Montana Extension & Soil Testing Directory
Find your local Montana County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: MSU Recommended Partner Soil Testing Labs
Standard Fee: $20 – $35 routine cold-climate soil test
Turnaround Time: 7 to 10 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Intermountain Alluvial Silt Loam & Gravelly Clay
Hardiness Zones: Zone 4b / 5a
Popular Crops: Barley, wheat, potatoes, cool-season vegetables, native shrubs
High elevation seasons are short; test soil in fall to apply fall organic amendments.
Featured County Directories in Montana (1 Listing)
Gallatin County
Extension Office: MSU Extension - Gallatin County
Soil Lab Fee: $20 – $35 routine cold-climate soil test
Phone: (406) 582-3280
Looking for Another County in Montana?
Every county in Montana is supported by the state Land-Grant University Extension system. If your specific county directory is currently being indexed, you can submit your soil samples directly to MSU Recommended Partner Soil Testing Labs or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: Montana Soil & Extension
How do I get my soil tested in Montana?
To test your soil in Montana, 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 Recommended Partner Soil Testing Labs or your local county extension office.
How much does soil testing cost in Montana?
Routine soil fertility analysis in Montana typically costs $20 – $35 routine cold-climate soil test. Turnaround time for results is usually 7 to 10 business days.
Does every county in Montana have a Cooperative Extension Office?
Yes. Every county in Montana 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 Montana.