Blueberries require an acidic soil relatively high in organic matter. A soil pH of 4.8 to 5.2 is best for optimal growth. The soil should be tested prior to planting. The pH measurement refers to the ...

Blueberries require a pH between 4.0-5.5. If the pH of the soil is over 5.5, then the soil is not acidic enough for blueberries. Add an acidic soil amendment such as sulfur or sphagnum peat to the ...

Blueberries thrive in acidic soils (pH 4.0-5.5) that have plenty of organic matter. If your pH is higher you can add acid sphagnum peat moss into the planting hole and mulch with pine bark.