When to Spray Apple Trees – What You Need To Know

Apple trees are some of the most iconic fruit trees in the planet with each and every tree yielding hundreds to countless numbers of apples per yr. It is no ponder that men and women develop them to appreciate the fruits of their labor! Numerous individuals know that you’re meant to spray apple trees to protect them, but the timing can be elusive. When precisely are you supposed to spray apple trees, and what goods do you use?

When Should I Spray My Apple Trees?

You can spray your apple tree at virtually any time of yr, but the time of 12 months will figure out what solution you need to have. Let us check out what goods you can spray on your apple trees throughout each and every year and what specifically they do.

Winter: Insects & Egg Treatment

For the duration of the wintertime, you can apply dormant oil to your apple trees at the identical time you’d prune the tree. Dormant oil is a merchandise composed of drinking water and petroleum or a vegetable-dependent oil. Neem oil is another common decision. When applied to the tree throughout winter, it will help get rid of wintering bugs and eggs, like aphids and mites.

Although this is regarded as optional, we strongly stimulate you to not skip spraying your trees with dormant oil for the winter. It will not only eliminate bugs and eggs but aid defend your tree in the lengthy expression.

old woman spraying on her apple tree
Image Credit: pamuk, Shutterstock

Spring: Insects & Mildew Treatment

Right after it is warmed up, you can spray different insecticides on your trees to eliminate harvest-ruining pests and mildew. The ideal time to spray is when your bouquets have opened, but not however bloomed. For pests, you can use an insecticidal cleaning soap or permethrin. To management rampant powdery mildew, you can use both lime sulfur or a specialized spring/summer horticultural oil.

Summer: Codling Moth Treatment

This is in which factors get tough. Codling moths are the most pernicious apple pest of all, so you have to take drastic measures to safeguard your trees. During the summer, codling moths have 2 daily life cycles, so you have to frequently spray your apple trees with spinosad, esfenvalerate, or acetamiprid. Spray the trees weekly for the total summertime, and often examine your tree for indications of larvae or eggs.

man spraying in an apple tree orchard
Image Credit: branislavpudar, Shutterstock

Fall: Mites & Clean-Up

Use a horticultural oil as soon as a thirty day period in the course of the fall to keep mites and other microscopic pests away from your trees. Additionally, it’ll discourage other bugs from laying eggs on your trees for the winter season. And lastly, you should bag all fruit that dropped to the ground because individuals apples are a prime breeding floor for subsequent year’s pest population.

The Best Time to Spray Apple Trees

Season What to Spray For
Spring Insects, eggs, larvae, and mildew
Summer Codling moths and other insects
Fall Mites and other insects
Winter Insects and eggs
apple tree plantation
Image Credit: Tama66, Pixabay

Other Diseases and Insects to Watch For

Depending on your spot, you could have to fear about specified illnesses that influence apple trees, like hearth blight, spider mites, and more.

A few to watch for include:
  • Fire Blight. The disease first affects the tips of branches, turning them reddish brown. If left unchecked, fire blight will race toward your trunk and kill your apple tree.
  • Spider Mites. There’s very little to be done about repelling spider mites but keeping your tree healthy will make them more likely to go after other, weaker trees.


Apple trees can create fruit for decades if effectively taken care of but pests and illnesses can make it difficult. Combat these problems by spraying the appropriate goods for the year, and don’t overlook to use dormant oil for the wintertime!



Showcased Image Credit history: Lichtsammler, Pixabay