Continuing Drought for the Great Plains

The National Oceanic and Atmospheric Administration (NAOO) released their prediction for winter precipitation. The bad news? The Great Plains region will continue to experience drought through at least January 2025. This is not good news for Nebraska landscapes, since the entire state is currently experiencing anywhere from abnormally dry to extreme drought conditions.

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Planning Your Garden Pruning

Proper timing is one of the most important considerations for successful pruning. Getting the timing right helps ensure attractive, healthy, productive plants. Research has shown pruning wounds heal fastest when the cuts are made right before new growth begins. This knowledge guides pruning recommendations, with the goal of promoting fast wound closure and keeping plants as healthy as possible.

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Lightning Strikes – Will My Tree Survive?

Spring and summer storms take their toll on landscape plants. Branches may be broken by wind and whole trees uprooted. Lightning strikes to trees can be both spectacular and deadly, though the two don't necessarily go together. The effects of lightning strikes on trees are highly variable. Management of a damaged tree should be based on several factors.

Lightning occurs when long downward chains of negatively charged particles at the base of storm clouds meet vertical streamers of positively charged ions coming up from the ground.  

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The Basics of Pruning Tools

The keys to pruning trees and shrubs are a basic understanding of pruning techniques and knowing when to prune plants. For more information on these topics, check out the additional resources below.

But it's also important to understand the variety of tools available to make the job easier and use them correctly. The best tool for the job is determined by the size of the plant material to be removed and its location.

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Protecting Landscape Plants from Wildlife

Failure to protect fruit trees and landscape ornamentals against gnawing rodents, rabbits and deer this fall can result in a nasty surprise next spring: girdled trunks or stems, and broken branches. Late fall is the time to get protection in place and safeguard the health of your plants. Prevention is the only way to protect trees and shrubs from injury since very little can be done to salvage plants once the damage is done.

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Watch for Evergreen Natural Needle Drop

Did you realize some evergreen needles change color in the fall too, just like deciduous trees do? It's true and it often causes alarm in homeowners when their evergreen trees start to drop needles.

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Drought Damage in Trees

Just as drought has caused havoc in many lawns, we’re also seeing damage in trees. Even very drought tolerant trees like eastern red cedar and Colorado spruce have extensive damage or have been killed completely.

Death of branches or a whole tree are very obvious and visible effects, but drought can also cause damage in more subtle ways affecting trees and other woody plants for several years to come.

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Tree Fertilization

We fertilize our lawns regularly each year, but do trees need fertilization, too? Actually, in most cases - no. Most Nebraska soils are fertile enough to support good growth of trees and shrubs without the need for additional fertilization. And in particular, trees surrounded by a fertilized lawn don't need additional fertilization.

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Managing Spring Drought

Lancaster County ended 2022 under very dry conditions – approximately 11 inches below normal rainfall. Dry conditions continued throughout winter bringing us into spring with the entire state still experiencing drought. According to the U.S. Drought Monitor, Lancaster county is currently classified with “severe drought” conditions. To find the drought conditions for your location at any time throughout the year summer, visit droughtmonitor.unl.edu.

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Managing Chlorosis in Trees

Eastern Nebraska tends to have high soil pH, also known as alkaline soil, which can cause problems for some plants, like river birch, pin oak, big-leaf hydrangeas and blueberries to name a few. Alkaline soil changes the availability of certain plant nutrients, often making them less available, resulting in deficiency symptoms.

Other conditions contributing to the chlorosis include the following.

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