When to Spray Fruit Trees

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It’s often helpful for fruit bearing trees to receive a spring treatment of Dormant Oil Spray. I make it myself and it’s very effective.

But WHEN do you apply it? That’s the question answered in this video.

The aspect of timing has 4 factors:
1. After pruning
2. After (best as possible) the last hard frost
3. On a dry day when the spray will have effect
4. BEFORE the flowers open on the tree

For me, this is usually between sometime in April depending on the frost and the tree.

In my opinion, getting #4 correct on timing is most important because you don’t ever want to be coating a pollinator with Dormant Oil Spray. After oil, the spray is intended to be hard on insects so feel a sense of obligation to purposefully avoid harming the ones I find most beneficial in my orchard and garden.

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In zone 6, thanks for the reminder but I think the pear has flowers already 😩can I still spray to keep the bugs off?

TK-xnbq
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is it ok to spray after all the flowers die? i have a peach tree and all the flowers are dead and tiny peaches are starting to appear. i only see wasps on the dead flowers from time to time

Malik
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Dormant is dormant as in before the tree starts waking out of its winter slumber.

matts
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Looking for an organic spray for my apple trees. I have issues with plum curculio

naomi
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hi sir! if i spray my tree and its rainning 24h after the spray will it be okay or need more time to dry?

vinymontana