Recipes for Organic Insecticide Spray

Use of organic insecticide spray is more friendly to the environment. They are comprised of common organic materials, soaps and occasionally other environmentally friendly materials. They are often home brewed recipes that you can make and save money along the way. Or, if you are not inclined to make up a batch of your own, they are readily available at most garden supply stores.

If you have a “recipe” for home-made insecticides or fungicides, please email us so we can share it with others!

home-made insecticide spray
make your own organic insecticide spray

Insecticidal Garlic Spray:

Use: All Purpose
The sulfur compounds in garlic keep bugs away by simply producing an odor that garden pests simply do not like.
Ingredients:

  • 1 Garlic Bulb
  • 2 Cups Water
  • 1 Gallon Water

Instructions:

  1. Take an entire garlic bulb and two cups of water and blend in blender.
  2. Mix at high speed for 1-2 minutes.
  3. Pour into a container and set aside for up to one day.
  4. Strain liquid through a cheese cloth.
  5. Mix liquid with one gallon of water.
  6. Apply liberally on top and bottom of leaves. Spray where you see insect damage or where you see the bad bugs. (Are you SURE?) Bugs like to hide underneath leaves, so be sure to spray there as well as on the top and stems.
  7. Garlic spray works especially well against aphids)

a garlic bulb is comprised of several cloves

Garlic is toxic to bugs and it also helps keep bacteria and harmful fungus from harming your plants. As an added bonus it also has fungicidal properties that may aid or prevent some diseases.
* Garlic spray will also kill beneficial insects, so use wisely.

Insecticide Soap Spray:

Ingredients:

  • Liquid Dish Detergent
  • Water

Instructions:

  1. Put one tablespoon of dish detergent per gallon into a sprayer.
  2. Apply liberally on top and bottom of leaves.
  3. Re-apply after rain or one to two weeks.

Hot Pepper Spray:

This can be used to repel, deer, rabbits and other pests from your flowers and some vegetables. Note, use caution with vegetables as a peppery taste may remain on the fruit. Use care in handling because capsicum (the hot in hot pepper) can really burn your eyes and possibly your skin if you are sensitive.

Ingredients:

  • Hot Peppers (hot, hot as you can find!)
  • 2 Cups Water
  • 1 quart Water

Instructions:

  1. Put hot peppers and two cups of water into a blender.
  2. Mix at high speed for 1-2 minutes.
  3. Pour into a container and set aside for up to one day.
  4. Strain liquid through a cheese cloth.
  5. Add liquid into a one quart container. Fill container to top with water.
  6. Apply liberally to plants. Re-apply every week to two weeks or after a rain.
Related  Squash the Squash Bugs

Citrus Peel Natural Insecticidal Spray

Effective against soft bodied insects like as aphids, mites, and caterpillars.
Ingredients:

  • 1 quart boiled water
  • peel of 1 citrus fruit (orange, lemon, or both)
  • a fine strainer
  • funnel
  • spray bottle

Directions:

  1. Steep the chopped citrus peel overnight in the boiling water.
  2. Strain your citrus “tea” through a fine strainer to be certain to strain all the tiny particles and avoid clogging your sprayer.
  3. Funnel the liquid into a spray bottle and use.

Fungicide/ Powdery Mildew Spray:

Ingredients:

  • 1 Gallon Water
  • 3 Tablespoons Baking Soda
  • 1 Tablespoon Bleach
  • 1 Teaspoon Dishwashing Liquid
Extremely important:

Do not use too much bleach! Use no more than 1 part bleach to 10 parts water. We hesitate to recommend using bleach as it can harm you and your plants if too much is applied. Use it at your own risk and try to avoid spraying it on healthy leaves.

Instructions:

  1. Snip and remove leaves that are worst affected.
  2. Mix ingredients with water.
  3. Spray remaining leaves top and undersides.
  4. Apply a heavier dose on leaves that have signs of infection and only lightly
    on unaffected leaves as bleach can actually harm and discolor the leaves.

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