Cooperative State Extension Offices
Garden-Helper.com is pleased to offer you this directory of State Cooperative Extension Service Offices. Every state has multiple offices, typically one for every county. You can get the local office information by calling the telephone numbers listed with each state.
The Cooperative Extension is a national network that combines federal, state and local expertise and funding to provide assistance to growers in the local region. Typically they provide soil testing laboratories, advice, groups and meetings. They are a wealth of information and a fantastic way of meeting other people with an interest in gardening.
Before planting, you should understand the fertility of yourgarden soil. Is the pH too low or the phosphorus and potassium too high? Thesequestions are difficult to answer if you haven't given your soil a test lately.Annual applications of fertilizer can raise the nutrient levels excessivelyhigh reducing plantgrowth and prevent seed germination. This simple test can diagnose a problem and prescribe the proper medication for your soil.It is easy touse and includes 40 tests! 10 for each pH, N, P, and K.Become the Master of your soil Get a test kit today!
Easy-to-use strips measure pH, nitrogen, phosphorus and potassium in soil.
| State | Location | Telephone |
| Alabama | Auburn University | (334)844-4444 |
| Alaska | University of Alaska | (907)474-6567 |
| Arizona | College of Agriculture, University of Arizona | (520)621-7209 |
| Arkansas | University of Arkansas | (501)671-2117 |
| California | University of California - Agriculture and Natural Resources | (510)987-0060 |
| Colorado | Colorado State University | (970)491-6281 |
| Connecticut | College of Agriculture and Natural Resources - University of Connecticut | (860)486-6271 |
| Delaware | University of Delaware | (302)831-2504 |
| Florida | University of Florida | (352)392-1761 |
| Georgia | University of Georgia | (706)542-3824 |
| Hawaii | University of Hawaii | (808)956-8397 |
| Idaho | University of Idaho | (208)885-6639 |
| Illinois | University of Illinois | (217)333-5900 |
| Indiana | Purdue University | (888)398-4636 |
| Iowa | Iowa State University | (515)294-6192 |
| Kansas | Kansas State University | (785)532-6147 |
| Kentucky | University of Kentucky | (606)257-4772 |
| Louisiana | Lousisiana State University | (504)388-4143 |
| Maine | University of Maine | (207)581-3186 |
| Maryland | University of Maryland | (410)405-2027 |
| Massachusetts | University of Massachusettes | (413)545-2716 |
| Michigan | Michigan State University | (417)355-2308 |
| Minnesota | University of Minnesota | (612)625-1915 |
| Mississippi | Mississippi State University | (601)325-8594 |
| Missouri | University of Missouri | (573)882-7754 |
| Montana | Montana State University | (406)994-4371 |
| Nebraska | University of Nebraska | (402)472-2966 |
| Nevada | University of Nevada | (702)784-1614 |
| New Hampshire | University of New Hampshire | (603)862-1520 |
| New Jersey | State University of Rutgers | (732)932-9306 |
| New Mexico | New Mexico State University | (505)646-3015 |
| New York | Cornell University | (607)255-2552 |
| North Carolina | North Carolina State University | (919)515-2811 |
| North Dakota | North Dakota State University | (701)231-8944 |
| Ohio | Ohio State University | (614)292-3897 |
| Oklahoma | Oklahoma State University | (405)744-5398 |
| Oregon | Oregon State University | (541)737-2713 |
| Pennsylvania | Penn State University | (814)865-2541 |
| Rhode Island | University of Rhode Island | (401)792-2474 |
| South Carolina | Clemson University | (803)656-3382 |
| South Dakota | South Dakota State University | (605)688-4792 |
| Tennessee | University of Tennessee | (423)974-7114 |
| Texas | Texas A&M University | (409)845-7967 |
| Utah | Utah State University | (801)797-2200 |
| Vermont | University of Vermont | (802)656-2980 |
| Virginia | Virginia Polytech Institute and State University | (540)335-4563 |
| Washington | Washington State University | (509)335-4563 |
| West Virginia | West Virginia University | (304)293-5691 |
| Wisconsin | University of Wisconsin | (608)262-9781 |
| Wyoming | University of Wyoming | (307)766-5125 |