How can I effectively control and prevent spider mites on my rosemary plants?

To effectively control and prevent spider mites on your rosemary plants, you can regularly inspect the plants for any signs of infestation, such as webbing or stippling on the leaves. You can also use a strong spray of water to dislodge the mites from the plant, or apply insecticidal soap or neem oil to kill them. Additionally, maintaining proper plant hygiene and avoiding over-fertilization can help prevent spider mite infestations.