This week's gardening column addresses the importance of neutral pH in your garden soil, as well as why "princess trees" are a royal pain.

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 ...

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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 ...

Maintaining the proper pH in your soil is crucial for growing a lush and verdant lawn. If soil pH is off, essential nutrients like phosphorus nitrogen and potassium will be locked in the soil and ...

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 ...