Achieving the optimal pH can involve modifying the soil with elemental sulfur, especially in cases where the soil is too alkaline ...

And while most plants prefer a pH of 5.5 to 7.5 (7.0 is considered neutral), it's also good to remember there's more to soil ...

High levels of hydrogen result in more acidic soils. The pH scale ranges from zero ... onion and even tomato. Ornamental plants such as hydrangea, azalea, rhododendron, magnolias, holly and wax ...

Coffee grounds can contain compounds that help suppress some plant disease-causing microbes. Coffee grounds make an excellent addition to compost. If you want to lower your soil's pH, elemental sulfur ...

Some plants, like azaleas, grow best in acidic soils and will quickly ... Different species have evolved to survive at different pH levels found within water. pH meters can accurately determine ...