What's happening in Horticulture? July 2024 |
Greetings gardeners,
Summer is in full swing! July is a month full of vibrant blooms, plentiful harvests, and… major pest problems. As our gardens reach their peak, so do many insect and disease populations. In this issue, we offer tips for keeping your garden healthy during extreme weather, advice on dealing with common pests, and resources to identify and manage weeds in your yard. A lot is happening in horticulture this month! Read on for upcoming events, timely articles, and news features from Extension.
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Ask the Experts: A Monthly Garden and Landscape Q&A Series
Monday, July 22, 1-2 p.m.
Zoom webinar | Learn More
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- The Role of Moths in Our Ecosystems
Wednesday, July 24, Noon-1 p.m.
Zoom webinar | Learn More
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- Ten Diseases of Native Plants (and Non-Natives, Too)
Wednesday, July 24, 6:30-8:30 p.m.
Zoom webinar | Learn More
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After flooding occurs, gardeners often raise questions about the safety of consuming produce from gardens that were under water for a day or two. This article provides tips and other considerations for what can be salvaged and what must be discarded from a flooded garden. Read more…
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Figuring out the exact reason your tomatoes are wilting can be challenging, particularly if there is disease involved. Here are the top five reasons that tomatoes can wilt based on samples submitted to the Plant Disease Diagnostics Clinic over the years. Read more…
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Japanese beetles become active in July and cause a big headache for gardeners. When Japanese beetles feed, they create small holes in plant foliage, known as “skeletonization”. Luckily, there are many ways to manage these insects, including non-chemical approaches and organic options. Read more…
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Herbicide damage is any adverse, undesired effect on a plant caused by exposure to a pesticide designed for weed control. If these products are applied too close to ornamentals or vegetables, or are applied when there is too much wind, then the herbicide can drift from the area of application into an untreated area. Read more…
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| Early Bird registration starts July 15!
Course dates: Sept. 8–Dec. 7, 2024
100% Online | Self-Paced
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Learn about growing plants in a way that helps you plan for gardening success. This course includes 14 modules containing online activities, videos, readings, and additional resources.
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▶ LISTEN: Insects and disease, growing sustainable roses | Featuring Brian Hudelson, Director of UW Plant Disease Diagnostics Clinic and Lisa Johnson, Horticulture Educator for Dane County
Don't order ladybugs through the mail. Here's how Wisconsin gardeners can attract helpful predators | Featuring PJ Liesch, Director, UW Insect Diagnostic Lab
Spangenberg column: Why apple trees do not bloom | Featuring Bruce Spangenberg, Horticulture Educator for Iron County
Wet season leads to more mosquito activity | Featuring PJ Liesch, Director, UW Insect Diagnostic Lab
Rainy weather is helping a fungus kill invasive spongy moth caterpillars | Featuring PJ Liesch, Director, UW Insect Diagnostic Lab
Japanese beetles emerging early in 2024 | Featuring PJ Liesch, Director, UW Insect Diagnostic Lab
More Extension Horticulture in the news →
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UW-Madison Division of Extension Horticulture Program
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An EEO/AA employer, UW-Madison Division of Extension provides equal opportunities in employment and programming, including Title IX and American with Disabilities (ADA) requirements.
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