10 ecological remedies to avoid and combat aphids

The aphid (Aphididae), are insects black 3mm green, yellow, brown and black . They feed on the sap they suck from tender stems, leaves and flower buds. The leaves appear yellowish spots , the stem and flower buds are curled and deformed. Aphids secrete a sticky substance that attracts ants and the sooty mold fungus  spp. , or black powder. They usually appear in dry environments, especially in spring and summer.

 These are several ecological remedies to prevent aphids and to combat their infestation.

It is important to keep the area in good cleaning conditions, as well as irrigation, since aphids like dry climates, so we must not neglect watering during the spring and summer months.

10 ecological remedies to avoid and combat aphids

1 . Garlic

To make a garlic-based repellent at home , simply boil a liter of water with five well-crushed garlic cloves for half an hour. We let the water cool down and strain it; the result we will spray on the plant.

2. Wormwood

Wormwood is a plant with an insecticidal and repellent effect , but its effect is not powerful enough to plant the plant in our urban garden and wait for it to act, it is much better to plant it, and when it grows prepare the following solution: Boil 40 gr. of wormwood leaves per liter of water and let rest 24 h.

3 . Onion infusion

Like garlic, onion is a natural food used against fungi and aphids. Chop a medium onion per liter of water and boil 5 minutes. Once cold it can be applied.

4 . Slurry or nettle maceration

Nettle is a plant that we normally flee from, but there should always be a little bit in our urban garden. Nettle is a good insecticide, stimulates plant growth, and strengthens your immune system. The mixtures of nettle maceration are different in the cases of preventing, fertilizing or curing the plants, but to give you an idea: macerate 100gr of pre-flowering nettle in 1L of water for 15 days, the plants must be submerged, and the mixture should be stirred. When the water is already dark and the smell of fermentation appears, we strain the mixture. To apply it, we must dilute the liquid in 100 ml of solution per 500 ml of water. It is sprayed on the plant or the ground to prevent the attack of insects, fungi and aphids, strengthen the plant and fertilize. .

5. Horsetail

100 g of fresh plants are soaked in 1 l of water for 24 hours. Then it is boiled for a few minutes, allowed to cool and filtered. It is diluted in water in a 1/5 ratio. It should be applied in dry and sunny weather, from spring to summer. Spray directly on the plants.

6. Pest repellent plants

Some insect pests are repelled by the smell or chemical composition of other plants. To repel aphids we can plant basil, sage, coriander, rosemary, garlic, lavender, lemon balm and mint.

7. Plants that attract beneficial insects

The flowers of some plants attract beneficial insects to our garden, such as parasitic wasps, spiders, chinitas or ladybugs, bees, butterflies and other pollinators. This helps keep pests under control and all our flowers are pollinated so that they later turn into rich fruits. Try: Borage (Borago officinalis), Mint, Dill, Yarrow (achillea millefolium), Calendula, Marigold and Basil.

8. Tansy

Tanceto or San Pedro Leaves (Tanacetum vulgare or Tanacetum cinerafolium) has a high content of pyrethrins. It is used as a general insecticide. We will make an infusion with 300 grams of tansy and 10 liters of water. Let it sit for 10 minutes. Strain and apply on the plants.

9.  Chamomile to strengthen and stimulate its resistance to pests and diseases

Chamomile is one of the plants that activates the microbial population in soil or compost. We will need 50 grams of chamomile and 10 liters of water and make an infusion that we will let stand 15 minutes. Strain and apply undiluted on the plants.

10 . Soapy solution

Dilute 1 tablespoon of neutral soap in 1 liter of water and spray on the plant.


These are the remedies that we propose to avoid and combat aphids, if you know other remedies, do not hesitate to leave a comment to share it with the ECO farmer community


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