House & garden

How To Fight Aphids – Recipes & Ideas for Chemical Free Success

Anyone who has a garden will sooner or later also run into the aphid. These small pests are particularly common on roses, but they can also affect other plants. And if you want to keep your garden free of pollutants and thus avoid chemical agents against aphids, you are without question facing a major challenge. Because the plague can prove to be quite resilient. Would you also like to use home remedies for aphids? We’ll tell you how to fight aphids naturally.

Fight aphids through prevention

Fight aphids naturally with simple means from the household

The best remedy for aphids is to avoid allowing them to attack your plants in the first place. If you have already noticed an infestation, go straight to our ideas for aphid control. Since the animals are not represented in winter, you have the opportunity to take preventive measures again in spring – fight aphids without having to fight them, so to speak. What can you do?

  • Strengthen your plants with fertilizer! The weaker your garden plants are, the easier it is for the aphids to have it. Ornamental shrubs that are rich in flowers, such as the hibiscus or roses, need a lot of strength to develop their bloom. So fertilizer is important to provide the plants with all the nutrients they need. You should not give too much nitrogen. It makes the tissue of the plants softer and therefore more accessible to the pests. Be sure to consider the needs of each plant and choose a suitable fertilizer. You should also consider the pH of the soil.
  • Clean the plant stems – Just because you can’t see those pesky lice in winter doesn’t mean they’ve completely disappeared on their own. They lay their eggs well hidden in the wood (especially in the bark) in order to attack again next year. So painting it white makes sense if you want to control aphids. Before doing this, however, you should brush the trunks well.

How to fight aphids - gardening tips for hobby gardeners

  • Oil against aphids insert – If you spray the trunks with oil, this lays like a film over the eggs. The oxygen supply is disturbed and the laid eggs cannot survive the winter. This will prevent a new generation of aphids.
  • Mixed cultures – Just as the pests prefer certain plants, there are also those that they do not like at all. So if you combine the favorites with those in the bed, they can act as a deterrent to pests. Suitable include: savory, lavender, rosemary, sage, thyme and hyssop. When choosing, note that the mixed crops must have similar conditions in terms of location and care.

Make aphid remedies yourself – effective home remedies

Fight aphids with home remedies and without chemicals

On the whole, there are a number of home remedies you can use to control aphids. And since these are so diverse, you are guaranteed to have the necessary ingredients at home for at least one of our recipes and ideas. What helps against aphids? Let’s start with a true all-rounder for home and garden:

Vinegar against aphids

Fight aphids with vinegar - brandy vinegar against pests on plants

If you want to control aphids with home remedies, vinegar is a great choice. You always have it at home and you can use it as soon as you notice the first aphids. However, you should only use it to treat aphids on roses. Since it is a relatively aggressive liquid, prepare a solution with water. To do this, mix half a liter of brandy vinegar with 4.5 liters of water. Note:

  • Young shoots are more sensitive. With them, therefore, reduce the amount of vinegar in the solution by half.
  • Depending on how badly the roses are already infected, further treatment may be necessary. However, this should only take place three days after the first.

Fight aphids with the household detergent detergent

Dish soap makes the plants slippery and suffocates the aphids

Most people are probably familiar with dish soap as a remedy for aphids. But do you also know why it is so effective? On the one hand, it forms a film that suffocates the lice; on the other hand, the surface on the plants becomes so slippery that the aphid cannot climb up. Use it only on ornamental plants such as roses and oleanders. Mix 5 ml with 500 ml of water and then use a spray bottle to spray the solution onto the plants. After a few days you can repeat the process if necessary.

Fight aphids with milk

Fight aphids with a solution of milk and water thanks to lactic acid

Lactic acid is your helper in the fight against annoying aphids. The acid attacks the louse bodies, causing them to die. Therefore, milk is a wonderful home remedy. If you want to fight aphids with milk, you have to dilute them with water in a ratio of 1: 2.

Lavender against aphids

Prepare lavender oil or tea from lavender and treat infested plants

Since we already mentioned that the aphid is not a fan of lavender, you won’t be surprised that you can use it to control existing aphids as well. You can use lavender for this in different ways. One option would be to pour boiling water over the dried flowers. Two handfuls per liter of water should be enough. Let this mixture steep for about an hour, after which you strain the resulting brew, pour it into a spray bottle and spray the plants with it.

Or how about using lavender oil against aphids? To do this, add 10 drops of the oil and a small drop of washing-up liquid to a liter of water. The water should ideally be free of lime (e.g. rainwater). Shake everything well and use it to spray the plants:

  • preventive from April to August every 1 to 2 weeks
  • with severe infestation every 2 to 3 days (in addition, you can cut off the severely infested shoots and dispose of them)

Recipe with garlic

Prepare the garlic stock or stick the garlic clove in the ground

Even a single clove of garlic can work wonders in some cases. If it is still a light infestation, it is sufficient to peel off a toe and stick it in the soil right next to the trunk. The garlic then exudes a scent thanks to its essential oils that the lice do not particularly like.

Process garlic and water against aphids into a brew

Alternatively, if the infestation is a bit stronger, garlic can also be combined with water against aphids. Simply prepare a garlic stock against aphids by peeling three cloves of garlic, roughly chopping them and then mixing them with one liter of water in a sealable glass. This mixture now has to brew for 2 weeks. You fill the finished brew into a spray bottle to spray the undersides of the leaves and the roots of the stems.

Fight aphids with onions

Boil onion stock against garden pests such as lice

Instead of garlic, onions can also be used, which are particularly suitable as a remedy for roses. But how do you fight aphids with them? Dice the onion and boil it in a liter of water. Then let everything simmer over low heat for about 30 minutes. Then let the onion stock cool down, after which you can strain the liquid and use it to fight aphids undiluted.

Stinging nettle brew

Fight aphids with a brew of nettles

And while we are on the subject of “Sud”. Nettle is also very effective. So if you want to control aphids and use home remedies for this purpose, take a walk and collect nettles. The advantage of this product is that it is suitable for your ornamental plants as well as on useful plants. Pour fresh water over half a bucket of nettles. Then put the bucket in a shady and not too warm place where you let everything rest for 48 hours. Then spray the undiluted brew onto the affected plants. It is not just the scent that chases away the pests, but also other compounds contained in the plant.

Neem oil

Neem oil is said to be a real miracle cure for the house and garden

Neem oil against aphids is also considered a real miracle cure. Use the natural remedy in a variety of ways if you want to use it to fight aphids, depending on whether the plants are already heavily infested or you want to take preventive measures:

  • If the infestation is severe, a splash of the oil directly on the affected area will help. It is best to do this in the morning and not during the hot midday hours to avoid burns on the leaves.
  • As a preventive measure, you can add a few drops of neem oil to the irrigation water. A practical bonus: this gives weak or sickly plants a boost of strength.

Other suitable means:

Black tea contains tannins that aphids do not like

  • Sud from dried oregano: 10 g per 1 liter of boiled water, filter and dilute with water in a ratio of 1: 3
  • Black tea thanks to tannins: Boil 2 tea bags of black tea in 500 ml of water, steep for 15 minutes and then allow to cool
  • Potato water with light infestation: undiluted, can be repeated after a few days
  • Rhubarb leaf-Broth for black bean louse: Bring 500 g of leaves to the boil in 3 liters of water, simmer for 30 minutes, strain off the liquid and allow to cool
  • Rapeseed oil Test only on insensitive plants and first on a small part of the plant! Mix 90 ml rapeseed oil and 5 liters of water with a drop of washing-up liquid (as an emulsifier), stir vigorously and apply to the affected areas with a plant syringe, repeat after a week if necessary

Control of aphids with the help of insects and beneficial organisms

Ants do not help against the pests, they protect them

Insects are also great helpers when it comes to combating an aphid infestation. But how do I fight aphids with the help of beneficial insects and other insects or which ones are suitable for this? Ants love aphids and you have probably noticed the onslaught of ants on infested plants. However, ants cannot fight aphids. They are so crazy about their sweet excretions that you don’t eat them directly, but use them like farm animals and milk them and even protect them from other enemies like the ladybug.

Fight aphids with ladybirds and their larvae

In contrast, the Ladybug an excellent helper. This is especially true of its larvae. So it is worth luring the ladybug into the garden. You can even buy larvae. By the way, the offspring eat up to 800 lice a day! In comparison, the beetle can only manage 150. Other suitable insects and larvae that can be used to control aphids are:

Wasps help fight lice on the leaves by eating them

  • Wasps eat the pests and should be welcome if you want to control aphids.
  • The larvae of the Lacewing are also suitable for the greenhouse. Once they are fully grown, they fly away and need to be replaced. Lacewing larvae also eat other pests such as spider mites, mealybugs and thrips.
  • The dolls of the Gall mosquitoes can be exposed around endangered plants in the greenhouse.
  • Alone a female Parasitic wasp can act against 200 aphids. It does this in an interesting way: it lays its eggs in the aphid. After two weeks, the new wasps hatch, which in turn repeat the process. If you want to combat aphids naturally in this way, you should use the genera Aphidius colemani or Aphidius ervi.

You can increase the population of insects with an insect hotel.

And what to do with houseplants?

Shower off indoor plants against aphid infestation

Insects are not necessarily suitable for use in the house and spraying them with the mentioned agents can be complicated or have an unpleasant smell. But what if you still have to fight pests such as aphids in your own four walls? This is where simple water and your bathtub or shower can help:

  • Cover the soil and the pot. The easiest way to do this is with a plastic bag or foil that you close tightly.
  • Now turn your plant on its side. So it should no longer be vertical, but horizontal.
  • Now rinse off all parts of the plant with a water jet that is not too hard. You should be able to see the critters fall off.
  • Check your plant again the next day. If you discover more lice, simply shower your plant one more time.

Fighting aphids - preventive tips and recipes against the aphid in the garden