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Greetings gardeners,

Summer's hot, dry weather continues with bustling farmers markets, buzzing gardens, and busy recreational spaces. While some plants are taking the heat in stride, others are showing signs of stress. Leaves that become discolored, curled, or distorted can leave gardeners wondering whether drought, insects, disease, or herbicide exposure is to blame. Learn how to recognize the signs of herbicide damage and what to do if you suspect it. Continue reading this issue for timely gardening tips and seasonal tasks to keep your landscape healthy through the rest of summer.

This free monthly Q&A session offers the opportunity to get expert answers for all your plant and gardening-related questions.

Learn about common diseases of hostas, including how to identify these diseases as well as information on how to manage them.

On rare occasion, normal plant growth goes awry, resulting in an interesting physiological disorder called "fasciation".

While no mosquito control method can eliminate mosquitoes all summer long, this article helps evaluate mosquito control services and understand safety and environmental considerations. Read more...

Did you know bearded iris grows best when divided every few years? The process is really quite simple, and pays great dividends in the future. This article offers easy-to-follow instructions to try on your own. Read more…

Those big, beautiful shade trees in our yards often come with the problem of surface roots—roots that are visible on the lawn surface. These surface roots not only affect the appearance of the lawn, but they can make mowing difficult and create tripping hazards. Read more…

Spotted lanternfly an invasive insect that poses harm to agricultural crops and ornamental plants alike. Although it has not been found in Wisconsin, early detection is critical. Learn how you can help the Wisconsin First Detector Network (WIFDN) monitor this invasive insect during the final weeks of summer. Read more…

A weekly column of horticulture education and activities for Wisconsin gardeners. Read the latest articles from this past month.

▶︎ Listen: Getting to the root of common plant diseases | Wisconsin Public Radio | Featuring Brian Hudelson

Grow Your Gardening Skills Online | Morning Ag Clips | Featuring Amy Freidig

How to identify, observe and support backyard caterpillars | WUWM 89.7 | Featuring PJ Liesch

▶︎ Watch: Experts warn about high mosquito activity after first detected West Nile Virus carrier in the state  | WBAY | Featuring PJ Liesch

More Extension Horticulture in the news →

Milkweed is prized for supporting monarchs, but it's also home to several other notable insects that support a healthy ecosystem.

UW-Madison Division of Extension Horticulture Program

Find articles, resources, educational events and more at hort.extension.wisc.edu

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