The present invention provides formulations and methods for controlling or suppressing bacterial or fungal plant pathogens, including Erwina amylovora the bacteria that causes fire blight. A formulation for controlling of suppressing a plant pathogen may include at least one beneficial species of bacteria, at least one beneficial species of fungi, a nutrient, at least one compound that extends the length of time that the formulation remains effective. Typically the formulation is applied to the above ground structures of the plant including its leaves, flowers, stems, trunk, blossoms and fruit.