Gardening enthusiasts often face the challenge of dealing with unwanted pests that can harm their plants. One effective and eco-friendly solution is making your own soap spray for plants.

In this blog post, we’ll explore the benefits of using soap spray, the pests it can help control, and provide you with a simple soap spray recipe.

Benefits of Soap Spray for Plants

Soap spray offers several advantages for gardeners:

  1. Non-Toxic: Soap spray is a natural and non-toxic solution for pest control, making it safe for your plants, the environment, and even beneficial insects.
  2. Effective Against Soft-Bodied Pests: Soap sprays work particularly well against soft-bodied pests like aphids, whiteflies, and spider mites. The soap disrupts their cell membranes, ultimately leading to their demise.
  3. Easy to Prepare: Making soap spray at home is simple and cost-effective. You can customize the strength of the spray to suit your specific needs.
  4. Reduced Chemical Use: By using soap spray, you can reduce the need for harsh chemical pesticides in your garden, promoting a healthier and more sustainable ecosystem.

Pests that Soap Spray is Effective Against

Soap spray is most effective against soft-bodied insects. Some common pests you can control with soap spray include:

  • Aphids: These small, sap-sucking insects can quickly infest plants. Soap spray can help eliminate them.
  • Whiteflies: Whiteflies are tiny, winged insects that can cause severe damage to plant leaves. Soap spray can disrupt their feeding.
  • Spider Mites: These microscopic pests can weaken plants by sucking out their juices. Soap spray helps reduce spider mite populations.
  • Mealybugs: Mealybugs are soft, cottony insects that feed on plant sap. Soap spray can penetrate their protective coatings.

Soap Spray Recipe

Here’s a simple soap spray recipe you can use in your garden:


  • 2 tablespoons of liquid soap (preferably a pure soap like castile soap or an unscented, additive-free dish soap)
  • 1 gallon of water


  1. Start by selecting the appropriate soap. Look for a soap that is as close to pure soap as possible, without added degreasers, antibacterial agents, or artificial scents. Castile soap is an excellent choice if available.
  2. Fill a one-gallon container with water.
  3. Add 2 tablespoons of soap to the water. If you are using a concentrated soap, like castile soap, you can start with 1 tablespoon and gradually increase it as needed.
  4. Stir or shake the mixture well to ensure that the soap is evenly dispersed in the water.
  5. Transfer the soap spray into a garden sprayer for easy application.
  6. Spray the mixture onto the affected plants, ensuring that you cover both the tops and undersides of the leaves. Be thorough but avoid spraying in full sun or during the hottest part of the day.
  7. Repeat the application as necessary, waiting 24 to 48 hours between treatments. Monitor your plants to ensure that the pests are under control.

Further reading

I’ve created a list of several types of homemade organic sprays that provide nutrients or protect plants from pests and diseases. Check the post below for this list.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.