How to Make Soil More Alkaline: 4 Steps



Alkaline soil refers to any soil with a pH level above 7. Making your soil more alkaline means raising your soil pH.

The pH level indicates the soil’s hydrogen ion concentration and affects how well plants can or cannot absorb necessary nutrients. Read on to learn why you might want to increase your soil’s pH and how to make soil more alkaline.

Benefits of Alkaline Soil

- Hydrangeas: In soil with a pH of 5.2-5.5, hydrangeas are likely to produce blue blossoms. If you prefer pink blossoms, you will need to raise your soil’s pH to 6.0-6.2. - Lavender: Lavender planted in more acidic soil probably won’t die immediately; however, it is unlikely to live long.

4 Steps to Make Soil Alkaline

- Step 1: Test Your Soil Quality - Step 2: Choose Your Additive - Step 3: Measure & Mix - Step 4: Monitor & Maintain

What Happens if Soil Is Too Alkaline

If alkaline contributors such as limestone are naturally present beneath the soil, it will be challenging to decrease soil alkalinity.

How to Make Soil Less Alkaline

For gardeners growing on a smaller scale, you can use vinegar to make the soil more acidic (use the guiding ratio of 1 gallon of water to 1 cup of vinegar, adjusting depending on how alkaline your soil is). This method will require much more frequent reapplication.

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