soil pH
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How-To
How to Change Hydrangea Color: pH Isn’t the Only Factor
The color of the blue or pink flowers on bigleaf and mountain hydrangeas is determined by the soil in which they are planted. It’s a common belief that pH, which…
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How-To
The Four Things You Need to Know About Soil pH
Lee Reich explains what pH is, what it does, how to adjust it, and why to monitor it
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Kitchen Gardening
Sweet and Sour Soil: Testing Your Soil’s pH Levels
Understanding what soil pH is and where your specific soil falls on the pH scale gives clues as to which plants will naturally thrive in your garden. This knowledge also…
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How-To
A Soil pH Primer: Getting It Right Gets Results
Acidity and alkalinity are measured in pH units. Most vegetables grow best in a slightly acidic soil. Learn how to measure the pH of your soil and then adjust it…