Non-chemical insecticides, recipes

Cayenne pepper	Solution	Stir together 1 litre of water, 1 tsp of liquid dish soap and a pinch of cayenne pepper. Do not dilute before spraying on plants. Useful against aphids and scale insects.
Citrus peel	Essence	Mix together the grated peel of a lemon, an orange and a lime and boil for a few minutes. Let stand for 24 hours. Strain. Do not dilute. Useful against potato beetles, caterpillars and other insects.
Clay	Dilution	Dilute with water. Spray directly on insects. Useful against aphids.
Garlic	. Solution	Blend 25 ml garlic juice, 4 ml rubbing alcohol and 4 litres water. May be used immediately.
	. Maceration	Steep 2 garlic cloves in 1 litre of water for 24 hours. Strain. Do not dilute. Spray on plants, no more than twice a week, to get rid of aphids, spider mites and scale mites.
	. Potion	Recipe 1 Steep 20 cloves of finely chopped garlic for 24 hours in olive oil to cover. Strain. Add 2 tsp of this mixture to 2 cups of water (500 ml) with a few drops of liquid dish soap. Shake and strain again. Dilute this mixture, using 2 tsp per 2 cups of water. Spray on plants. Useful against larger insect pests: leafhoppers, slugs, plant bugs, whitefly. Recipe 2 Steep 20 g of chopped garlic in 20 ml of vegetable oil for 24 hours. Add 1 litre of water and 10 ml of liquid dish soap. Strain. Boil 5 hot peppers in 2 litres of water until the water is reduced by half. Add to the first mixture. Spray on plants every 4 or 5 days.
Hot pepper	Solution	Chop up 3 hot peppers, half an onion and 1 garlic clove. Mix with 1 litre of water and let steep for 24 hours. Strain. Spray directly on insects.
Onion or chives	Infusion	Chop up a few onions in a blender. Mix them with the same amount of water. Strain. Spray on plants.
Petunia or marigold	Tea	Pour 1 litre of boiling water over 2 cups of chopped petunia or marigold leaves. Let steep for 24 hours. Strain. Do not dilute before spraying on plants. Useful against aphids and caterpillars.
Rhubarb	Leaf solution	Boil 500 g (2 cups) of rhubarb leaves in 1 litre of water for 30 minutes. Let cool and strain. Useful against aphids, leaf miners and spider mites.
Salt	Solution	Dissolve 2 tsp of table salt in 4 litres of water. Useful against cabbage worms.
Soap	Insecticidal soap	Dissolve 25 ml of liquid dish soap or 50 g of bar soap in 4 litres of water. Spray on aphids, thrips and caterpillars. Caution! Do not use laundry detergent.
Tomato	Leaf solution	Steep tomato leaves (15 leaves per litre of water) for 24 hours. Strain. Use as an insecticide. Spray copiously on plants. Useful against cabbage worms