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Ingredients:
1 liter of water
1 tablespoon of baking soda
2 tablespoons of vegetable oil (sunflower, rapeseed, olive, etc.)
Instructions:
Mix the baking soda into the water, ensuring it is fully dissolved.
Add the vegetable oil and stir the mixture until well-combined.
Transfer the solution into a 1-liter spray bottle.
Spray the mixture on the affected areas, focusing again on the undersides of the leaves where pests often hide.
As with the first recipe, apply the spray every other day and after sunset to avoid damaging the plants under direct sunlight.
Vegetable oil is especially useful for dealing with the protective coating that some pests, like scale insects, produce. It helps break down the waxy barriers, allowing the baking soda to reach and suffocate the pests more effectively.
Why These Remedies Work
The combination of baking soda and soap or vegetable oil makes for a powerful, natural pesticide that targets pests without harming the environment. Baking soda disrupts the pH balance on the leaves, making them unappealing to aphids and scale insects, while the soap and oil help the solution adhere to the plant and effectively break down the pests’ defenses.
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