Horticulture

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Extension Walworth County
100 W. Walworth Street
P.O. Box 1001
Elkhorn, WI 53121
Phone: 262-741-4951
Fax: 262-741-4955

Please stop by the office, call, or email with any horticulture related questions!


Recent Horticulture Posts

Foundations in Gardening – Registration is OPEN

Do you want to be a better gardener? Do you want to increase your confidence to successfully garden indoors or out? Join the UW-Madison Extension Horticulture Program in this online course. This is an approved learning opportunity for individuals interested in the Wisconsin Extension Master Gardener Program.  For more information visit:  https://bit.ly/3ANdrMV

“Crush and Brush” Spongy Moth

Are you seeing these caterpillars on your trees or hiding underneath things left lying around the yard? They are spongy moth caterpillars (formerly known as gypsy moth) that are busy eating and getting bigger and bigger until they get ready to change into their adult moth form. The spongy moth has escalated into one of […]

WiBee App Tracks Wild Bee Pollinators

The WiBee App (pronounced wee-bee) is publicly available for anyone to use, whether you are a gardener, grower, student, or just interested in bees. The goal of the WiBee App is to observe and collect data on the abundance and diversity of wild bees visiting blooming crops on your farm. With the app, you complete […]

Rampant Ravaging Rusts

I really love this time of the year as plants emerge once again after their long winter naps.  I also love the fact that I now get to start looking once again for some of my favorite plant diseases.  At the top of the list at this time of the year are the rust diseases.  […]

Did you remember to do your tick check?

Warmer temperatures mean that Wisconsinites are spending a lot more time enjoying the outdoors with activities such as gardening, hiking, picnicking, and camping. However, spring also happens to be a season of peak tick activity in the Midwest. Ticks may be small but can have big health impacts as they carry diseases such as Lyme […]

Shoreline Gardening Free Webinar Event

Shoreline Gardening for Healthy Lakes – March 18th, 6:00-7:30pm Healthy shorelines provide many benefits, especially when it comes to keeping our lakes free from pollution and places where we want to live and play. In this webinar, you will learn what rain gardens are and how this special type of low maintenance garden can filter […]


beckerman-brown
Brown Evergreens?

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.

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