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How To Make Your Own Homemade Pesticide For Plants: DIY Techniques For Effective Pest Control

Homemade Pesticide For Plants

Welcome, fellow green thumbs! Today, we’re diving into the world of pest control and exploring the wonderful realm of homemade pesticide for plants. Whether you’re an avid gardener or a newbie to the world of horticulture, pests can be a real buzzkill for your beloved plants. But fear not! We’ve got you covered with some DIY techniques that will help you keep those pesky critters at bay while maintaining an earth-friendly approach. So, let’s gather the ingredients and  get our hands dirty and learn how to make your own homemade pesticide for plants for effective pest control.

Natural Pesticide Ingredients 

The natural pesticide for plants can be made from simple homemade ingredients. Let’s understand their function in our natural homemade pesticide. 

  • Neem oil: Acts as a potent pesticide, disrupting pests’ life cycles therefore reducing their population.
  • Baking soda: Controls fungal diseases by creating an inhospitable environment for fungal growth on plants.
  • Essential oils (citronella, peppermint, eucalyptus): Repel insects with their strong scents, making plants less attractive to pests.
  • Garlic and hot peppers: Serve as natural deterrents, repelling a wide range of pests from plants.
  • Apple cider vinegar: Attracts and traps fruit flies, preventing them from infesting fruits and vegetables.
  • Dish soap: Enhances the effectiveness of pesticides by breaking down the insects’ protective coatings and suffocating them. 

Homemade Natural Pesticide For Plants 

1. Homemade Neem Oil Plant Spray:



  1. In a spray bottle, combine 2 teaspoons of neem oil, 1 liter of water, and a few drops of  homemade dish soap.
  2. Close the spray bottle and shake well to ensure the ingredients are thoroughly mixed.
  3. Spray the neem oil mixture on affected plants, focusing on the undersides of leaves and areas prone to pest infestation.
  4. Repeat the application every 7-14 days or as needed to effectively control pests.

2. Homemade Baking Soda Spray for Plants:


  • Water
  • Baking soda
  • Liquid soap


  1. In a spray bottle, mix 1 tablespoon of baking soda, 1 litre of water, and a few drops of liquid soap.
  2. Close the spray bottle and shake well to dissolve the baking soda.
  3. Apply the baking soda natural pesticide to plants showing signs of fungal infections, especially targeting the affected areas.
  4. Repeat the application every 7-10 days until the fungal growth is under control.

3. Homemade Bug Spray For Outdoor Plants:


  • Distilled water
  • Essential oils (e.g., citronella, peppermint, eucalyptus)


  1. Fill a spray bottle with distilled water, leaving some space at the top.
  2. Add 10-15 drops of your chosen essential oil(s) to the water. You can use a single oil or create a blend.
  3. Close the spray bottle and shake well to disperse the essential oils.
  4. Spray the homemade bug spray on plants, specially focusing on areas vulnerable to insect damage or infestation.
  5. Reapply the insect repellent spray every few days or as needed to maintain its effectiveness.

4. DIY Garlic and Pepper Spray for Garden Pests:


  • Garlic cloves
  • Hot peppers
  • Water
  • dish soap


  1. In a blender or food processor, combine 5-6 garlic cloves, 2-3 hot peppers, and 2 cups of water.
  2. Blend the mixture until it forms a smooth consistency.
  3. Strain the mixture into a clean container in order to remove any solid particles.
  4. Add a few drops of liquid dish soap to the strained liquid and mix well.
  5. Use the garlic and pepper spray by directly applying it to plants or spraying it as a perimeter treatment to deter garden pests.
  6. Reapply the spray every week or after rain to ensure effectiveness.

5. Homemade Spray To Kill Fruit Flies:


  • Apple cider vinegar
  • Dish soap
  • Water
  • Spray bottle


  1. Fill a spray bottle halfway with apple cider vinegar.
  2. Add a few drops of homemade dish soap to the vinegar.
  3. Fill the rest of the spray bottle with water, while leaving some space at the top.
  4. Locate areas where fruit flies are present, such as near fruits, garbage cans, or kitchen surfaces.
  5. Spray the mixture directly onto the fruit flies or around the infested areas.
  6. The apple cider vinegar will attract the fruit flies, while the dish soap will break down their outer coating, causing them to drown in the liquid.

6. Homemade Fertilizer Spray for Plant Health

In addition to pest control, homemade plant sprays can also improve plant health. A homemade fertiliser spray can provide essential nutrients to support plant growth and vigour. Follow these steps to create your own fertiliser spray for plants.


  • Water
  • Organic materials (e.g., kitchen scraps, weeds, grass clippings)
  • Bucket or container with a lid
  • Strainer or cheesecloth


  1. Collect organic materials such as kitchen scraps (vegetable peels, coffee grounds, crushed eggshells), weeds, and grass clippings. Avoid using meat, dairy, or oily items.
  2. Fill a bucket or container with water and add the organic materials. The ratio should be approximately 1 part organic materials to 3 parts water.
  3. Stir the mixture well to ensure the organic materials are fully immersed in the water.
  4. Cover the bucket or container with a lid and let the mixture sit for about 3-4 weeks. This allows the organic materials to decompose and release nutrients into the water.
  5. After the fermentation period, uncover the container and strain the liquid using a strainer or cheesecloth to remove any solid particles. The resulting liquid is your homemade fertiliser.
  6. Dilute the fertiliser with water before use. The exact dilution ratio will depend on the strength of your homemade fertiliser and also the specific needs of your plants. Start with a 1:10 ratio (1 part fertiliser to 10 parts water) and adjust as necessary.

Application and Usage Tips for Natural Pesticides 

Timing and Frequency:

  • Apply organic pesticides in the cooler parts of the day, such as early morning or evening.
  • Repeat the application as needed based on the severity of pests or plant diseases.

Target Specific Issues:

  • Identify the specific pests or diseases accurately.
  • Choose the appropriate organic pesticides for plants  in order to ensure maximum effectiveness.

Precautions and Safety:

  • Wear protective clothing while spraying.
  • Avoid spraying on windy days to prevent drift.
  • Keep children and pets away from freshly sprayed plants.

Benefits of Homemade Plant Sprays

Using homemade plant sprays for pest control offers several advantages:

  • Environmentally Friendly and Sustainable

Homemade organic pesticides for plants  utilise natural ingredients that are also gentle on the environment, reducing the impact on ecosystems and water sources.

  • Safe for Beneficial Insects and Pollinators

Unlike chemical pesticides, natural pesticides are less likely to harm beneficial insects like bees and ladybugs, preserving the delicate balance of the ecosystem.

  • Cost-Effective and Budget-Friendly

Making your own natural pesticide for plants can save you money compared to purchasing commercial products, especially if you have a large garden or multiple plants to care for.

  • Customizable Formulas for Different Plants

Natural pesticides can be further tailored to suit specific plants and their unique pest problems, allowing for personalised care and targeted protection.


Natural pesticides provide an effective and natural approach to pest control, offering a safe alternative to commercial pesticides. By using readily available ingredients and following simple recipes, you can protect your plants from pests and diseases while minimising the impact on the environment and your health.

FAQs (Frequently Asked Questions)


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