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Preparing Evergreens for Winter

All evergreens, and particularly broad leaf evergreens such as boxwood and rhododendron, are susceptible to winter desiccation. Winter desiccation also is referred to as winter burn or winter browning. Desiccation occurs when the evergreen's foliage loses moisture due to the bright winter sun and harsh winter winds. In winter the plants are not able to absorb enough additional moisture from the soil to replace the water that evaporates from the foliage and stems. In addition to making sure the plants are well watered before the onset of winter there are a few other measures homeowners can take to protect the plants. Read more about Preparing Evergreens for Winter

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Yard and Garden: Selecting Trees and Shrubs

May 22, 2014, 11:00 am | Richard Jauron, Willy Klein

Creating a beautiful, functional landscape depends on putting the right plant in the right place. Horticulturists with Iowa State University Extension and Outreach discuss considerations when selecting trees and shrubs for shaded, wet and dry areas of the lawn and garden. Read more about Yard and Garden: Selecting Trees and Shrubs

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Yard and Garden: Successfully Growing Azaleas and Rhododendrons

June 11, 2015, 10:49 am | Richard Jauron, Kendall Evans

Azaleas and rhododendrons are spectacular flowering shrubs that can brighten any yard or garden. Even though there are many species of azaleas and rhododendrons, only a small number can successfully be grown in Iowa. Here are some tips from horticulturists with Iowa State University Extension and Outreach showing what steps to take to ensure successfully grown azaleas and rhododendrons. Read more about Yard and Garden: Successfully Growing Azaleas and Rhododendrons

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Yard and Garden: Knowing When to Prune Shrubs

February 17, 2016, 11:46 am | Richard Jauron, Kendall Evans

Pruning is the selective removal of specific plant parts for the benefit of the whole plant. Pruning shows both the art and science of horticulture. Knowing exactly when to prune is essential when taking care of shrubs to ensure a successful growth. Read more about Yard and Garden: Knowing When to Prune Shrubs

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Yard and Garden: Handling Early-Flowering Trees and Shrubs in Freezing Temperatures

February 23, 2017, 9:46 am | Richard Jauron, Greg Wallace

February has brought unusually warm temperatures across Iowa, with record highs topping the 70-degree mark. However, it won’t last forever. Winter temperatures will return, but that could confuse trees, shrubs and plants which flower earlier than normal. Will this cause problems? Read more about Yard and Garden: Handling Early-Flowering Trees and Shrubs in Freezing Temperatures

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Yard and Garden: Shrubs and Trees with Winter Color

December 12, 2013, 9:59 am | Richard Jauron, Willy Klein

An excellent way to brighten the winter landscape is to plant trees and shrubs that possess ornamental characteristics, such as colorful fruit or exfoliating bark. Horticulturists with Iowa State University Extension and Outreach describe shrubs and trees that add color to the winter landscape. Read more about Yard and Garden: Shrubs and Trees with Winter Color

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