Jefferson County – UW Extension & 4-H
4-H
Fair Time is Approaching
Fair season is coming up fast! The fair is a great opportunity for 4-H Members to showcase their hard work on a variety of projects–from art to livestock. Be sure to check the fair timelines, whether you are exhibiting or visiting the exhibits!
Cloverbuds
The 4-H Cloverbud project is designed specifically for children in grades 5-year old Kindergarten through 2nd grade. 4-H Cloverbud programs are developmentally appropriate, activity-focused and built on cooperative learning.
Upham Woods Summer Camp
Upham Woods is an outdoor learning center for youth and adults. Through our programs, we aim to ignite curiosity, cultivate leadership, and create a lasting impact on the natural world and the communities we serve.
Community Development
Housing Summit
A regional convening that brings together local officials, practitioners, and community members to explore housing needs, share data and practices, and identify collaborative solutions to housing challenges affecting southeastern Wisconsin.
REV Program
A hands‑on program supporting entrepreneurs and small business owners as they explore, launch, or strengthen ventures that contribute to rural and community vitality.
Food Pantry
The Community Food System Program promotes thriving, just and resilient place-based food systems. We support community organizations, Tribal partners, local governments, small-scale farms and food businesses, and community gardens.
Agriculture
Soil Samples
Soil sampling season is here and now is the best time to check your supplies of sampling materials. If you need additional sampling bags you can stop down at the Jefferson County Extension Office.
Print Form: Lawn & Garden
Cost: $30
Print Form: Field & Crops
Cost: $11 per sample
Prices may change, contact the lab to check most current pricing.
Bilingual Dairy Newsletter
Throughout 2025, dairy producers across Wisconsin and beyond have been sharing Bovi-Noticias—the bilingual dairy worker newsletter—with their employees. This free electronic publication which supports dairy farms and their teams has been well-received by farm owners, managers, and workers alike.
FREE Financial Analysis
Raising heifers has become increasingly expensive in recent years, tightening margins across Wisconsin’s dairy industry. Tracking and understanding these costs and comparing them with peers is essential for informed management decisions. To support producers, the UW–Madison Extension Dairy Program is launching a new outreach effort to help farms accurately determine the cost of raising replacement animals.
Click for More Information
Horticulture
Ask Your Gardening Questions
These LIVE online Q&A sessions, held monthly on Wednesdays, offer the opportunity to connect with plant health experts from UW-Madison and get answers to all your plant-related questions for free.
Next Scheduled:
6/17/26 6:30pm
When Do I Plant Veggie Seeds?
In our rapidly changing climate, a calendar date is not the best predictor for an extra early onset of spring weather in March or an extremely late, cold and wet April. A better method to gauge when to put seeds in the ground is to test soil temperatures.
No Mow May
“No Mow May” has become a catchy phrase in Wisconsin, encouraging homeowners to allow their lawns to grow during May. Join us to learn about how an un-mowed lawn impacts (or may impact) pollinators and how you can support pollinators all year long.