1. Neem Oil: effective against aphids, mealybugs, spider mites, and scale insects. It disrupts insects' hormonal balance and acts as a repellent.
   
   
2. Horticultural Oil: neem or jojoba oil can smother pests like scales, mites, and aphids. They work by coating the insects' bodies and blocking their spiracles, leading to suffocation.
   
   
3. Insecticidal Soap: effective against soft-bodied insects like aphids, spider mites, and whiteflies. It works by disrupting the insect's cell membranes, causing them to dehydrate and die.
   
   
4. Diatomaceous Earth: a natural powder made from fossilized remains of diatoms. It can be sprinkled around plants to control pests like ants, cockroaches, and slugs.
   
   
5. Beneficial Insects: ladybugs, lacewings, and predatory mites can help control pest populations by feeding on pests like aphids, caterpillars, and mites.
   
   
6. Garlic and Chili Pepper Spray: effective against aphids, spider mites, and other soft-bodied insects. Simply blend garlic cloves and chili peppers with water, strain the mixture, and spray it on the affected plants.
   
   
7. Plant Companioning: Some plants can naturally repel pests or attract beneficial insects. For example, marigolds are known to repel aphids, nematodes, and other pests, while attracting beneficial insects like ladybugs.

These natural pest control methods can help keep your plants healthy and pest-free without the use of harmful chemicals!