If you have an alkaline soil of 7+, you’ll need to amend it to make it acidic. Even a slightly acidic soil in the range of 5.5-7 will need some adjusting to get it below 5.5. Keep in mind that the more alkalinity there is in your soil, the more work it

One of the easiest ways to make soil more acidic is to add sphagnum peat.This works especially well in small garden areas. Simply add an inch or two (2.5-5 cm.) of peat to the topsoil in and around plants, or during planting.

The ideal soil pH for most landscape plants and turf grasses is around 6.5, which is slightly acidic. But there are some plants that require a more acidic soil in order to thrive. Here are some of the plants that need acidic soil: