1. Vinegar and Water Spray: One of the simplest and most effective DIY pest sprays is made with vinegar and water. Mix equal parts vinegar and water in a spray bottle and apply directly to affected plants. The acidity of vinegar helps repel pests like aphids, ants, and slugs without harming your plants.

2. Garlic and Pepper Spray: Garlic and pepper are natural repellents for many garden pests. To make this spray, blend several cloves of garlic with hot peppers and water. Strain the mixture and add it to a spray bottle. Apply to plants as needed to deter pests like beetles and caterpillars.

3. Neem Oil Solution: Neem oil is a potent organic insecticide and fungicide derived from the neem tree. Mix neem oil with water and a few drops of dish soap to create a solution that effectively controls pests like aphids, whiteflies, and spider mites. Spray onto affected plants every few days for best results.

4. Soap Spray: A simple soap spray made with liquid soap and water can help control soft-bodied insects like aphids, mealybugs, and spider mites. Mix a few teaspoons of liquid soap with water in a spray bottle and apply directly to pests on your plants. Be sure to rinse off the soap after a few hours to prevent damage to your plants.

5. Oil and Baking Soda Spray: A combination of vegetable oil and baking soda can be effective against fungal diseases and some pests. Mix a tablespoon of vegetable oil, a teaspoon of baking soda, and a few drops of dish soap in a gallon of water. Spray onto plants to control pests like powdery mildew and spider mites.