How to keep spiders out of house

 The sight of spiders often sends chills down your spine. They enter the house through windows, doors, holes, and cracks in the walls. It is also possible that these insects pass through the roof, the cellar, or the ducts. These eight-legged invertebrate animals weave webs every day. Removing the installed fabric is therefore insufficient. Here is an overview of effective tips on how to keep spiders out of house and easily get rid of them. 


What attracts spiders to a house?

There are several reasons for the presence of arachnids in a house or apartment. Homes near significant vegetation are particularly popular with spiders. These are usually found in dark places, without drafts or passage, of the house. The breeding season and the onset of cold weather also cause spiders to enter homes searching for shelter. 

How to keep spiders out of house?

There is no need to opt for expensive insecticides bad for health and pets to keep spiders away from the house. Instead, there are natural and inexpensive solutions to get rid of these insects. 

Which essential oil is effective in scaring away spiders?

Essential oils can ward off spiders, but beware, some of them can be toxic to animals

Among the effective oils, we find lavender, peppermint, lemongrass, geranium, etc.

What odors repel spiders? 

Spiders hate these smells:
  • Cinnamon
  • Peppermint
  • Mint
  • White vinegar
  • Citrus fruits and their peels
  • The coconut
  • The Alum Stone
  • The tobacco
  • Lavender
  • Chestnuts 

Spider insecticide: use plants to make a natural homemade spider repellant

There are different natural repellents to keep spiders away from the house.


This plant is an excellent repellent against spiders. It is possible to choose between two methods. The first is to regularly diffuse lavender essential oil in every room of the house. For long-lasting results, apply a few drops of lavender essential oil on bunches of lavender. They must then be placed in all corners of the house to hunt spiders. 

Tomato leaves

With a few tomato leaves placed at the edge of the doors and windows, the spiders will immediately leave the house. The leaves should be replaced as soon as they are dry. 


  1. Pour 5 to 10 drops of mint essential oil in a spray bottle;
  2. Add hot water;
  3. Close the spray bottle and shake;
  4. Spray the solution obtained on the passage points of the spiders.
This operation should be repeated every two days from mid-August to the end of September. 


To get rid of spiders, all you need to do is:
  1. Cut chestnuts in half;
  2. Place these fruits in the corners of the house;
  3. Change them every week. 

Chestnut leaves are also effective in controlling spiders. You have to place them on the windowsills. 

Horse chestnut

Horse chestnut extract keeps spiders away from the house.
  1. Pick up a few chestnuts whose capsule is still green;
  2. Cut the fruit in half;
  3. Pour a few drops of chestnut essential oil over the fruit;
  4. Place near doors, windows, under and above cabinets, etc. 

The Cedar

To easily repel spiders, cedar chips should be placed at all entry points and infected areas. Another tip: spread cedar mulch around the house and in the garden. Citrus peels are also effective.

Hunt insects with a homemade spider repellent

Spiders hate the smell of essential oil. To prepare a powerful repellent yourself, you can choose between: 
  • Lemon essential oil;
  • Grapefruit essential oil;
  • Repair leaks from faucets and pipes;
  • Lemongrass essential oil;
  • Cinnamon essential oil;
  • Tea tree essential oil. 
Here are the ingredients to make a liter of repellent solution: 
  • 2 tablespoons of white vinegar;
  • 6 drops of essential oil (with the possibility of mixing up to 3 products);
  • 1 liter of water. 
White vinegar can be replaced with 2 tablespoons of 70 ° alcohol. 
  1. Pour all the ingredients into a spray bottle;
  2. Shake well before any use;
  3. Spray this solution in areas affected by spiders, such as the corners of walls, baseboards, window surrounds, etc.). 
To repel spiders, you should also treat the outside of the house with this preparation. Doors and windows must be closed before spraying them. This operation must be repeated every week in September and October. 

When spraying, it is necessary to keep small children, pregnant or breastfeeding women, and animals away. Another precaution to be observed: ventilate the rooms to be treated.

Prepare a repellent without essential oils: effective products against spiders.

Ammonia-based repellent

  1. Mix one part water with one part ammonia in a spray bottle;
  2. Close the bottle, then stir;
  3. Spray around entry points and areas where spiders weave their webs. 
For an effective and lasting result, it is possible to apply this repellent once a week. 

Using a cloth is an alternative to the spray bottle. Just soak it in the solution and treat all points of entry.

Saltwater repellent

  • Dissolve 30 g of salt in 2 liters of hot water;
  • Spray the spray in the entry points to repel spiders.

It is necessary to repeat this operation every week to fight against proliferation. It is also possible to spray this repellant directly on the spiders to kill them.

Tobacco-based repellent

  • Pour hot water into a spray bottle (fill almost to the brim);
  • Pour a pinch of tobacco;
  • Let steep for about an hour;
  • Spray at all points of entry.

Tobacco has a strong odor that will scare spiders away. Another tip: spread it around the house.

Vinegar spray

  • Prepare a mixture of 2 parts water and 1 part vinegar in a spray bottle;
  • Stir well;
  • Apply this preparation around window frames, doorways, etc.

For more effectiveness, it is advisable to use this vinegar spray once a week. 

Alum stone

  • Mix 50 g of alum powder with 500 ml of lukewarm water;
  • Pour the preparation into a 500 ml spray bottle;
  • Spray in the passage points of the spiders. 

Icing sugar and baking soda

  • In a cup, pour icing sugar and baking soda in equal quantities;
  • Once the spiders are stuck in the cup, just throw them outside. 

Using diatomaceous earth as a spider trap

Diatomaceous earth is effective in limiting the proliferation of spiders in the house. Harmless to humans and pets, it also kills mites, carpenter ants, silverfish, bugs, fleas, etc. In addition, insects that come into contact with this natural powder die 24 to 72 hours after their dehydration. 

To fight against an invasion of spiders, it is necessary to:
  • To do the housework ;
  • Remove all traces of cobwebs;
  • Ventilate the rooms to be treated;
  • Sprinkle diatomaceous earth around the house. 

Gloves are recommended for those with sensitive skin when using diatomaceous earth. Finally, it is advisable to keep this product in a dry place and especially out of reach of children. 

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