Anyone who has picked up an instructional gardening book has gleaned that it might be important to test your soil’s pH before embarking on any major planting project—but too often gardeners skip this ...

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We may receive a commission on purchases made from links. If you have leggy or struggling plants, it's often a sign that you should test the soil's pH level. You can invest in professional testing; ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...

One of the biggest factors affecting the health of plants in your garden is the pH of the soil, which is a measure of its acidity or alkalinity. A pH of 7.0 is neutral while that above 7.0 is alkaline ...

The color of hydrangea flowers can change from pink to purple and blue by tweaking the soil. How do other plants react to those changes? Sydney Kozak explored just that. Her project, “Does changing ...

Discover why you should test your soil in January, with insights from a garden expert. Get ahead of the growing season by ...