Nobody enjoys discovering ants in the kitchen, mosquitoes around the patio, or flies buzzing around the house. Keeping unwanted insects and other pests under control can sometimes feel like a never-ending chore.

While there are many commercial pest-control products available, some people prefer starting with simpler, plant-based options. Certain aromatic plants contain natural compounds that may help discourage particular insects, especially when they’re placed near doors, windows, patios, or other areas where pests tend to appear.

Plants shouldn’t be considered a complete replacement for proper pest control, especially when you’re dealing with an infestation. However, they can be a pleasant addition to a home and garden while providing fragrance, greenery, and, in some situations, a little extra help against unwanted insects.

Here are several plants worth considering.

1. Mint

Mint is one of the easiest aromatic herbs to grow, and its strong scent makes it a popular choice for people looking for natural ways to discourage certain insects.

Peppermint and other members of the mint family contain aromatic compounds that produce their familiar strong smell.

You can grow mint in containers near entrances, patios, or windows. Growing it in pots is often a good idea because mint can spread aggressively when planted directly in the garden.

Fresh mint also has the advantage of being useful in cooking and drinks, making it more than just a decorative plant.

2. Lavender

Lavender is loved for its distinctive fragrance and beautiful purple flowers.

Its scent is also commonly used in products intended to discourage moths and some other insects. Dried lavender can be placed in small sachets inside wardrobes, drawers, or storage areas.

Growing lavender near sunny entrances or outdoor seating areas can add color and fragrance to your garden as well.

Just remember that simply having a few lavender plants around the house doesn’t guarantee that mosquitoes or other pests will disappear. Think of it as one part of a broader approach.

3. Chrysanthemums

Chrysanthemums are popular garden flowers, but they have another interesting feature.

Some species contain natural compounds known as pyrethrins, which are used in certain insect-control products. These compounds can affect insects, which is one reason chrysanthemums have long been associated with natural insect control.

Their flowers also make them an attractive addition to patios, balconies, and garden beds.

However, growing chrysanthemums isn’t the same as using a properly formulated insecticide. A few plants shouldn’t be expected to provide the same effect as a pest-control product.

4. Eucalyptus

Eucalyptus has a strong, distinctive aroma that many people associate with freshness.

Certain eucalyptus oils contain compounds that have been studied for their insect-repelling properties. You may see eucalyptus used in products designed to discourage mosquitoes and other insects.

If you grow eucalyptus, make sure you choose a variety suitable for your climate and available space. Some species can become quite large.

For households with pets or young children, it’s also important to be cautious with concentrated essential oils and keep them stored safely.

5. Marigolds

Marigolds are among the most popular flowers for home gardens.

They’re colorful, relatively easy to grow, and often included in discussions about natural pest management. Their scent may discourage some insects, although the effect can vary depending on the species, growing conditions, and pest involved.

Marigolds can be planted around vegetable gardens, containers, pathways, or sunny areas near the home.

Even if they don’t solve a pest problem by themselves, they can attract beneficial insects and add plenty of color to an outdoor space.

6. Basil

Basil is another practical plant to keep around the home.

Its strong aroma comes from naturally occurring compounds in the leaves, and its scent may help discourage certain insects.

The biggest advantage is that basil has an obvious everyday use. Keep a pot near a sunny kitchen window and you can enjoy fresh leaves for sauces, salads, pasta dishes, and other meals.

A healthy basil plant can therefore serve both your kitchen and your garden.

7. Rosemary

Rosemary is a hardy, fragrant herb that can be useful in both cooking and gardening.

Its strong scent is associated with compounds that may help discourage some insects, making it a popular choice for outdoor spaces.

Rosemary generally prefers plenty of sunlight and well-drained soil. It can work particularly well in containers, raised beds, or along sunny garden paths.

During outdoor gatherings, its pleasant aroma can also make your patio or garden feel more inviting.

8. Catnip

Catnip is best known for the reaction it can produce in cats, but the plant has another interesting characteristic.

It contains nepetalactone, a compound that has been investigated for its mosquito-repelling properties.

If you decide to grow catnip, keep in mind that neighborhood cats may also discover your new plant. Some cats are strongly attracted to it, while others show little interest.

For that reason, growing it in a container may be more practical than placing it throughout a carefully maintained flower bed.

9. Lemongrass

Lemongrass has a fresh citrus-like scent and is often associated with mosquito-repelling products.

It’s important to distinguish lemongrass from citronella grass, however. They’re related plants, but they aren’t exactly the same.

Lemongrass can still be a useful and attractive addition to a garden or container collection, particularly if you enjoy using it in cooking.

Give it plenty of sunlight and adequate moisture, while making sure your local climate is suitable for growing it outdoors.

10. Pennyroyal: Use With Caution

Pennyroyal has traditionally been associated with repelling insects, but this is one plant where caution is particularly important.

Pennyroyal oil can be toxic if swallowed and may cause serious health problems. It should not be treated like an ordinary household herb or casually used around children or pets.

If you’re looking for plants for a family garden, there are many less concerning choices available.

Never ingest pennyroyal or use concentrated pennyroyal oil as a home remedy. If you already have the plant and aren’t sure how to handle it safely, consult a qualified gardening or poison-control resource.

How to Get More From Pest-Repelling Plants

Adding plants to your garden can be helpful, but placement and general home maintenance matter too.

Place Plants Where They Make Sense

Consider placing aromatic plants around patios, outdoor seating areas, balconies, or near entrances.

However, don’t assume that simply putting a plant beside a window will create an invisible barrier that keeps every insect outside.

Keep Plants Healthy

Healthy plants are generally more useful and attractive than neglected ones.

Make sure each plant receives the appropriate amount of sunlight, water, and soil conditions. Different plants have different needs, so avoid treating them all the same.

Keep Your Home Clean

Plants work best as part of a broader approach to pest prevention.

Clean up food spills, store food in sealed containers, empty garbage regularly, and avoid leaving standing water around the property.

Also check doors and windows for gaps where insects can enter.

Don’t Rely on Plants for an Infestation

If you’re dealing with a serious infestation of ants, cockroaches, rodents, bedbugs, or another pest, a few plants probably won’t solve the underlying problem.

In those situations, identifying the source and using an appropriate pest-control strategy is much more effective.

A Greener Way to Enjoy Your Home

Plants can do more than make a house or garden look beautiful. Aromatic herbs and flowers can add fragrance, provide useful ingredients for cooking, attract pollinators, and may help discourage some unwanted insects.

Mint, lavender, basil, rosemary, marigolds, lemongrass, and other plants can all have a place in a well-maintained garden.

The key is to keep expectations realistic.

Rather than thinking of these plants as a guaranteed natural pesticide, think of them as one small part of a larger approach to keeping your home comfortable. Good sanitation, sealed food, secure windows and doors, removal of standing water, and appropriate pest control all remain important.

With the right combination, you can enjoy a greener, more pleasant home while making your outdoor spaces less inviting to some unwanted visitors.