Warning: Garlic oil is a non-selective insecticide, which means that it will kill beneficial insects (such as lady bugs, who are natural predators of aphids) just as well as it kills bad bugs. It's best to keep as many beneficials around as possible. This spray should only be used if you haven't seen any beneficial bugs in your garden. A nightshade recipe, won't harm beneficials, so you should use that if you have some beneficials in your garden.
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