Blueberry bushes prefer acidic soil and are sensitive to large amounts of fertilizer, especially nitrogen in the form of nitrates. Ammonium sulfate is the best fertilizer for blueberry bushes because it contains no nitrates and it helps lower the pH of the soil. It should be applied in late winter or early spring in a circle around the plant.
About the Author
Melody Lee holds a degree in landscape design, is a Florida Master Gardener, and has more than 30 years of gardening experience. She currently works as a writer and copy editor. Her previous jobs include reporter, photographer and editor for a weekly newspaper.