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

The UI Extension, Ada County office and website offer a variety of horticulture and gardening resources. Please see the information below or contact Ada County directly.

Services Offered

When bringing specimens into the office, follow the instructions found below. We do not perform post mortems as it is extremely hard to identify problems with dead material.

  • Insect identification: Free
  • Plant and weed identification: Free
  • Pest control recommendations: Free
  • Plant diagnostics: Free
  • University of Idaho soil test: $35.00 (Our office provides soil test kits; the test is sent by the customer to the U of I.)
Diagnostic Clinic

The Diagnostic Clinic hours are Monday, Tuesday, Wednesday:

  • 9:00 am to 12:00 pm, April
  • 9:00 am to 3:00 pm, May-August
  • 9:00 am to 12:00 pm, September-October

Please use one of the following forms when bringing specimens to the office:

How to Submit a Plant/Insect for Diagnosing or Identification:

  • Bring fresh samples, do not leave in vehicle for any length of time.
  • Trees-bring a branch approximately 12-18″ long showing the progression of the problem.
  • Turf-bring a 12″ square section from the edge of the problem area (showing a portion of the healthy & unhealthy), including 2-3″ of soil.
  • Weeds-bring whole plants with root system intact. Plants with flowers and/or seed heads are easier to identify.
  • Insects-bring in a closed container. Avoid bringing in crushed insects.

Please use the Information Request Form for all other questions or additional information not specific to the above categories.

Soil Test

Soil test kits are available at the UI Extension, Ada County office. Soil samples are gathered and prepared according to the directions provided with the kits and mailed to the University of Idaho. When you receive your results please call the UI Extension, Ada County office for help interpreting the results.

 July 3, 2013