How to Fertilize Blueberries Without Killing Them
Apply ammonium sulfate (21-0-0) or Espoma Holly-tone (4-3-4) in a ring 6-12 inches from the base. Start with 2 oz per plant in year one, increasing by 2 oz per year up to 8 oz for mature bushes. Split into two applications, half at budbreak, half 6 weeks later. Never use nitrate fertilizers. Test soil pH annually and maintain 4.5-5.5 with sulfur if needed.
What You Need to Know
Apply ammonium sulfate (21-0-0) or Espoma Holly-tone (4-3-4) in a ring 6-12 inches from the base. Start with 2 oz per plant in year one, increasing by 2 oz per year up to 8 oz for mature bushes. Split into two applications, half at budbreak, half 6 weeks later
Never use nitrate fertilizers. Test soil pH annually and maintain 4.5-5.5 with sulfur if needed.
For personalized recommendations based on your specific garden size and fertilizer, use our fertilizer calculator.
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