When the pH is off balance, a plant may not be able to absorb nutrients correctly.

You won’t know if your soil pH is too low or too high unless you test it.

The lab will give you the most accurate results and usually includes a report with lots of soil details.

soil sample

The Spruce / Almar Creative

However, some trees, shrubs, and flowerssuch aslilacsandlavenderprefer a more alkaline soil.

The depth varies depending on the meter manufacturer.

With some probes, you get results instantly; others might take a minute.

items to conduct a ph test

The Spruce / Almar Creative

Some probes test more than pH, like soil moisture, sunlight, and temperature.

These digital and analog probes require no test strips, mixing of ingredients, or much time.

Some meters might require adding water to the cup.

digging soil up in a garden

Melina Hammer

For best results, follow the package instructions.

However, some are more reliable than others.

Review customer reviews andexpert advice on soil metersbefore purchasing a product.

adding vinegar to the soil

The Spruce/Claire Cohen

For more accuracy, do more than one test to compare results.

If the two independent tests align, it’s a good indicator you’re on the right track.

This test will reveal whether the soil is relatively acidic or alkaline.

adding baking soda to soil

The Spruce/Claire Cohen

Collect Soil Samples

You will need to collect at least 2 cups of dirt.

Testing kits are available at most garden centers and through local cooperative extension offices.

Pay close attention to the instructions on how long to leave the strip in the liquid.

Digging for a soil sample

The Spruce / Almar Creative

One way to correct soil pH is to plant a nitrogen-fixing cover crop (for mild winter climates).

Test the soil every few years, especially when you better amend it.

These additive elements break down over time and might need reapplying to keep the pH level optimal.

Agitating the sample with water

The Spruce / Jayme Burrows

In the fall, note the types of weeds that cropped up throughout the summer.

They can also indicate the soil pH.

It can be difficult to gauge how much amendment is needed.

Straining the sample through a coffee filter

The Spruce / Jayme Burrows

Organic materials blended into the soil or applied as a top-dressing mulch improve soil texture and nutrient value.

It’s best not to use tap water to test soil pH.

Distilled water is better for soil testing.

Dipping the pH test strip into the liquid

The Spruce / Jayme Burrows

The minerals in tap water can upset the pH and adversely affect the test.