What Should I Use to Spray My Apple Trees

Horticultural oil is a well known insecticide for application during a tree’s dormant period to prevent unintended harm to beneficial insects such as bees and ladybugs. The University of California recommends spraying apple trees with dormant oil in the winter to control San Jose scale, and aphid and mite eggs.

What to put on apple trees to prevent bugs?

Spray with a fungicide, such as lime sulfur or lime sulfur with oil, horticultural oil or neem oil, when the tips of the green leaves are approximately 1/2 inch long and again when pink flower buds appear. Continue spraying every 10 days as long as it is raining.

What is a natural spray for apple trees?

You need 6 basic ingredients to make your apple tree spray: canola oil, cinnamon oil, cayenne pepper, garlic powder, dish detergent and water (The one ingredient I was missing was the cinnamon oil, this is easy to make at home).