UW Madison Diagnostic Labs
UW–Madison Division of Extension offers a wide range of diagnostic services to support our community, growers, homeowners, and local businesses. Whether you need help with plant diseases, insect identification, turf health issues, or soil testing, our trusted UW diagnostic labs are here to provide fast, reliable answers to your questions.
The UW–Madison Soil & Forage Analysis Lab provides accurate, research‑based soil testing to help gardeners, farmers, and land managers make informed decisions about soil health and fertility. Their analyses offer practical guidance on nutrient levels, pH, and soil amendments, supporting healthy, productive soils for everything from home gardens to larger acreage.
The UW–Madison Turfgrass Diagnostic Lab (TDL) provides expert diagnosis of turfgrass diseases, disorders, and management issues for homeowners, landscapers, golf courses, and athletic facilities. Their team offers accurate diagnostics and practical, science‑based recommendations to help restore and maintain healthy, resilient turf.
The UW–Madison Plant Disease Diagnostics Clinic (PDDC) provides science‑based diagnosis and management recommendations for plant diseases in home gardens, landscapes, and commercial crops. Their team helps growers and homeowners identify issues and offers practical guidance to prevent and manage plant health problems.
The UW–Madison Insect Diagnostic Lab provides free insect identification and science‑based guidance for Wisconsin gardeners, growers, and homeowners. Whether you’re dealing with pests or just curious about an unusual insect, the lab offers reliable support to help you protect your plants and make informed decisions.