Michigan Extension & Soil Testing Directory
Find your local Michigan County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: MSU Soil and Plant Nutrient Laboratory
Standard Fee: $26 home soil test kit
Turnaround Time: 5 to 7 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Sandy Loam & Glacial Drift Silt
Hardiness Zones: Zone 4b / 6b
Popular Crops: Cherries, apples, blueberries, cucumbers, asparagus, turf
Sandy soils in western Michigan leach potassium quickly; incorporate organic matter annually.
Featured County Directories in Michigan (8 Listings)
Wayne County
Extension Office: Michigan State University Extension - Wayne County
Soil Lab Fee: $26 home soil test kit
Phone: (261) 555-0199
Oakland County
Extension Office: Michigan State University Extension - Oakland County
Soil Lab Fee: $26 home soil test kit
Phone: (261) 555-0199
Macomb County
Extension Office: Michigan State University Extension - Macomb County
Soil Lab Fee: $26 home soil test kit
Phone: (260) 555-0199
Kent County
Extension Office: Michigan State University Extension - Kent County
Soil Lab Fee: $26 home soil test kit
Phone: (260) 555-0199
Genesee County
Extension Office: Michigan State University Extension - Genesee County
Soil Lab Fee: $26 home soil test kit
Phone: (260) 555-0199
Washtenaw County
Extension Office: Michigan State University Extension - Washtenaw County
Soil Lab Fee: $26 home soil test kit
Phone: (261) 555-0199
Ingham County
Extension Office: Michigan State University Extension - Ingham County
Soil Lab Fee: $26 home soil test kit
Phone: (260) 555-0199
Kalamazoo County
Extension Office: Michigan State University Extension - Kalamazoo County
Soil Lab Fee: $26 home soil test kit
Phone: (260) 555-0199
📦 Recommended Mail-In Soil Test Kits & Meters
FTC Affiliate Disclosure: We may earn a commissionIf you need immediate results without waiting for university mail-in lab turnaround times, these top-rated professional home soil test kits provide fast pH, N, P, and K diagnostic analysis:
MySoil Soil Test Kit
Professional mail-in kit analyzed by accredited labs. Returns 13 essential nutrient values (N, P, K, pH, Micronutrients) & customized fertilizer recommendations via app.
Luster Leaf Rapitest 1601
Popular color-comparator kit for 10 instant soil tests (pH, Nitrogen, Phosphorus, Potash). Includes tailored plant preference chart.
Sonkir 3-in-1 Soil Tester
Instant probe sensor for soil moisture, pH, and sunlight levels. Requires no batteries. Perfect for potted plants, lawns, and raised beds.
📋 Request Local Extension & Lawn Testing Assistance in Michigan Statewide
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently Asked Questions: Michigan Soil & Extension
How do I get my soil tested in Michigan?
To test your soil in Michigan, collect 10 to 12 soil cores from a depth of 4 to 6 inches across your garden or field, air-dry the sample indoors, fill out your county extension submission form, and submit it to MSU Soil and Plant Nutrient Laboratory or your local county extension office.
How much does soil testing cost in Michigan?
Routine soil fertility analysis in Michigan typically costs $26 home soil test kit. Turnaround time for results is usually 5 to 7 business days.
Does every county in Michigan have a Cooperative Extension Office?
Yes. Every county in Michigan is served by the state's Land-Grant University Extension system. While our directory highlights primary regional office hubs and university labs, local extension agents serve horticulturists, farmers, and home gardeners across all counties in Michigan.