" Blog da Horta Biológica: Onion Bug Spray - Natural Pest Repellent

Onion Bug Spray - Natural Pest Repellent

In our long journey in organic farming one of our priorities has always been the natural protection of plants, without using products that are harmful for the environment. Fortunately, there are many ways to fight pests using all-natural ingredients. In this post we will show you how to make an onion bug spray to protect the plants both in the garden and in pots. Watch our educational video at the end of the post.

Onion has excellent properties to repel garden pests, in addition to being a source of macro and micronutrients for the development of plants. Onion spray repels insects and prevents the appearance of fungi, with the advantage of not repelling bees that are so important for the entire ecosystem. This spray is especially indicated against aphids, mealybugs, caterpillars, and for powdery mildew.

How To Make It?

Onion bug spray is nothing but an infusion of onion skin in water. Let's see how to do it:

  1. In a pan, place the skin of 3 large onions. Garlic skin can also be added but onion by itself makes a very effective repellent.
  2. Add 1L of water.
  3. Boil for 3 to 5 minutes.
  4. Turn off the heat, let it cool down, and strain.
The onion skin can be placed on the plant's base as a natural fertilizer.
The spray can be stored at room temperature. There's no need to keep in the fridge. 

How To Use It?

This spray is very concentrated, so it must be diluted. 

For heavily attacked plants - 1 glass of onion liquid to 2 glasses of water. Apply directly to the insects. 

For prevention - 1 glass of onion liquid to 4 glasses of water. Apply to the leaves and stems.

Spraying should be done early in the morning or at the end of the day to avoiding the hours of greatest heat.

Spray once or twice a week as needed.

It is so simple that there's no excuse for not doing it! Take care of your plants in a natural way. It is simple, it is economical, and it is healthy for the environment and for all of us who are part of it.

VIDEO - Onion Bug Spray

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