3 Organic Sprays That Kill Almost Every Garden Pest

Chemical free aeroponic produce.

Locally grown, chemical-free, aeroponic produce can be fun, clean, simple, and easy. (Click photo to enlarge)

As we leave this cold, bitter winter and move into spring, our outdoor Tower Garden® farmers begin preparing for the spring rush that is just around the corner.

Did you know that erratic weather patterns tend to create severe pest problems during the growing season when the natural balance of life is disturbed? With this in mind, I encourage you to be well prepared in advance this spring.

Below are three of my favorite organic sprays that have given our growers tremendous success — even in a place like Florida — during the warmer summer months! If you are a home gardener, you can use the same formulas to easily and safely control pests right in your own back yard!

Organic spray for many insects like aphids, mites, thrips, whiteflies, and other small insects:

This formula even serves as a mild fungicide. Mixing instructions follow:

  • Horticultural grade insecticidal soap, 1 tablespoon per gallon of water
  • Horticultural grade neem oil, 1 tablespoon per gallon of water
    • Mix everything well, and then continue to shake periodically during use.
    • Always spray in morning, before sunrise, or in late evening. Never spray in sunlight.
    • Spray plants liberally — soak them — and be sure to wet the undersides of leaves where the insects feed.
    • Discard old spray. Do not save!
    • Clean sprayer well after each use.

Organic spray for all worms or caterpillars:

  • 1 tablespoon per gallon of water (or label rate) of Bacillus thuringiensis (brand name Thuricide)
    • Follow instructions on label, and mix well.
    • Always spray in morning, before sunrise, or in late evening. Never spray in sunlight.
    • Spray plants liberally — soak them — and be sure to wet the undersides of leaves where worms or caterpillars feed.
    • Discard old spray. Do not save!
    • Clean sprayer well after each use.
  • Apply this formula when you first start seeing worms in the areas they are feeding.

Organic spray for leaf fungus like powdery mildew:

  • Potassium bicarbonate, or Mil-Stop brand. NOTE: Never use baking soda or sodium bicarbonate. Apply as follows:
  • Follow instructions on label, and mix well.
    • Always spray in morning, before sunrise, or in late evening. Never spray in sunlight.
    • Spray plants liberally. Soak the plants well.
    • Discard old spray. Do not save!
    • Clean sprayer well after each use.
  • Apply this formula once a week during light fungus season, or twice a week during heavy fungus season.

Whether you are a commercial farmer or a home gardener, these safe organic sprays are tried and true. Future Growing’s commercial farmers can find these and many other fine products at the Future Growing® Growers Store. For home gardeners, please visit the Tower Garden® Store and choose “Natural Pest Control” from the Products menu at the left side.

Tim Blank
Founder and CEO, Future Growing® LLC


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