Peach trees, according to Walter Reed, host of "DIY's Garden Sense," are difficult to grow, even in the Southeast where peach trees grow in huge numbers. With the right care and attention, however, you can successfully grow fruiting peach trees. By adding fertilizer on a rigid schedule, you will reap the benefits when it's time to harvest peaches.
Determine how much fertilizer you need and when to apply it. A first-year peach tree needs 1 cup of a balanced 10-10-10 fertilizer in April and a half-cup in June and early August. Each year thereafter, fertilize your peach tree using the following guidelines: Apply the same number of cups of 10-10-10 fertilizer as the tree is in age in early March and early August. The maximum amounts are 10 cups in March and 4 cups in August.
Spread the fertilizer evenly starting around the base of the tree and then outward for 3 feet. Use your hands or a hand-held mechanical spreader to spread the fertilizer. If spreading the fertilizer with your hands, wear gloves. If using a mechanical spreader, put the fertilizer in the top and turn the crank to release the fertilizer.
Water your peach tree with about an inch of water. Water the entire area where you fertilized--a 3-foot radius around the trunk of the tree.