Home & Garden Trees & Houseplants Acid Soil About Home & Garden Tuesday, July/23/2024 Tuesday, July/23/2024 9 106 Share 0 Definition: Acid soil has a pH of less than 7.0 . You can make your soil more acidic if needed.Some trees and shrubs that prefer acid soil:AzaleasBlueberriesMaple treesRhododendronsScotch pine