Question: How Do You Keep A Blue Spruce Healthy?

When should I fertilize my blue spruce?

The best time to fertilize a blue spruce tree is during the spring season prior to the flush of growth.

Do not fertilize the tree in late summer as the tender new growth becomes susceptible to damage during the fall frost..

Can a dying pine tree be saved?

Pine Needle Fungus If you’re certain that your tree is getting the right amount of water and no signs of pests are present, you may be able to save your tree with a broad-spectrum fungicide containing neem oil or copper salts. Always read all directions, since some fungicides can cause discoloration on certain pines.

Can you save a dying spruce tree?

There is no treatment for cytospora canker, according to Yiesla. A tree can live with the disease for a few years — “it’s not an immediate death sentence,” she said — but branches will continue to die. Remove every dead branch with a clean pruning cut next to the trunk, she said.

How do you revive a dying spruce tree?

The following will help you manage needlecast:Prune away dead branches, twigs, and infected areas of the tree.Remove fallen foliage and destroy it (burn it).Apply a fungicide to the tree after removing signs of the infection.Deep water the tree once per week to help it recover from the stress.

Can you stop a blue spruce from growing?

Spruce trees grow slowly, just keep up with the pruning. If you top the tree, it will prevent it from growing tall. This means cut the central trunk at the point you’d like to keep it from growing taller. Avoid cutting the lower branches at the trunk, they will never regrow.

What is the best time of year to 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.

How do you revive a dying blue spruce?

The following will help you manage rust disease:Prune away dead branches, twigs, and infected areas of the tree.Remove fallen foliage and destroy it (burn it). … Apply a fungicide to the tree after removing signs of the infection.Deep water the tree once per week to help it recover from the stress.

Why is my spruce tree dying from the top down?

A Pest or Disease Problem: A number of pests and diseases can cause a pine or spruce treetop to turn brown. … One of the few needle diseases that attacks from the top down is pine wilt disease. Small worms called nematodes invade trees and quickly cause severe damage.

What is the best fertilizer for blue spruce trees?

It will likely increase the length of the needs and improve the needle color. Sprinkle 10-10-10 slow-release granulated fertilizer over the soil in the root zone, and hen water with about 2 inches of water to prevent fertilizer burn and incorporate the fertilizer into the water.

How do you know when a blue spruce is dying?

Here’s what to look out for:Needles Turn Yellow or Brown and Drop Off. It’s easy to tell whether your blue spruce trees are healthy or not. … Drying and Dying of Lower Branches. When you see lower branches of a blue spruce drying and dying, you should expect the worst. … Dying of New and Emerging Shoots.

Why do blue spruce needles turn brown?

Browning of the inner needles on the tree is an early symptom. … Blue spruce trees are also susceptible to Rhizosphaera needle cast, caused by the fungus Rhizosphaera. The disease begins on the tree’s lower branches and works its way upward. Needles turn purple or brown in color and eventually fall off.

Is Epsom salt good for evergreens?

According to the Epsom Salt Council, Epsom salt increases the production of chlorophyll and helps plants grow bushier. … Use 1 tablespoon of Epsom salt for evergreen shrubs, and 2 tablespoons for evergreen trees.

How do you keep a spruce tree healthy?

Planted spruce trees benefit from regular maintenance.Water recently planted spruce trees regularly. … Spread organic mulch around the spruce. … Fertilize spruce trees in late autumn or early spring. … Watch for signs of pests or disease. … Cut back the main leader stem, if it is damaged.More items…

What is killing my blue spruce?

Blue spruce trees are susceptible to an infectious needle disease caused by the fungus Rhizosphaera. The disease, referred to as Rhizosphaera needle cast, is the most common problem seen on blue spruce samples that are submitted to the Plant Disease Clinic.

Should you trim the bottom of a blue spruce?

Eliminate branches growing in an undesirable direction by cutting them close to the trunk. Trimming bottom branches of blue spruce creates a neater appearance, and makes it easier to reach underneath the tree to rake or apply mulch.

Why is my blue spruce dying from the bottom up?

There could be several reasons for the lower branches dying on your spruce. If the upper branches provide too much shade, the lower branches naturally die off. … Cytospora canker is a fungus that attacks spruces and causes branch death.

What is the life expectancy of a blue spruce tree?

600-800 yearsThe Colorado Blue Spruce (Picea pungens) is a member of the pine tree family that is native to the Rocky Mountain regions of North America. The tree has a mature height of around 70 to 80 feet. While blue spruce grows relatively slowly, it is long-lived and may reach ages of 600-800 years.

Do Blue Spruce need a lot of water?

When established, Colorado Spruce trees are quite drought tolerant plants. Only during prolonged periods of drought will plants require supplemental irrigation. When growing a Colorado Spruce in a container. check soil moisture frequently and provide some water when the top 2 inches of the soil becomes dry.

Can a brown evergreen come back?

The answer is yes, depending on the cause. When an evergreen turns brown, it can be both surprising and disheartening. The good news is that a brown evergreen can come back green as soon as the following year, although it may need a little work to help it through the process.

How do you make a blue spruce bluer?

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.)