What is a good fertilizer for blue spruce?

What is a good fertilizer for blue spruce?

Sprinkle 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 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 used coffee grounds good for evergreens?

Will a homemade pine tree or evergreen tree fertilizer work? For example, adding coffee grounds or organic matter around your evergreens’ soil is a good place to start if you need to increase your soil’s acidity.

What is best fertilizer for evergreens?

A “complete” fertilizer — one that supplies the macronutrients nitrogen (N), phosphorus (P), and potassium (K) — is often recommended. A fertilizer analysis of 10-8-15 means the fertilizer has 10 percent nitrogen, 8 percent phosphorous, and 15 percent potassium.

What is killing my evergreen trees?

Bugs are another major threat to evergreen, leading to a host of issues. Bagworms, spider mites, bark beetles, aphids, scale, sawflies, borers, and adelgids are among the insects that commonly target different needled evergreens.

How do you tell if a spruce tree is dying?

The appearance of small black spots, premature needle loss and a thinning canopy can be signs of Rhizosphaera needle cast. The infectious fungal disease starts near the base of the tree and spreads upward. A seriously sick blue spruce has purple or brown needles, dead branches and bald spots.

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.

Can you over water blue spruce?

As with so many other ornamental trees, spruce do not like constantly soggy or wet soils, which can lead to root rot and other harmful plant diseases. So be careful to avoid over-watering them!

Why is my blue spruce turning green?

The tree produces the wax on its needles (that creates the blue color) in spring and early summer. The wax can wear off over a rough winter or erode by wind, hot sun, pouring rain and other types of exposure. Poor nutrition can also be one of the reasons wax diminishes and blue spruce turn green.

Will evergreen needles grow back?

“Just because a tree is evergreen doesn’t mean every needle lives forever,” Yiesla says. Evergreens discard the oldest of their needle-shape leaves each year and then grow new needles at the tips of the branches. This continual renewal provides the carpet of brown needles you’ll find in a pine or spruce forest.

Why are all the spruce trees 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. Another common symptom is white sap on the trunk or branches.

Are blue spruce trees dying?

In general, blue spruce do better in nutrient-poor and well-drained soil. Poorly drained soils stress the trees and welcome pests and disease. Many of the blue spruce around my house are in sandy soil, they are still dying. The trees are dropping needles fast- this is due to one of several needle-cast diseases.

Why are my evergreens turning brown from the inside?

Browning is often caused by an inability of the pine tree to uptake enough water to keep its needles alive. When moisture is overly abundant and drainage is poor, root rot is often the culprit. As roots die, you may notice your pine tree dying from the inside out.