Apply when the temperature is expected to rise during the day; temperatures below 35.

Jun 14, Insecticidal sprays – Use insecticidal spray when the flower petals fall to take care of most fruit tree pests. The only exception to this rule for home use is probably the codling moth. To take care of this common insect, spray the trees again two weeks after the petals fall, and one final time in the middle of summer to take care of the second generation of moths that often arrives.

Jan 12, Over several years, affected trees may decline and fruit production can be reduced. To prevent peach leaf curl, trees must be sprayed with a fungicide after their leaves have dropped and they are dormant. This is usually in late November, or December. Such dormant spraying is more effective than waiting until the weather warms and pests become active. Below are some least toxic sprays and treatments for fruit trees.

These products are widely available at garden centers. Always follow label directions. Dormant Oil: Apply when trees are dormant, November through March, after all the leaves have fallen.

Mix with water as directed and spray to all surfaces of Estimated Reading Time: 3 mins. Jul 27, Apply general purpose fruit tree spray at one- to two-week intervals following key plant development observations.

The first application is at green tip, followed by pre-bloom, full pink, petal Estimated Reading Time: 8 mins. Spray your fruit tree twice with either a natural sulfur-based fungicidal spray or a spray made from chemicals. First, spray when the flower buds first begin to develop in early spring. When the buds grow larger and swell, but before they open, spray again.

This lapse of time is normally 10 to 14 days. Jan 22, Then, it is time to spray, especially if you want to control pests residing in the cracks and crevices of fruit trees. Although a first spraying is usually called for in late fall, it's not too late to set up a schedule that will reduce bug bevies big time.