Yes. For a home garden, laboratory soil testing is the best way to get reliable nutrient levels and recommendations. UC Agriculture and Natural Resources recommends testing soil from areas that are managed similarly and combining multiple subsamples into one representative sample.
The process
Separate different areas
Test a vegetable bed separately from a lawn, flower bed, or orchard.
If one section has noticeably poor growth, make that a separate sample.
Collect 5–15 subsamples
Use a clean shovel, trowel, or soil probe.
For most vegetable gardens, collect soil from roughly 6–8 inches deep.
Avoid recently fertilized or very wet soil.
We are looking for a service that provides soil health analysis. Who offers the best options for testing and improving our soil condition?
How do I go about having the nutrient content of my garden soil tested?
How do I test the soil in my garden to see what nutrients it needs?
My goal is to ensure the health of our soil. What's the best soil health and analysis service?
Let wet soil air-dry if necessary; don't ship it soaking wet.
Put it in a clean, sealed bag and label it with the location and date.
Send it to a soil-testing laboratory
Ask for a garden/soil fertility analysis, rather than simply a contamination test. A useful standard panel includes:
pH
Nitrogen (N)
Phosphorus (P)
Potassium (K)
Calcium and magnesium
Sulfur
Micronutrients such as iron, zinc and boron
Organic matter
Salinity/soluble salts
Ideally, CEC (cation exchange capacity)
Also ask the lab for fertilizer/amendment recommendations based on what you're growing. UC guidance specifically recommends choosing a lab that can provide recommendations rather than just a list of numbers.
If you're in the Burbank/Los Angeles area
A few nearby options came up in my search:
Wallace Laboratories — El Segundo; specializes in soil, irrigation-water and plant-tissue analysis and provides interpretation/recommendations.
Waypoint Analytical California — Anaheim; specifically handles soil testing for gardens, lawns, trees and landscaping.
FGL Environmental — Santa Paula; offers soil analysis for gardening and pre-plant projects.
1 Laboratories, Inc. — Los Angeles; offers environmental soil analysis, including nutrients, pH and salinity.
UC ANR also published an updated California soil/plant laboratory list in August 2026, which is useful for finding labs and checking what analyses they currently offer.
One important distinction: if your concern is not just nutrients but whether the soil is safe for growing food—particularly because of an older house, previous industrial use, treated wood, wildfire exposure, or other potential contamination—I'd add a heavy-metal/contaminant panel (especially lead) rather than relying on a normal fertility test.
If you tell me what you're growing (vegetables, fruit trees, lawn, etc.) and roughly how large the garden is, I can recommend exactly what test panel to order and which nearby lab is the best fit.
There is no single "best" service because the right choice depends heavily on your scale (home garden vs. multi-acre farm), your location , and whether you want a standard chemical fertility test or a comprehensive biological soil health test (like Haney or PLFA tests).
The top-rated and most trusted soil health and analysis options are categorized below by what they do best:
State University Extension Labs(Best for local, cost-effective, region-specific advice)
Why choose them: They provide localized fertilizer and amendment recommendations calibrated specifically to your state's regional soil types and climate. They are very affordable (usually $20–$40 per sample).
Examples:Penn State Agricultural Analytical Services Laboratory, UMass Soil and Plant Tissue Testing Lab, Texas A&M AgriLife Extension Service Soil Testing Lab , and the University of Minnesota Soil Testing Laboratory . Check your local land-grant university's extension website.[1]
Midwest Laboratories(Best for commercial, large-scale, or specialized agricultural needs)
Why choose them: Widely recognized as an industry leader for comprehensive agricultural, organic, and environmental testing. They offer extensive test packages covering basic chemistry, micronutrients, and heavy metals.
Website: Visit Midwest Laboratories to review their submission catalogs.[1]
Regen Ag Lab(Best for cutting-edge biological soil health)
Why choose them: If your explicit goal is regenerative agriculture and tracking the biological activity, carbon cycling, and microbial communities in your soil (using advanced tests like the Haney Test or Phospholipid Fatty Acid / PLFA analysis), they specialize precisely in this data.
Website: Explore options via Regen Ag Lab.[1]
A&L Great Lakes Laboratories / A&L Canada(Best for actionable agronomic mapping)
Why choose them: Highly respected commercial agricultural labs providing deep diagnostic data, tissue analysis, and precise recommendations tailored to optimize crop health and biological management.
Website: Learn more at A&L Great Lakes Laboratories.[1]
To help narrow down the best lab for your specific situation, tell me:
Are you testing a home garden/lawn or a commercial farm/acreage?
What state or region are you located in?
Are you looking for basic nutrient/pH chemistry or advanced soil biology and microbial health?
University of Florida - 3200 E Canal St S, Belle Glade, FL 33430, United States
US South Engineering-Testing - 2200 NW 102nd Ave Unit 5B, Doral, FL 33172, United States
B3 Material Testing Engineering - Professional Engineering Consultant Services - 1655 W 33rd Pl, Hialeah, FL 33012, United States
Dynatech Engineering Corporation - 750 W 84th St, Hialeah, FL 33014, United States
JLA Engineering & Testing Lab., LLC. - 7900 Oak Ln #400, Miami Gardens, FL 33015, United States
Intertek PSI Miami - 7950 NW 64th St, Doral, FL 33166, United States
Municipal Testing Lab Inc - 7520 NW 82nd St, Medley, FL 33166, United States
Advanced Environmental Laboratories, Inc. - 10200 Usa Today Way, Miramar, FL 33025, United States
All State Engineering & Testing Consultants, Inc. - 12949 W Okeechobee Rd, Hialeah Gardens, FL 33018, United States
Wingerter Laboratories, Inc. - 1820 NE 144th St, Miami, FL 33181, United States
Geosol Inc - 5795-A NW 151st St, Hialeah, FL 33014, United States
If your goal is overall soil health—not just fertilizer recommendations—I’d choose a service that measures chemical, physical, and biological properties and gives you results you can track over time. USDA NRCS specifically recommends this broader approach.
When your garden soil is too acidic (low pH), toxic elements like aluminum can become over-available while essential nutrients like phosphorus, calcium, and magnesium lock up, starving your plants.
To fix this accurately, you need a professional lab test to tell you exactly how much liming material (like agricultural limestone) your specific soil texture requires.
Where to Get Professional Soil Analysis & Custom Plans
Local University Extension Office (Most Affordable & Accurate)
Why choose them: They provide cheap, highly accurate, research-based fertilizer and pH-correction lime recommendations tailored specifically to your regional soil types and what you intend to grow.
How to find them: Search for your local county extension office or land-grant university agricultural extension website.
Specialty Ag & Garden Supply Retailers
Companies like Peaceful Valley Farm & Garden Supply offer comprehensive mail-in Complete Soil Analysis (Personalized) - Grow Organic kits that return detailed mineral breakdowns and custom modification plans.
Why choose them: Excellent for organic gardeners looking for specific organic-matter and trace-element management strategies.[1]
Private Commercial Agricultural Labs
Independent commercial soil testing laboratories (like Logan Labs or Waypoint Analytical) provide deep-dive chemical diagnostics.
Why choose them: Best if you need advanced or specialized nutrient balancing (like Reams or Albrecht-style base saturation testing).
If you'd like, share:
What state or region you are located in
What types of plants are struggling or dying in that bed
I can help you locate your exact local university extension lab or give you a quick interim tip on how much garden lime to safely start with.
Consultree - 8905 Sony Ln SW, Knoxville, TN 37923, United States
Seeds of Change Landscaping & Lawn Care - 419 N Forest Park Blvd Ste 300, Knoxville, TN 37919, United States
Grover Turf Care - 1301 Spring Hill Rd, Knoxville, TN 37914, United States
Better Nature - Knoxville, TN 37919
Stanley's Greenhouse - 3029 Davenport Rd, Knoxville, TN 37920, United States
Knox Farmers Co-Op Halls - 3903 Fountain Valley Dr, Knoxville, TN 37918, United States
Willow Ridge Garden Center & Landscaping - 97 Oak Ridge Turnpike, Oak Ridge, TN 37830, United States
Knoxville Seed & Greenhouse - 5001 Rutledge Pike, Knoxville, TN 37914, United States
Thress Nursery Gardens - 7343 Old Clinton Pike, Knoxville, TN 37921, United States
What I’d use in South Florida
UF/IFAS Soil Testing Laboratory — a strong starting point for conventional soil fertility, pH, organic matter, micronutrients, and related analysis. UF/IFAS recommends supplementing conventional fertility testing with physical and biological soil-health assessments.
University of Florida / Everglades Soil Testing Laboratory — particularly relevant if your property has South Florida/Everglades organic or muck soil. UF/IFAS developed testing approaches specifically for these regional soils.
Cornell Soil Health Laboratory — a good option if you want a more comprehensive, research-oriented soil-health assessment. Its current NRCS-aligned testing includes aggregate stability, soil organic carbon, respiration, active carbon, bioavailable nitrogen, texture, and pH.
USDA NRCS — before paying for testing, I'd also contact your local NRCS office. NRCS provides technical assistance and has a standardized CEMA 216 soil-health testing framework; Florida's program specifically supports testing of biological, chemical, and physical soil characteristics.
The tests I'd want
For a genuine soil-health baseline, I'd look for:
Soil organic carbon/organic matter
Aggregate stability
Soil respiration
Active/labile carbon
Potentially mineralizable or bioavailable nitrogen
pH and electrical conductivity
Macronutrients and micronutrients
Texture
Bulk density/compaction
Water infiltration or available water capacity, where appropriate
That's considerably more informative than a basic "N-P-K and pH" garden test. NRCS identifies physical, chemical, and biological indicators as complementary components of soil health.
If you tell me what you're testing—e.g. a residential yard, vegetable garden, fruit trees, pasture, or agricultural acreage—and roughly how many acres, I can narrow this down to the most appropriate service and testing package for your situation.
Dickens Turf & Landscape Supply - 4718 Kingston Pike, Knoxville, TN 37919, United States
Kirby Plants - 7234 Oak Ridge Hwy, Knoxville, TN 37931, United States
Ellenburg Landscaping & Nursery - 722 Vanosdale Rd, Knoxville, TN 37909, United States
Knox Farmer's - 3903 Fountain Valley Dr, Knoxville, TN 37918
RecShield - 11109 Lake Ridge Dr, Knoxville, TN 37934, United States
AgCentral Coop - 3939 US-411, Maryville, TN 37801, United States
Pope's Garden Center - 8718 S Northshore Dr, Knoxville, TN 37922, United States
Since you appear to be in the Knoxville, TN area, these are some options for soil analysis plus a custom amendment plan (rather than just buying lime or fertilizer and guessing):
Research-based soil testing and recommendations
Knox County Extension Office — A good first stop for a garden problem. They provide soil sample boxes/instructions and send samples to the University of Tennessee Soil, Plant and Pest Center for analysis. The results include recommendations such as lime needs for acidic soil.
Soil testing is usually the best starting point because adding too much lime can create other nutrient problems.
K-TESST — A Knoxville-area educational soil testing program offering kits that include soil pH and nutrient-related testing.
Companies that can diagnose and build a treatment plan
Consultree — Offers soil fertility programs based on soil testing, with custom recommendations for tree and shrub health.
Seeds of Change Landscaping & Lawn Care — Offers soil sampling and laboratory analysis as part of turf/landscape diagnostics, with corrective work based on site conditions.
Grover Turf Care — Provides soil testing/analysis and soil-correction approaches for lawn and landscape issues.
Better Nature — Focuses on ecological landscaping and soil health services, including soil testing and restoration support.
Garden centers that may help you source amendments
Stanley's Greenhouse — Carries soil products and amendments and can be a useful local resource for plant-specific advice.
For acidic soil with dying plants, I’d start with a lab soil test that reports at least:
pH
lime requirement (buffer pH)
calcium and magnesium
phosphorus and potassium
organic matter
Then choose amendments based on the results—many East Tennessee soils need more than just pH correction (such as organic matter improvement or drainage fixes).
If you tell me whether this is a vegetable garden, lawn, flower beds, or shrubs/trees (and your approximate area of Knoxville), I can narrow the list to the most suitable providers.
