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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.

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Yard and Garden: Forsythia

April 14, 2011, 3:56 pm | Richard Jauron, Willy Klein

One sure sign that spring has truly arrived is the bright yellow flowers of the forsythia. This week Iowa State University Extension garden experts have answers to questions about this deciduous shrub native to China, Korea and Europe.

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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.

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