Question: We have two blueberry bushes that were purchased from a nursery. We are using them as part of the foundation planting and understand something is needed to keep the soil acid. Sweet pickle juice and diluted vinegar have been recommended, but so far we have been reluctant to try it. EL, Minnesota.
Answer: Soil suitable for blueberries will usually be acid. Lots of peat moss worked into a sandy soil, and kept watered should grow them without further treatment. If it is necessary to increase the soil acidity a little aluminum sulfate scattered on the surface is the simplest procedure. Vinegar, will acidify soil and may be placed around your plants without fear of injury. Remember it doesn’t take much acid to increase the acidity of soil several points.