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A Simple Insecticide Without Any Chemicals

A Simple Insecticide Without Any Chemicals

To repel spiders, aphids, and other insect pests in the garden, consider this  all-natural insecticide made with Castile soap. It’s a genius recipe.

Made with olive oil, Castile soap originated more than a thousand years; the Crusaders are thought to have introduced it to Europe as early as the 11th century.  You can use it to wash dishes, to launder clothes, to clean the house—and as an all-natural insecticide in the garden. Bea Johnson, author of Zero Waste Home, shares her recipe:

Ingredients and Materials:

Add 1/4 cup Castile soap to one gallon of water. Mix and pour into a reusable glass spray bottle.

For more of Bea’s mindful gardening tips, see Ask the Expert: 10 Tips for a Simplified Garden, to Grow More With Less.

Above: The Ultimate Glass Spray Bottle is $8.39 from Olive Cart.

Spray leaves of affected plants with the mixture; allow to dry.

For more all-natural insect repellents, see DIY: Bug Repellent Balm on Gardenista.

12 Great Ways to Use Castille Soap


Read more: Bed & Bath, Eco-friendly tips, Gardenista, Green, Green Kitchen Tips, Natural Remedies, Non-Toxic Cleaning, Surprising uses for ..., , , , , , ,

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Gardenista is a one-stop sourcebook for cultivated living, a guide to outdoor design and gardening. Helmed by former New York Times columnist Michelle Slatalla, Gardenista features inspiration, garden visits, and advice for all things outdoor living, from patios and peonies, to tables and terraces. Gardens matter, and Gardenista celebrates tomatoes on the fire escape as much as rolling acres of green.


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5:40AM PDT on Aug 25, 2013

What a good and simple idea!

11:54PM PDT on Jul 23, 2013

Nice bottles too.

11:48PM PDT on Jul 23, 2013

A must try for me! Thank you for sharing.

2:28PM PDT on Jul 18, 2013

Awesome thanks!

9:57PM PDT on Jul 16, 2013


4:57PM PDT on Jul 15, 2013


8:08PM PDT on Jul 14, 2013

Thanks for sharing this idea.

2:39AM PDT on Jul 10, 2013

This is such a great tip. Thank you.

12:24PM PDT on Jul 7, 2013

Thank you for sharing.

1:15AM PDT on Jul 7, 2013

Thank you for sharing!

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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