Blueberries are juicy, sweet and easy to prepare. They're also good for you. They can lower blood cholesterol, prevent urinary tract infections, and even fight some cancers, according to Ohio State University. Growing them can be a challenge, because blueberries require a soil pH of 4.0 to 4.5, the most acidic soil requirement of any cultivated plant. Few gardeners have soil this acidic, and must add amendments to change the pH level. Additionally, you'll need to add amendments even after planting blueberries to maintain a proper pH level.
Contact your local county extension office to obtain a soil test kit. Scoop soil from the area where you plan to plant blueberries into the soil test vials or bag, according to the package directions. Mail it to your local county extension office. You'll receive a detailed soil analysis in a few weeks.
Apply granular sulfur to the soil, based on the recommendations of the soil test kit. Ranges vary depending on the original pH level of your soil and your type of soil. Sandy soil requires the smallest amount of sulfur, while clay soil needs a larger amount to lower the pH level of your soil.
Till the granular sulfur into the soil by digging into the soil to a depth of 4 inches. Wait three months before proceeding.
Conduct another soil test. Add more granular sulfur if indicated by the soil test results.
Lay a 2-inch layer of moistened peat moss over your soil and dig it in with the shovel. Peat moss is naturally acidic; it also adds organic matter to the soil, improving its texture.
Dig a hole deep and wide enough to accommodate the root system of the blueberry plant. Remove the plant from its container and set it in the hole. Spread bare roots out. Back fill the hole with soil and tamp down lightly. Water the blueberry plant until evenly moist.
Spread a 4-inch layer of pine needles or pine wood chip mulch around your planted blueberry bushes. Pine needles or wood chip mulch add acid to the soil.