A Happy Frog fertilizer made especially for your citrus and avacado plants! FoxFarm Happy Frog Citrus & Avocado Fertilizer contains nitrogen for lush vegetative growth, as well as calcium and sulfur. Mycorrhizal fungi increases root efficiency for better nutrient uptake and water absorption. 7 - 3 - 3 (7 nitrogen - 3 phosphorus - 0 potassium). OMRI Listed and Registered CDFA Organic Input Material. Granular fertilizer. 4 lb. bag. Always read and follow label directions. 

What is the coverage area? 
Newly planted trees: 1 cup, 3x per growing season. 
Mid-size trees: 2 cups, 3x per growing season. 
Large trees: 3 cups, 3x per growing season.