Marigolds, Basil, Lemongrass and Lavender are just a few of the plants that can naturally repel pests. By studying the leaf damage caused by bugs, you can determine which pest is attacking your garden then try growing some of these plants to keep them away. Source: Fix.com
Some bugs can actually benefit your garden. Many actually help your plants grow by pollinating or eating the other pests. Here is a helpful chart to show which insects benefit your garden.
How do you recognise common pests by the plant and leaf damage they cause? Different bugs, whether they are aphids, beetles, slugs or snails, can cause a variety of damage to leaves and plants. This guide will help you to determine which pest is attacking your garden. Source: Fix.com