Hydrangeas can add a colourful hue to your outdoor space so making sure they maintain their brightest colour is crucial. If ...

EXCLUSIVE: One key consideration is vital for ensuring the flowers retain their rich blue hue, a gardening guru says.

Patience is essential when acidifying your soil, because the process requires microbes to slowly turn the sulfur into sulfate. This generally happens more quickly in spring and summer when the ...

If your garden soil lacks acidity, you can correct the imbalance with this safe, affordable, and widely available addition.

Is there any truth to the claim that pine needle mulch makes soil more acidic, or is it a myth? We looked at the science of ...

Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

Get a soil test, especially if your plants are not thriving or you want to change the acidity of the soil. Most counties have a local Cooperative Extension Service that offers services to gardeners.

According to new Yale research, adding lime to agricultural soils may help remove carbon dioxide from the atmosphere.

Contrary to popular belief, it’s a myth that coffee grounds are acidic and will lower the pH of the soil. After brewing, the grounds are close to pH neutral, between 6.5 and 6.8.