A healthy garden is more than just good soil and sunshine. Some plants naturally help repel unwanted insects while attracting pollinators and beneficial bugs. Adding companion plants throughout your garden can reduce pests, improve plant health, and create a beautiful space full of color and fragrance.

Here are some of the best plants to grow for natural pest control and why they work so well.

Citronella

Citronella is widely known for helping repel mosquitoes. Its strong citrus scent masks the smells that attract biting insects. While commonly used in candles and sprays, growing citronella plants near patios or garden borders can also help discourage mosquitoes naturally.

Basil

Basil does more than flavor your favorite meals. Its strong aroma helps repel flies and mosquitoes while attracting pollinators like bees. Basil is especially useful planted near tomatoes and peppers because it may help deter aphids and hornworms.

Mint

Mint has a powerful scent that many pests dislike, including ants, mosquitoes, cabbage moths, and flea beetles. It spreads aggressively, so it is best planted in containers or controlled areas. The fresh smell also makes it a great addition around outdoor seating areas.

Sage

Sage helps repel cabbage moths, carrot flies, and certain beetles. Its earthy aroma can confuse harmful insects searching for crops. Sage also attracts pollinators when allowed to flower.

Petunias

Petunias are often called nature’s pesticide. These colorful flowers may help repel aphids, tomato hornworms, asparagus beetles, and leafhoppers. They work well planted alongside vegetables and can brighten up any garden bed.

Chrysanthemums (Mums)

Mums contain pyrethrin, a natural compound used in many insect repellents. They help repel ants, ticks, fleas, roaches, and even some garden pests. Chrysanthemums are one of the strongest natural pest-fighting flowers you can grow.

Thyme

Thyme helps repel cabbage worms, whiteflies, and tomato hornworms. It is also drought tolerant and attracts bees and other beneficial pollinators when blooming.

Catnip

Catnip is extremely effective against mosquitoes and can also discourage aphids, squash bugs, and flea beetles. Studies have shown catnip may be even more effective than some chemical repellents for mosquitoes. Just be prepared for neighborhood cats to visit.

Marigolds

Marigolds are one of the most popular companion plants for vegetable gardens. Their scent helps deter nematodes, aphids, mosquitoes, and whiteflies. French marigolds are especially useful planted around tomatoes and peppers.

Lavender

Lavender’s calming fragrance is loved by people but disliked by mosquitoes, moths, fleas, and flies. It thrives in sunny areas and attracts bees and butterflies while helping keep harmful insects away.

Rosemary

Rosemary helps repel mosquitoes, cabbage moths, and carrot flies. It grows well near vegetables and herbs while adding wonderful fragrance to the garden. Rosemary can also be burned outdoors to help discourage mosquitoes during summer evenings.

Lemongrass

Lemongrass contains citronella oil and is highly effective at repelling mosquitoes. It grows in tall clumps that add beauty and texture to the garden while providing natural insect protection.

Build a Stronger Garden Naturally

Using pest-repelling plants is a great way to reduce chemicals in your garden while supporting pollinators and beneficial insects. Companion planting creates a healthier ecosystem where plants work together to thrive naturally.

A garden filled with herbs and flowers not only helps protect your vegetables but also creates a peaceful, productive outdoor space full of color, fragrance, and life.

Whether you grow a few pots on your porch or maintain a large homestead garden, adding these plants can help your garden stay healthier all season long.