In order to promote a positive response, the blue spruce must have enough time to repair itself before entering its dormant period. Always complete this tree's pruning during the late winter or early spring months, just before the onset of its growing season.

When can you prune spruce trees?

In answer to your question, yes, late winter is a good time to be doing pruning on evergreens such as spruce. Pruning after the sap starts running can be damaging to the tree.

Should you trim the bottom of a blue spruce?

Cases where trimming of the bottom branches is required

In most cases, the lower part of the spruce needs pruning if it is too large. This can interfere with the exit of the car from the garage, as well as making it difficult to get through the yard.

How do you prune a blue spruce tree?

Make each cut at a slight angle. Prune dead and diseased branches that have brown needles, cutting them close to the blue spruce's trunk but just after the branch collar by using the sharp pruning shears or pole pruner. Shape the blue spruce in accordance with its natural taper, working from the top down.

How do you trim a big blue spruce pine tree?

Cut off the limbs with a hand or pole saw, depending on the limb size, flush with the tree trunk. Look for a green shoot near the limb of a partially dead limb. Cut the limb with a saw at least 1 inch from the green shoot, which will produce vigorous growth during the growing season as a result of the trim.

The Best Time to Trim a Blue Spruce

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 do you keep a blue spruce small?

If you just want to shape your dwarf spruce, or if your tree is young and you want to trim it to keep it small, then you can prune with a good amount of success. Taking care not to cut into the dead zone, cut back any branches that extend beyond the tree's conical shape. Remove ½ to 1 inch (up to 2.5 cm.)

How do you take care of a blue spruce tree?

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.

Should I trim the bottom of my spruce trees?

Spruce, fir, and whorl-branched trees and shrubs that have short, sharp needles can be trimmed all the way back to a lateral branch or dormant bud; dead bottom branches should be removed. Though you can hold off a little longer with these trees, it's best to cut in cold weather so that they “bleed” less sap.

Should you trim spruce trees?

Evergreen trees such as pine, spruce, fir, Douglas-fir, and hemlock require little pruning. These trees typically have a broad, pyramidal form with low branches, and should be left intact. DO NOT remove lower branches as this destroys the natural aesthetic form of the tree. NEVER remove the main, central stem.

What is the life expectancy of a blue spruce?

While blue spruce grows relatively slowly, it is long-lived and may reach ages of 600-800 years. This tree was first discovered in Colorado on top of Pikes Peak in 1862.

Why are the lower branches of my blue spruce dying?

When entire lower branches on a spruce have died, the problem is more likely to be cytospora canker, Yiesla said. This fungus lives under the bark and destroys the vessels that carry water and nutrients, so the whole branch dries out and dies.

Do spruce trees regrow lower branches?

On spruce trees, it can be helpful for the tree to remove dead branch sections so that healthy branches can replace them, since spruces will regrow along the healthy branches that have buds. ... To avoid a curve in the main trunk you want to be careful to not just top off the tree abruptly.

How do I prune a spruce tree?

Although spruces need very little pruning, bottom branches may die with age and can be removed. For a formal shape, prune new growth in the spring. Shear in late spring, after new growth has expanded. To reduce the size of a branch, cut back to a lateral branch or a visible dormant bud.

What happens if you cut the top off a spruce tree?

Practices such as topping a tree by cutting off the uppermost part of the trunk should be avoided. Pruning back this center stem will reduce the height of the plant, but the width will continue filling out, leaving you with an oddly shaped tree.

What time of year do you trim evergreen trees?

Pruning evergreen bushes is best done in late March or early April before new growth begins. Light pruning can also happen in late June or early July. Avoid pruning evergreen shrubs in the fall, since they are more susceptible to winter injury.

What will grow under a blue spruce tree?

Plantaginea variety that bears nice flowers. Some other popular choices for under-tree cover include sweet woodruff (Galium odoratum), which has white flowers and fragrant foliage, and grasses in the Ophiopogon species, like Black Mondo grass. Vinca vine (Vinca minor) is valued for its glossy leaves and blue flowers.

Why are my blue spruce trees turning brown?

If this is what you're seeing, your blue spruce tree is likely suffering from needle cast disease. Once these needles turn brown, yellow, or red, they will likely begin to shed. Many homeowners that are experiencing needle cast will often describe their blue spruce as looking burned. What is needle cast disease?

How do you treat blue spruce Cytospora canker?

Management: There is no known cure for cytospora canker. Fungicide treatments are not recommended. The Davey Institute recommends maintaining the health and vitality of susceptible trees to manage the disease; healthy trees are less susceptible to cytospora canker.

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.

How do you make a healthy blue spruce?

1. Light. Plant Colorado blue spruce trees in full sun, ensuring they get at least 6 hours of unfiltered sun per day.
2. Soil. These trees do best in a location with a moist, well-drained soil made fertile through the use of soil amendments. ...
3. Water. ...
4. Temperature and Humidity.

How do you care for a new blue spruce plant?

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.

How deep are the roots on 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 do you stop a spruce tree from growing taller?

Spray or brush a sucker growth inhibitor onto the stub of the original lead stem to keep it from forming any forked growth. Trim the tree's new growth each year to keep it from spreading outward over time. Use the loppers or tree trimmers to make the cuts.