A wasp clings on to the bark of a tree.

Are your tree pests attracting wasps?

Wasps are different from bees. While bees provide benefits to our plants, wasps on the other hand, can cause harm to humans due to their stings. Learn why wasps appear in your Colorado property and know what you can do to ward them off.

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Mountain Pine Beetles

Periodic outbreaks of mountain pine beetles can destroy millions of trees in Colorado and other states. They develop primarily in pines and can spread rapidly. Here’s what you need to know about treatment and how to help stop the spread of mountain pine beetles.

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aspen trees in autumn

Aspen Trees: Common Problems & What To Do

Although Colorado’s aspen trees are beautiful, they’re also prone to a host of aspen tree problems. Thankfully, most are preventable or treatable – especially if you address the #1 issue nearly all aspens in our area face.

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cytospora canker on aspen tree

Aspens Turning Orange? It’s Cytospora Canker

Cytospora canker causes dead or dying areas on tree bark. In aspens, this area turns orange. The cankers kill tree branches (you’ll often see this in spruce) and, in severe cases, will kill the whole tree. There’s no cure so prevention is critical.

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spider mite damage to underside of leaf

Spider Mites Suck Plants Dry

Spider mites are common and destructive pests in Colorado yards, including on trees of all kinds. Learn how to identify these tiny arachnids and control them before they kill your plants.

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Pine needle scale on pine tree needles

Scale Insects: Oystershell, Pine Needle & Striped Pine Scale

Scale insects can be extremely damaging to trees and shrubs in the Evergreen, CO region, causing leaf/needle discoloration, defoliation, stunted growth, limb dieback, vulnerability to other pests and diseases, and even plant death. Here’s how to identify scale insects, as well as treatment options and timing.

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prevent pest and disease on trees

How to Prevent Insect & Disease Problems on Trees & Shrubs

Getting an early start on dealing with insect and disease issues can make all the difference between a beautiful, healthy landscape and one that’s plagued by problems all season. By focusing on prevention, rather than reacting to disease and pest infestation when it happens, you save money that may be spent on unnecessary pesticides and get to enjoy a more attractive environment.

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