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8 Recipes for Homemade Organic Insecticides

Updated on April 4, 2017

Growing an organic garden allows you to have tastier fruits and veggies, healthier meals, and to reduce pollutants in the environment. Go you! (You're pretty awesome!) Regardless of your reasons, you'll probably find that insects (and other pests) also love the taste of the fruits and veggies in your garden.

In order to have your organic vegetables make it through the season, you'll need to use some sort of pesticide. Luckily, you have tons of options at your disposal when it comes to keeping pests away while maintaining that special organic quality for your garden.

Try these recipes for environmentally friendly insecticides:

Yummy organically grown carrots
Yummy organically grown carrots | Source

All-Purpose Garlic & Onion Spray

Garlic isn't just for warding off vampires! Garlic and onions are great for all-purpose pest control. To make this spray, you'll need:

  • 1 clove of garlic, minced
  • 1 onion, minced
  • 4 cups of water
  • 1 Tablespoon of liquid dish soap

Mix everything together and let it sit for about an hour. Strain the garlic and onion out, put the liquid in a spray bottle, and enjoy a bug-free zone.

This spray loses its potency after a few days, so make sure you use it right away. If you find that you're not using the entire mixture, just cut the recipe in half.

If you want to up the ante, add a tablespoon of cayenne pepper. This will increase the potency of the spray. Isn't cayenne pepper awesome for adding a bit of kick to everything?

Your garlic and onion spray will be one of your handiest defense against garden pests, but there are others that have a more specific purpose that you may be interested in (like insecticide specifically for ants or aphids.)

The mighty spray bottle will be of great use in making homemade pesticides.
The mighty spray bottle will be of great use in making homemade pesticides. | Source

Mineral Oil Spray to Get Rid of Eggs & Larvae

Want to get rid of pests before they hatch? Try a mineral oil spray:

  • 1 teaspoon of mineral oil
  • 1 cup of water

You can mix the mineral oil and water right in the spray bottle. Shake and spray onto any plant you wish to treat.

This mixture will not only kill insects, but it will dry up any eggs bugs have laid. (Did I mention it's totally plant-friendly?)

You can tell that no insect laid their buggy hands on these organic veggies.
You can tell that no insect laid their buggy hands on these organic veggies. | Source

Citrus Cayenne Spray (for Ants)

Add one teaspoon of citrus oil, one teaspoon cayenne pepper, and one cup of warm water to a spray bottle. Shake until well-mixed.

The spray is effective in getting rid of ants.

Get Rid of Bees & Wasps

Wasps and bees hate eucalyptus. Eucalyptus oil can be expensive, so put a few drops in the areas where the bees are "bugging" you.

If you can't get close enough to the area for fear of getting stung, just put the oil into a small spray bottle and add water. Shake this mixture and spray. Even though it's diluted, it should still do the trick and it's far better than getting stung!

These aphids are really going to town on this plant!
These aphids are really going to town on this plant! | Source

Baking Soda (for Ants)

Baking soda really has too many household purposes for someone to not regularly have a million boxes on hand!

Sprinkle a bit of baking soda wherever you have ants that you want to get rid of.

Elder Leaves (Do NOT Consume)

Boil elder leaves (the more leaves, the more potent your mix) for half an hour. Strain out the elder leaves and add the remaining mixture to a sprayer. Spray this mixture in areas where you would like to repel aphids, midges, and cucumber beetles.

Do not consume this mixture. Keep elder leaves and your spray away from children. Elder leaves are poisonous.

Orange Spray

Peel one orange and add the peels to two cups of water. Boil this and let it sit overnight. Add a 1/4 teaspoon of castille soap and stir. Strain out the orange peels and add the mixture to a spray bottle.

This will help you fight ants, aphids, and gnats.

Have Aphids? This Will Get Rid of Them!

Any mixture that contains cayenne, cinnamon, cloves, pepper, liquid dish soap, or rosemary as a main ingredient is the best defense against aphids.


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    • Gail Meyers profile image

      Gail Meyers 4 years ago from United States

      I love reading and writing about organic gardening. I enjoyed you hub. Voted up and FB shared.

    • profile image

      moussa83 4 years ago

      As well as planting mint helps to reduce some of the bugs

    • RealHousewife profile image

      Kelly Umphenour 4 years ago from St. Louis, MO

      Mel I am so glad I caught this! I just planted a garden and everything is coming up beautifully but I see evidence that I have free loaders!

      I sprayed stuff to kill the Japanese Beetles on my roses but I didn't want it on the food plants. I am goingnto whip up a batch of garlic and onion spray today! I was watering a bit ago - and I could see stuff jumping around - EW! But I want an organic garden - so if imgo spraying pesticide on it - well there goes the organic!

      Up and way excellent! Thank you very much!

    • profile image

      kelleyward 4 years ago

      Thanks for writing this Melbel! I'm going to make some of what you suggested for my garden. The insects keep eating it up! Voted up and shared! Kelley

    • RoxiM profile image

      RoxiM 4 years ago from West Virginia

      Yesterday I mixed up some homemade insecticidal soap. I used Neem soap (grated a bar into a glass pot), some tea tree oil soap (last bit left in a bottle), cayenne, and garlic. I heated it all on the stove until the soap dissolved, and I'm going to put it in a spray bottle and try it out on my plants. Thanks for the inspiration!

    • Virtual Treasures profile image

      Virtual Treasures 4 years ago from Michigan

      R Talloni sent me here because of a question I asked. This is fantastic! I am having such a huge problem. Bugs are eating my Clematis as soon as they blossom and my roses look like skeletons. They've never been this bad. I am going to try some of these!

    • JayeWisdom profile image

      Jaye Denman 4 years ago from Deep South, USA

      Very interesting! Now, if you just had a natural remedy for fire ants (much more hardy and attack-resistant than ordinary ants), that would be great! They're taking over my lawn....

    • Levertis Steele profile image

      Levertis Steele 4 years ago from Southern Clime

      I notice that some plants, even fruits and vegetables, are never touched by insects. Is this an indication that they could be useful for fighting off pests? I do not want to prevent pollination. What is your advice?

      I discovered garlic to be a great insecticide when I noticed that insects never ate mine. Thanks for these recipes. I never knew about most of them.

    • RTalloni profile image

      RTalloni 4 years ago from the short journey

      I've seen some of these organic pesticide recipes before, but not all. Thanks bunches for putting this together for our summer season outdoors!

    • Angela Brummer profile image

      Angela Brummer 4 years ago from Lincoln, Nebraska

      This is great. So well put togather. I love the idea of making this from safe simple ingrediants?

    • moonlake profile image

      moonlake 4 years ago from America

      I will have to try this I have potato beetles in my flowers and I'm sure when our vegetable garden comes up they will head over there. Thanks for all the good information. Voted up and shared.

    • Ann M Reid profile image

      Ann M Reid 4 years ago from Lancaster County, PA

      Great info! Another natural solution that works amazingly well on aphids are beneficial bugs like green lacewings and lady bugs. You can order these online for delivery several times during the season. This combination of green lacewings and ladybugs have reduced my aphid problems by about 95 percent. I understand that chickens are a great solutions for things like cabbage loopers, beetles and slugs. Homemade traps for slugs made from reused small plastic food tubs filled with beer and sunk at ground level attract slugs with their yeasty smell. This is a reasonably effective, natural way of trapping and drowning the slugs, too.

    • phoenix2327 profile image

      Zulma Burgos-Dudgeon 4 years ago from United Kingdom

      Thanks for writing this, melbel. I need to start treating my plants and I wasn't keen on using chemical insecticides. This recipes should do the track. I'll be emailing this to my daughter as she is looking for solutions too.

      Voted up, useful and interesting. Socially shared.

    • Daughter Of Maat profile image

      Melissa Flagg 4 years ago from Rural Central Florida

      Oh those veggies look so yummy!!! Thank you for this hub! We just planted a ton of seeds and the seedlings look awesome, but the gnats are driving me insane! This is exactly what I was looking for. THANK YOU!!!

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