Waukesha County

Call (262) 548-7770 Home    About Us    Our Staff


Yard & Garden - Resources


Horticulture Helpline

Have a yard or garden question? Call or e-mail our Horticulture Helpline. This free service allows callers to speak with a trained Master Gardener Volunteer regarding plant, bug or soil questions by phone or email. Telephone hours for the Horticulture Helpline vary by season. Voice mail is available, but answers may take up to seven days.

Call (262) 548-7779 or e-mail questions to uwex1@waukeshacounty.gov.

Diagnosing Plant Problems

Let an Extension Horticulture Educator identify your plant or plant problem. Bring your plant sample or plant insect pest to the Extension Waukesha County office during regular business hours of 8 AM – 4:30 PM. This service is available to the general public.

There is a $5 charge for this service and diagnostics may take up to seven days.

For instructions on collecting a "good sample," please call the Horticulture Helpline at (262) 548-7779 or email them at uwex1@waukeshacounty.gov.

Horticulture Diagnostic Form 
Horticulture Diagnostic Services Flyer

We do not identify home insects pests in the office. Please use the Home Insect Identification form below and send it to the lab in Madison free of charge. For instructions on how to submit a samples, go to http://labs.russell.wisc.edu/insectlab/samples/#

Home Insect Identification Form

Soil Testing

Having soil problems? Need to know what to add to your soil to make things grow? Have your soil tested by the UW Soil & Forage Analysis Lab in Marshfield for $15 per sample.

What You Get

- Analysis of the current nutrient content of your soil
- Current soil pH
- Recommendation of type and amount of fertilizer to add

Forms and instructions

Soil Testing Kit Instructions
Soil Sample Submission Form
Instructions for Submitting Samples

Helpful Information about soil sampling

Sampling Lawn and garden soils for analysis Pub A2166

If you have further inquiries, please call the UW Soil & Forage Analysis Lab at (715) 387-2523 or go to their website at https://uwlab.soils.wisc.edu/soil/ and click "Lawns and Gardens."


Additional Yard and Garden Resources

- Wisconsin Horticulture Extension
Extension Horticultural Publication

Need More Help?

Try UW Diagnostic Labs:
- UW Insect Diagnostic Lab
- UW Plant Disease Diagnostic Clinic
- UW Turf Diagnostic Lab

Fees and types of service varies by lab. Check the website for more information

Horticulture staff location:

Extension Waukesha County
515 W Moreland Blvd AC G22
Waukesha WI 53188
Horticulture Helpline: (262) 548-7779
Office: (262) 548-7775 
Fax: (262) 548-7787 

Office Hours: M-F, 8:00 AM – 4:30 PM

Civil Rights Statement: University of Wisconsin, U.S. Department of Agriculture and Wisconsin counties cooperating. An EEO/AA employer, University of Wisconsin provides equal opportunities in employment and programming, including Title VI, Title IX and Americans with Disabilities Act (ADA) requirements.