Ladybugs are just one of the beneficial insects that can help you with controlling spider mites. They actually do double duty since they also feed on aphids in the garden.
Companion planting works in a couple of ways. First if can help attract beneficial insects to the area. And second it can help repel pests.
Insecticidal soap is potassium salts of fatty acids that dehydrates and kills insects in the garden.
Essential oils that get rid of spider mites: – Rosemary Oil – Cinnamon Oil – Eucalyptus Oil – Lemon Oil