Extension Walworth County
100 W. Walworth Street
P.O. Box 1001
Elkhorn, WI 53121
Please stop by the office, call, or email with any horticulture related questions!
Recent Horticulture Posts
Interested in improving soil health? You’re invited to attend the Soil Health Workshop in Fort Atkinson on March 5th from 4:30-8:00pm with registration at 4:00pm. REGISTER HERE! Soil Health Event Postcard Agenda: 4:30-6:00 pm Soil Health: The What, Why and Hows: Hear from local farmers about how they are using cover crops and no-till to build […]
UW-Extension and the WI Department of Natural Resources brings you several tree planting workshops happening this fall. Community public works, park employees and others should be very excited about these informative workshops. The workshops consist of classroom instruction and outdoor demonstrations on planting techniques, tree species, post-plant maintenance and treatment, nursery stock inspection and more! […]
What is it? Bronze Birch Borer (Agrilus anxious) is a serious pest of birch trees in the Midwest. It can severely injure or kill most birch species; European white birch varieties are particularly susceptible. They are commonly found on ornamental white birch trees in neighborhood areas. Bronze birch borer attacks stressed trees, and the source of […]
Have you heard of the Emerald Ash Borer? You should if you have ever been to a camp, park or trail location in WI and across the United States and Canada. Emerald Ash Borer (Agrilus planipennis) is an invasive, wood boring beetle. It kills ash trees (Fraxinus spp) by eating the tissues under the bark. […]
June is a critical moment during the year for Gypsy Moth control. In June, gypsy moth caterpillars can be seen on tree trunks, sides of buildings, benches, playground equipment, or any outdoor furniture. The UW-Extension office has already received multiple samples of gypsy moth caterpillars from citizens that are unaware of the problem that they […]
Walworth County Volunteer Services needs your help! There are parks in Walworth County that you can call hidden gems. Volunteer Services needs help maintaining the parks with trail maintenance, invasive species removal, and park improvements. Enjoy the rewarding opportunity to spend some time outdoors at any of these beautiful parks and know that you made […]
This past winter was particularly hard on evergreen trees and shrubs. This spring it’s been a common sight to see evergreens with brown needles which is a sign of Winter Burn. The University of Minnesota has a great article to help learn more about Winter Burn and how to deal with plants that are effected by it.