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Several varieties of Hydrangea macrophylla are color changeable. The flower color is determined in part by the soil’s pH level. A soil sample indicates the nutrients and pH level of the soil, ...

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 ...

CORVALLIS – Often not considered, soil pH has as much effect on plant health as disease, insects, drought and drainage. Keeping pH in the right range for certain plants is essential, according to ...

Q: I just purchased a house in Grand Forks that I want to begin landscaping. The soil is gumbo and has a pH of 7.5. One of the plants I want to establish is a rugosa rose (snow pavement). While I love ...

The right amount of calcium in the soil can help plants grow healthy and strong. Test your soil first to determine how much ...

When I started gardening, I assumed you could put seeds in dirt, add water and watch them grow into plants. That uneducated approach produced haphazard results and few vegetables. Somehow, I missed ...

If you have highly acidic soil, some plants will suffer due to a lack of accessible nutrients. Fortunately, amending with garden lime is a straightforward way to adjust pH levels. Most plants prefer ...

There’s something magical about fall—the crisp air, the pumpkin spice, and the avalanche of leaves carpeting your yard. Most ...

Although non-native, blueberries can be grown in eastern Kansas for gardeners willing to work and plan ahead. A relative of azaleas and rhododendrons, blueberries require an acidic pH, between 4.8 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 ...