University of Idaho Extension, Latah County U-Idaho Extension Image Map

The Latah County Extension staff  are happy to help you with information about having your soil tested. We have a soil probe to loan out and provide a collection bag and submission form at no charge.  Call to check on availability of the soil probe.   After collecting the sample, it will need to be taken to the University of Idaho Soil Analytical  Labaoratory. The standard soil fertility test includes pH, nitrogen, phosphorous, potassium, and organic matter and costs $35.  

How to take a soil sample:

1. Assemble a clean clean plastic bucket, and a shovel or soil probe.  Tools should be stainless steel or aluminum alloy; no iron.

2. Take 8-12 randomly spaced soil samples at a depth of 8-12 inches.

3. Mix samples thoroughly and fill collection bag with 2 cups of composite soil.

4. Fill out the submission form with name, address, and phone.  Under “Submitter ID” column, also indicate what you are sampling, i.e., vegetable garden, lawn, flower bed, blueberry bed.

5. Take sample, a $35.00  check payable to “Bursar, University of Idaho,”  and submission form to the Analytical Sciences Laboratory, in the Holm Research Center, 2222 W. 6th Street, Moscow (located at the west end of 6th Street; the very last brick building on the road, adjacent to the mall and the sewage treatment plant).

6. Plan on receiving results back from the laboratory in approximately ten days.  After receiving the results, contact the Extension office for help in interpretation.

Some additional reading:





 May 30, 2013

Plant and insect samples may be brought in for identification or diagnosis to the Extension Office.  Accurate identification, diagnosis, and recommendations depend on many factors: the more information you can provide about your sample, the better we will be able to aid you.  Below are forms that you may download, fill out as best you can, and bring in with your sample.

Sample Submission Forms

 May 15, 2013

Presented by the Latah County Master Gardeners, this free series is offered to the public at no charge.  Call today to reserve your seat! 208-883-2267 or by email:

Victory Garden Series

 April 23, 2013
Landscaped garden

We offer you assistance to research and answer your queries about vegetable gardening, fruit trees, ornamentals, lawns, insects, weeds, and other related topics.

General horticulture programs and workshops are developed, based on community needs.  See calendar and events.

We offer soil sampling instructions and interpretation of soil sample results.

Horticulture Sample Submission Guidelines

Soil Sample Submission Guidelines–“How to take a soil sample”



Plant Clinic

If you have a home horticulture problem, we offer a Plant Clinic to assist you throughout the growing season, beginning in May.  Bring your sample to the Latah County Extension Office on Tuesday mornings between 9:00 a.m. and 11:30 a.m., or Thursday afternoons between 1:30 p.m. and 4:00 p.m.  We are located on the third floor of the federal building; 220 E. 5th Street, Room 336, in Moscow, ID.

Horticulture Sample Submission Guidelines


Master Gardeners

The University of Idaho Master Gardener Program is an educational opportunity designed to meet the gardening information needs of the communtiy.  The program’s purpose is to more effectively extend technical assistance and provide home horticulture information to the community through the use of qualified volunteers.  Training is offered annually, mid-January through April. Each three-hour weekly class is taught by experts in their field.  Topics may include soils, entomology, organic gardening, weeds, pruning, composting, fruits, and more.

Individuals who are interested in becoming Master Gardener volunteers must have the enthusiasm, commitment and time to volunteer; enjoy working with plants and people of all ages; a strong interest in horticulture and home gardening, and be willing to communicate and share knkowledge effectively with others.  For more information, contact Rachel Rausch, Program Coordinator.


 April 23, 2013

Master Gardeners receive a valuable research-based education and use their new knowledge to serve their neighbors, their communities, their environment, and themselves.

Master Gardeners develop and share expertise in a broad range of horticultural topics, such as home food production, controlling garden and landscape insect pests, improving soil, choosing the right trees, growing roses, and so forth. “Helping people grow” is the motto of the Idaho Master Gardener program, reflecting the goal to help extension meet the needs for gardening information in our communities.

Idaho Master Gardeners make a difference in their communities by:

  • Sharing contemporary information that will help local citizens beautify personal and public places, be more self-sufficient in food production, become better stewards of the environment, and successfully grow healthy plants.
  • Helping operate programs that teach youth to appreciate horticulture, grow their own food, and care for the world around them.
  • Operating plant diagnostics clinics to help people solve gardening problems.
  • Teaching classes for civic organizations, church groups, garden clubs, and schools.
  • Creating projects to beautify buildings, parks, and other public places.
  • Developing and managing community vegetable gardens.
  • Bringing the joy of gardening to both children and adults
  • Delivering horticultural know-how to their communities in many other gratifying ways.

Individuals interested in becoming a Master Gardener should:

  • Have interest in, some knowledge of, and experience with basic gardening and related horticultural topics.
  • Be able to communicate effectively with the public.
  • Be willing to complete 40 to 50 hours of instruction and provide a minimum of 30 to 50 hours of service.



 February 15, 2013