How to get rid of aphids on tomatoes?

The tomato is a particularly vulnerable fruit. In addition to the various diseases it can contract (mildew, alternaria, chlorosis, etc.), it is very susceptible to attacks by aphids. If not treated in time, it can be fatal to the entire plant. Whether you are a seasoned gardener or an amateur, you know how many aphids can be a pest and how difficult it is to get rid of them. To help you out, here are some natural tips for removing aphids from tomatoes.

The impact of aphids

Aphids attack the plant by: Spicy and in to feed of the juice it contains by aspiration. The bites are harmful to the plant because not only is the saliva of the aphids rich in toxins, but by sucking the sap to feed, the aphids weaken the plant by robbing it nutrients essential for its development

After eating the sap, aphids deposit honeydew. This causes the appearance of mushrooms and slow it down photosynthesis of the plant. Several types of aphids can invade a tomato plant. There can be the cotton aphid, the striped aphid, the green aphid and finally the green-pink aphid. More recently, another species called red aphid has been discovered that resembles a small red spider and can also weaken the plant.

tomato aphids
Credit: Liz W Grogan/iStock

Prevention Methods

To best prevent the appearance of aphids in your tomato plants, there are several methods. First, inspect the seedlings regularly. If insects begin to take hold, remove them immediately to prevent them from the establishment of colonies

You can also plant East Indian Cherry around your plants, as they attract aphids easily. Once the nasturtium flowers have been taken over by aphids, all you need to do is cut off the base to remove them. In addition, controlled watering will reduce the appearance of mold and attract fewer aphids.


There are different treatments based on insecticide or better… more natural products. An insecticide based on vegetable pyrethrum is more natural than chemical pesticides, but does not distinguish between aphids and beneficial garden insects.

The other solution is to soap and water† Black soap in liquid form and preferably organic is a real ally for the gardener. In the case of infested tomatoes, it will kill the aphids and clean the honeydew deposited by them.

To make your solution, add 3-4 tablespoons to a spray bottle. black soap soup and 1 liter of water. Preferably spray in the evening. You can alternate with Marseille soap which is just as effective. You can find it in organic stores in the form of flakes. Like black soap, Marseille soap must be diluted in rather lukewarm water.