For the most detailed and accurate soil tests, send your samples to a soil lab. That way, you can get your results and make any fixes in time for spring. Regular soil analysis prevents unexpected deficiencies that may injure plants. The soil of established gardens should be tested every 3 to 5 years. For a warm-season lawn, submit samples in the fall or winter. How should a soil sample (s) be taken? The frequency of soil testing depends on several factors, including the type of crops you’re growing, soil type, climate, and fertilization practices. · for optimum plant growth, it is recommended to test your soil ph and nutrient status every 3 to 5 years. A soil sample should be taken at least once every three years, or when there is a change in crop to be grown. A soil sample should also be taken if problems occur during the growing season. This amount of time allows for gradual nutrient depletion and ph adjustments to occur. · see what your soil needs with a simple test. For a cool season lawn, submit samples the previous summer; · how often should i test my soil ? Can samples be taken when soils are wet? · established gardens are likely to need a comprehensive analysis every 2 or 3 growing seasons. · soil tests measure soil ph and nutrient content. Nutrient levels in soils are not static. · the soil - test report will make recommendations for the next growing season, so test soil several months before planting or fertilizing. How often should i test my soil? You can take soil samples any time of the year, with fall preferable. Learn how with our complete guide to soil testing. How many one thousand square feet in an acre?