The Oak Twig Girdler

Flagging branches on oak trees can indicate the presence of the oak twig girdler.

Leaf Scorch

The hot, dry days of July are more than a discomfort to many shade trees.  Leaf scorch, which is a non-infectious disease is evident throughout the Midwest.   Leaf scorch is first noticed as a yellowing or bronzing of the tissue between the veins or along the margins of leaves.  Trees are more susceptible if…

Freeze Damage to Spruce

Many spruce trees in the area are looking rough. Beyond the usual injury from spruce spider mites and Rhizosphaera needle cast, spruce trees have serious dieback, not only individual branches but in some cases, the top has died. Drooping clusters of brown needles and streaks of white sap on branches and trunk indicate freeze injury….

Surface Roots Under Trees

Trees are great – they produce shade, create framing for a house or building, provide shelter for songbirds, slow down the wind and snow and so many other benefits…but they can create a few problems, one of which is surface roots.   Surface roots are not to be taken lightly – they create a tripping…

Bagworms On the Loose

Bagworms have hatched in Douglas County! Know what to look for and how to safely and effectively treat your trees so they can remain evergreen not turn ever-brown.

Caring For Newly Planted Trees – Pruning

Like staking, pruning is an “as needed” procedure, although the need in the first year is not great.  In fact, because young trees need every leaf that they can get their chloroplasts and vascular bundles on, pruning should be avoided in most cases.  If branches are removed at planting time or shortly after, the tree…

Follow up Care for Newly Planted Trees – Staking

Staking is an “as needed” procedure, generally not automatically recommended for tree planting for two reasons.  The most obvious is that it takes time and costs money for the materials.  Secondly, it is highly desirable for new trees to develop a strong network of lateral roots, which can be limited by staking.   Even though…

Fall Inspection of Trees and Shrubs

September and October are great months to enjoy working in the garden and viewing landscape plants, enjoying the outcomes of season long efforts of care.  In addition to digging, replanting, weeding, dividing and other fall routines, inspection is a key step in maintaining a sustainable landscape.   Inspection?  What does that mean?  Simply put, it’s…

Fall Webworms – A Nuisance and Pest

If you have a fruit tree, mulberry or ornamental fruit tree, you may be experiencing an infestation of insects called fall webworms.  The first sign of them in a tree is a cottony mass of webbing, inside of which are dozens of 1 inch (plus or minus) sized white to tan fuzzy caterpillars.  The first…

Tree Troubles – Nonspecific Symptoms

Fir and spruce trees are known for providing beauty and function in Nebraska.  Unfortunately, they’re also known for being hard to diagnose when troubles arise.   With most trees and shrubs, specific symptoms are present when they are ailing from insects, diseases and abiotic maladies.  That’s most trees and shrubs.  Not so much with fir…