Alternatively, apply a thorough coating of an insecticidal soap or organic insecticide, such as neem oil. How often your peach tree needs watering depends on the tree's size and age, the soil type ...

Peach and nectarine trees flower extremely early in the year ... Misting over the blossoms with a fine spray of water can also help. If a tree has a lot of developing fruitlets, thin them out.