Encourage your home orchards to produce delicious and nutritious tree fruits with Fruit Tree 6-2-4 Organic Fertilizer. Omri Listed. Derived from: Feather Meal, Fish Bone Meal, Calcium Carbonate, Langbeinite, Potassium Sulfate, Alfalfa Meal and Kelp Meal. Apply 1 cup of Fruit Tree fertilizer per inch of trunk diameter just after blooming finishes in spring. Apply evenly to soil around the tree, starting a foot from the trunk and working outward toward the drip-line. Make two repeat applications. 5 lb box or 25 lb bag.