In order to support large trees, the roots need to go deep into the soil to provide support. Waterings cannot be frequent and shallow, or roots will remain on the surface. … Tree roots follow the water.
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.
Can a blue spruce be grown in a container?
Choose a semi-dwarf blue spruce tree for containers. A container holding a blue spruce tree adds visual interest and texture to the garden and landscape. Plus, planting a blue spruce in a container gives you flexibility on where in the garden the tree will best grow since blue spruce requires full sun to partial shade.
How do you keep a blue spruce healthy?
Light and Water Needs. Colorado blue spruce thrives in full sun but also grows in partial shade. Once established, the tree needs a medium amount of water, with a deep soaking every two or three weeks. Even though the tree likes the soil to remain moist, especially while it’s still young, it’s also tolerant of drought.
How often should you water a newly planted blue spruce?
Generally, a newly planted tree should be watered every three to five days during the growing season, depending on weather and soil conditions. Remember that newly planted trees also need water during dry periods in the winter months. Try to water at least once a month in the dormant season.
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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.
Are blue spruce trees hard to grow?
Colorado blue spruces have a slow to medium growth rate. You can expect a height increase of less than 12 inches to 24 inches annually. In the wild, it can grow up to 75 feet. In parks and gardens, it typically grows 30 to 60 feet high and 15 to 20 feet wide.
Can you grow a spruce tree indoors?
Give your spruce full sun indoors and never allow the soil to go completely dry. You may wish to move your potted plant outdoors once the temperatures warm up. Another more commonly grown indoor conifer plant includes Japanese juniper bonsai.
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!
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.
How much is a 6 foot blue spruce?
Colorado Blue Spruce – InstalledHeight in feetPrice eachMinimum order5 – 6$159.95 each10 trees6 – 7$179.95 each10 trees7 – 8$199.95 each10 trees
Do Colorado blue spruce have pine cones?
Male cones are found on the entire tree, whereas the female cones are found at the top of the tree. This helps to facilitate cross-pollination. The specific epithet pungens means “sharply pointed”, referring to the leaves. The blue spruce is the state tree of Colorado.
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.
What is the best fertilizer for blue spruce trees?
Slow-release granular fertilizer is the best choice and should be used near the root zone. To prevent burning from the fertilizer, you want to add two inches of water around the trunk. These spruce trees do not need to be pruned. However, you can prune to promote a denser foliage.
How tall does a Colorado blue spruce get?
Colorado Blue SprucePicea pungens The Colorado blue spruce grows to a height of 50–75′ and a spread of 10–20′ at maturity.
Are blue spruce trees drought tolerant?
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.
What kills blue spruce trees?
By far the most common complaint of cultivated blue spruces is needle cast disease, mostly that caused by the fungus Rhizospaera kalkhoffii. It infects young needles and overwinters on living or recently killed foliage. During the growing season, the spores spread to other branches, or other trees, by splashing water.
Why is my Colorado blue spruce losing its needles?
The Colorado Blue Spruce often loses its rigid needles after wet seasons. The Rhizosphaera fungus, which thrives in the wet conditions, leads to the needle loss as it takes hold of the spruce. … A common symptom of Needle Cast disease is the needles changing color from green to violet and then brown.
Why is my blue spruce dying?
Blue spruce trees are susceptible to an infectious needle disease caused by the fungus Rhizosphaera. … Second-year needles turn a purple or brown color and eventually fall from the tree. After several successive years of needle loss branches may die. In general, trees appear to die from the bottom upward.
Can you keep a blue spruce small?
While not a true dwarf ornamental, the Baby Blue Eyes Spruce tree is the closest thing to a dwarf evergreen tree on the market today. A typical Colorado Blue Spruce will grow 50-75 feet tall and 20 feet wide. For homeowners with size constraints, this simply will not work.
How do you take care of a baby blue spruce?
Spring and fall are the best times to plant the Baby Blue Spruce. This blue spruce grows in full sun to part shade. It adapts well to any well-drained soil. Water your newly planted evergreen tree thoroughly a couple times per week for the first two to three months.
Can you grow spruce trees in pots?
A spruce tree can make an excellent addition to your landscaping or patio. Most people that grow spruce trees plant them directly into the ground. However, this is not the only option that you have. Spruce trees can be grown in a container as well.
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.
How do you stake a blue spruce tree?
- Drive the Stakes into the Ground. Use a mallet or sledgehammer to drive two or three wooden or metal stakes around the perimeter of the tree outside the root ball area. …
- Push the Tree Upright. …
- Secure the Tree to the Stakes. …
- Allow Time for the Tree to Anchor Itself.
How do you care for a newly planted spruce tree?
Water recently planted spruce trees regularly. Weekly soakings during dry weather is sufficient, according to the University of Wisconsin Extension. Established trees require regular watering if they are planted near a foundation or under an overhang.
Can a blue spruce be green?
In fact, another common name for the tree is silver spruce. When it comes to blue-green needles, some people identify the color as blue and some call it green. What you call greening in blue spruce may actually be the tree’s natural blue-green hue.
