<human>:  What is the best way to get rid of aphids in a garden?
<bot>: The best way to get rid of aphids in a garden is to introduce their natural predators, such as ladybugs, lacewings, or wasps, to the garden. These predators will feed on the aphids and help control their population. Additionally, you can spray the affected plants with insecticidal soap or neem oil, both of which are natural and effective substances for controlling aphids. Finally, you can use a strong spray of water to knock aphids off of leaves.