Keeping bugs and insects away from your home and garden doesn’t have to involve harmful chemicals. Many natural solutions exist, and one of the best options is using plants that repel bugs and insects. These plants produce strong scents, essential oils, or chemical compounds that deter mosquitoes, flies, aphids, and other common pests.
Whether you want to enjoy a mosquito-free backyard, protect your vegetable garden from aphids, or keep ants out of your home, plants that repel bugs and insects can be an effective and eco-friendly choice. From fragrant herbs like basil and lavender to ornamental flowers like marigolds and chrysanthemums, these plants serve as natural pest repellents while adding beauty to your landscape.
This guide covers 120 powerful plants that repel bugs and insects, complete with pictures to help you identify them. Learn how each plant works, where to grow them, and how they can benefit your garden and outdoor spaces.
List of Different Plants That Repel Bugs and Insects
Lavender (Lavandula spp.)
Lavender’s strong floral scent repels mosquitoes, moths, and fleas. Its essential oils contain linalool, which is known to deter insects. Plant it in sunny areas or use dried lavender in sachets indoors.
This hardy perennial thrives in well-drained soil and full sun, making it ideal for garden borders and containers. Besides its insect-repelling properties, lavender is also prized for its calming fragrance and medicinal benefits.
Basil (Ocimum basilicum)
This aromatic herb keeps mosquitoes and flies away. Basil releases its repellent properties without needing to be crushed, making it an excellent choice for gardens and patios.
Basil grows well in warm temperatures with plenty of sunlight. It is easy to cultivate in pots or garden beds and serves a dual purpose by enhancing culinary dishes while keeping pests at bay.
Marigolds (Tagetes spp.)
Marigolds produce pyrethrum, a natural insecticide that repels mosquitoes, aphids, and even nematodes in the soil. They are perfect for vegetable gardens.
These bright and cheerful flowers thrive in full sun and well-drained soil. Their ability to deter pests makes them a natural companion plant for tomatoes, peppers, and other crops.
Citronella (Cymbopogon nardus & Cymbopogon winterianus)
Known for its use in insect-repellent candles, citronella grass emits a strong lemony scent that deters mosquitoes. It thrives in warm climates.
This tall, clumping grass grows best in tropical and subtropical regions. While it can be planted in garden beds, many prefer to grow it in pots to control its spread.
Mint (Mentha spp.)
The strong aroma of mint repels ants, mosquitoes, and spiders. However, it spreads aggressively, so it’s best grown in containers.
Mint prefers partial shade and moist soil, making it easy to grow indoors or outdoors. Besides deterring pests, it is also widely used for culinary and medicinal purposes.
Rosemary (Salvia rosmarinus)
Rosemary repels mosquitoes, cabbage moths, and carrot flies. Its strong scent masks the presence of vulnerable plants, making it a great companion for vegetable gardens.
This drought-tolerant herb thrives in well-drained soil and full sun. It can be grown in garden beds or containers, providing both pest control and flavorful seasoning for culinary use.
Chrysanthemums (Chrysanthemum spp.)
These flowers contain pyrethrins, which repel roaches, ants, ticks, fleas, and bedbugs. Because of their potent insect-repelling properties, chrysanthemums are often used in natural insecticide sprays.
They grow best in well-drained soil with full to partial sun. Their bright blooms not only beautify gardens but also serve as a natural defense against unwanted pests.
Lemongrass (Cymbopogon citratus)
Closely related to citronella, lemongrass has a citrusy scent that repels mosquitoes and houseflies. The high citronellal content makes it an effective, natural insect deterrent.
This tall, clumping grass prefers warm climates and plenty of sunlight. It can be grown in containers or garden beds and is commonly used in cooking and herbal teas.
Petunias (Petunia spp.)
Petunias act as a natural repellent for aphids, tomato hornworms, and squash bugs. Their bright, trumpet-shaped flowers make them an easy and colorful addition to gardens.
These low-maintenance plants thrive in full sun and well-drained soil. Often planted in vegetable gardens and flower beds, petunias provide both pest control and vibrant seasonal blooms.
Catnip (Nepeta cataria)
Catnip contains nepetalactone, which repels mosquitoes and cockroaches more effectively than DEET in some studies. However, it may attract cats to your garden!
This hardy perennial grows well in various soil conditions and prefers full sun to partial shade. In addition to repelling pests, it is known for its calming effects on cats and its medicinal benefits for humans.
Bay Laurel (Laurus nobilis)
Bay leaves are known to repel flies, roaches, and pantry pests. Their strong aroma acts as a natural deterrent, making them useful for protecting stored food.
This evergreen shrub thrives in well-drained soil and partial to full sun. It can be grown in containers or garden beds, providing both pest control and aromatic leaves for cooking.
Eucalyptus (Eucalyptus spp.)
Eucalyptus has a strong, menthol-like scent that repels mosquitoes, ticks, and fleas. Its essential oil is commonly used in natural insect sprays and homemade repellents.
These fast-growing trees prefer warm climates and full sun. While some species grow quite large, dwarf varieties can be cultivated in pots for easier management.
Garlic (Allium sativum)
Garlic emits sulfur compounds that repel mosquitoes, aphids, and cabbage worms. Its pungent smell helps protect nearby plants from insect infestations.
This hardy vegetable grows best in well-drained soil and full sun. Beyond its pest-repelling properties, garlic is a valuable culinary and medicinal plant.
Thyme (Thymus vulgaris)
Thyme, especially lemon thyme, is effective against mosquitoes. When the leaves are crushed, they release a stronger scent that enhances their repellent properties.
This drought-tolerant herb thrives in full sun and well-drained soil. It makes an excellent ground cover while also serving as a flavorful ingredient in cooking.
Pennyroyal (Mentha pulegium)
This mint relative is a powerful insect repellent, especially for fleas and mosquitoes. However, it is toxic to pets and should be handled with caution in gardens.
Pennyroyal grows well in moist soil and partial sun. Due to its aggressive spreading nature, it is best cultivated in containers to prevent it from overtaking other plants.
Nasturtium (Tropaeolum majus)
Nasturtiums release airborne chemicals that repel aphids, whiteflies, and squash bugs, making them a great companion plant in vegetable gardens. Their presence helps protect crops like tomatoes, cucumbers, and beans from pest infestations.
These fast-growing flowers thrive in poor soil and full sun. Their bright blooms add beauty to gardens while also serving as an edible garnish with a peppery flavor.
Tansy (Tanacetum vulgare)
Tansy is effective against ants, mosquitoes, and flies. Its strong scent makes it a useful natural deterrent, though it should be planted with care due to its invasive nature.
This hardy perennial prefers well-drained soil and full sun. While it was historically used in herbal remedies, tansy should be handled with caution, as it can be toxic if ingested in large amounts.
Sage (Salvia officinalis)
Burning dried sage can help keep mosquitoes away during outdoor gatherings. When planted in the garden, it deters cabbage moths and carrot flies, protecting neighboring crops.
This drought-resistant herb thrives in well-drained soil and full sun. Besides repelling pests, sage is a flavorful culinary herb and a traditional remedy for sore throats and digestive issues.
Clove (Syzygium aromaticum)
Clove plants and their essential oils repel mosquitoes, ants, and moths. The strong fragrance of clove oil makes it a common ingredient in natural bug sprays and homemade repellents.
This tropical evergreen tree grows best in warm, humid climates. In addition to its pest-repelling properties, clove is widely valued for its aromatic flower buds, which are harvested as a spice.
Wormwood (Artemisia absinthium)
Wormwood’s strong scent deters fleas, moths, and rodents. It has been traditionally used to protect stored clothing from insect damage and to discourage pests in gardens.
This hardy perennial thrives in dry, well-drained soil and full sun. However, it should be used with caution, as its compounds can be toxic to pets and livestock if consumed in large amounts.
Fennel (Foeniculum vulgare)
Fennel repels aphids, slugs, and snails while attracting beneficial insects like ladybugs and parasitic wasps. Its strong licorice-like scent helps keep pests away from vegetable gardens.
This hardy perennial thrives in full sun and well-drained soil. While it can be invasive, fennel is a valuable addition to gardens, offering both pest control and aromatic, edible seeds.
Borage (Borago officinalis)
Borage repels cabbage worms and tomato hornworms, making it an excellent companion plant for tomatoes and brassicas. Its blue star-shaped flowers also attract pollinators like bees and butterflies.
This self-seeding annual grows well in various soil types and full sun. Besides its pest-repelling qualities, borage is edible, with leaves and flowers often used in salads or herbal remedies.
Dill (Anethum graveolens)
Dill repels aphids, squash bugs, and spider mites. It is often planted in vegetable gardens to protect cucumbers, lettuce, and brassicas from infestations.
This aromatic herb grows best in full sun and well-drained soil. While beneficial for pest control, dill also attracts swallowtail butterfly caterpillars, which feed on its foliage.
Onions (Allium cepa)
Onions naturally deter aphids, carrot flies, and cabbage worms, helping to protect nearby crops. Their strong scent confuses pests and makes it harder for them to locate host plants.
These hardy vegetables thrive in full sun and well-drained soil. When interplanted with carrots, lettuce, or brassicas, onions enhance pest control while providing a versatile kitchen staple.
Horseradish (Armoracia rusticana)
Horseradish repels potato beetles, aphids, and whiteflies. Its pungent roots release compounds that help protect potatoes, fruit trees, and brassicas from common garden pests.
This perennial plant thrives in rich, well-drained soil and full to partial sun. It spreads aggressively, so it’s best grown in contained areas or designated garden beds.
Sweet Woodruff (Galium odoratum)
This shade-loving plant repels mosquitoes, ants, and moths with its subtle yet effective scent. When dried, it releases a pleasant vanilla-like fragrance, making it useful for sachets and natural air fresheners.
Sweet woodruff thrives in moist, well-drained soil and partial to full shade. It is often used as a ground cover, providing both aesthetic appeal and natural pest control in shaded garden areas.
Rue (Ruta graveolens)
Rue is known to repel flies, mosquitoes, and even cats, making it a useful addition to gardens and outdoor seating areas. However, its sap can cause skin irritation in some individuals, so it should be handled with care.
This hardy perennial prefers full sun and well-drained soil. While its bitter-tasting leaves deter many pests, rue is also valued for its ornamental blue-green foliage.
Chives (Allium schoenoprasum)
Chives deter aphids, carrot flies, and Japanese beetles, making them a beneficial companion plant for vegetable gardens and flower beds. Their onion-like scent helps mask the presence of more vulnerable plants.
These hardy perennials grow well in full sun and well-drained soil. Besides their pest-repelling properties, chives are commonly harvested for their mild, onion-flavored leaves, which enhance many culinary dishes.
Pitcher Plant (Sarracenia spp.)
Unlike most repellent plants, pitcher plants are carnivorous and lure insects like mosquitoes and flies into their tubular leaves, where they are trapped and digested.
These unique plants thrive in nutrient-poor, acidic soils and require consistently moist conditions. They are well-suited for bog gardens or containers with specialized soil mixtures.
Venus Flytrap (Dionaea muscipula)
Another fascinating carnivorous plant, the Venus flytrap captures flies, gnats, and mosquitoes with its specialized snap-trap leaves, providing a natural form of insect control.
Native to humid environments, Venus flytraps grow best in nutrient-poor, acidic soil with plenty of sunlight. They require careful watering with distilled water to mimic their natural habitat conditions.
Lemon Balm (Melissa officinalis)
Lemon balm has a strong citrus scent that repels mosquitoes and gnats. Its fragrant leaves contain natural compounds that deter insects, making it a useful addition to outdoor spaces.
As a member of the mint family, lemon balm spreads aggressively, so growing it in containers is recommended to prevent it from overtaking garden beds. It thrives in full sun to partial shade and well-drained soil.
Chamomile (Matricaria chamomilla)
Chamomile repels mosquitoes, flies, and some garden pests while attracting beneficial pollinators like bees. It is often planted as a companion plant to improve the health of nearby crops.
This delicate herb prefers well-drained soil and full sun. Besides its pest-repelling properties, chamomile is widely used for its calming herbal tea and medicinal benefits.
Feverfew (Tanacetum parthenium)
Feverfew repels mosquitoes and flies due to its strong scent. It has been traditionally used in natural insect repellents and herbal medicine.
This hardy perennial thrives in well-drained soil and full sun. Its small, daisy-like flowers add charm to gardens while providing protection against unwanted pests.
Southernwood (Artemisia abrotanum)
Southernwood has a bitter, camphor-like scent that deters moths, mosquitoes, and flies. Historically, it was placed in wardrobes to protect clothes from moth damage.
This drought-tolerant shrub prefers full sun and well-drained soil. Its feathery, silver-green foliage adds texture to herb gardens while serving as a natural insect deterrent.
Bergamot (Monarda spp.)
Also known as bee balm, bergamot repels mosquitoes while attracting beneficial pollinators like bees, butterflies, and hummingbirds. Its aromatic leaves contain compounds similar to those in citronella.
Bergamot thrives in well-drained soil and full sun to partial shade. With its bright, showy flowers, it enhances gardens while serving as both a pollinator magnet and a natural insect repellent.
Hyssop (Hyssopus officinalis)
Hyssop deters cabbage moths and flea beetles, making it a valuable companion plant in vegetable gardens. Its minty, slightly spicy aroma helps protect crops from insect damage.
This hardy perennial thrives in full sun and well-drained soil. In addition to its pest-repelling benefits, hyssop is often used for medicinal purposes and as a flavorful herb in teas and culinary dishes.
Pitcher Sage (Salvia azurea)
This sage variety helps repel insects, including mosquitoes and flies, while attracting hummingbirds and butterflies with its striking blue flowers. It is a low-maintenance plant that thrives in dry conditions.
Pitcher sage prefers full sun and well-drained soil. Its drought tolerance makes it an excellent choice for xeriscaping and pollinator-friendly gardens.
Lantana (Lantana camara)
Lantana’s bright, colorful flowers emit a scent that repels mosquitoes, making it a useful plant for outdoor spaces. However, all parts of the plant are toxic if ingested, so caution is advised around pets and children.
This heat-loving perennial thrives in full sun and well-drained soil. In addition to its pest-repelling qualities, lantana is a favorite among butterflies and hummingbirds.
Geranium (Pelargonium spp.)
Certain scented geraniums, especially those with a lemon fragrance, are effective at repelling mosquitoes. They are commonly grown in containers, garden beds, and hanging baskets for both decorative and practical purposes.
These hardy plants prefer full sun and well-drained soil. Their aromatic leaves release insect-repelling oils when brushed or crushed, enhancing their effectiveness.
Castor Bean Plant (Ricinus communis)
The castor bean plant repels mosquitoes, moles, and voles due to its toxic compounds. While effective in pest control, this plant is highly poisonous if ingested, making it a risky choice for homes with pets or children.
This fast-growing tropical plant thrives in full sun and well-drained soil. Its large, ornamental leaves add dramatic appeal to landscapes, but it should be handled with care.
Agastache (Agastache spp.)
Also known as anise hyssop, Agastache repels mosquitoes and aphids while attracting pollinators like bees and butterflies. Its fragrant, licorice-scented leaves enhance gardens with both function and beauty.
This drought-tolerant perennial grows well in full sun and well-drained soil. Besides its insect-repelling properties, it is often used in herbal teas and natural remedies.
Butterfly Weed (Asclepias tuberosa)
While primarily known for attracting butterflies, butterfly weed also deters aphids and other garden pests. Its bright orange flowers provide nectar for pollinators while serving as a natural pest deterrent.
This drought-tolerant perennial thrives in full sun and sandy or well-drained soil. It is a host plant for monarch butterflies, making it a valuable addition to wildlife gardens.
Mexican Marigold (Tagetes lucida)
A stronger variety of marigold, Mexican marigold repels mosquitoes, whiteflies, and nematodes. Its aromatic leaves contain natural compounds that deter insect pests.
This sun-loving plant thrives in warm climates and well-drained soil. It is also used in traditional medicine and as a culinary herb in some cultures.
Snow-on-the-Mountain (Euphorbia marginata)
This ornamental plant produces a milky sap that deters insects but can be irritating to human skin. Its striking white-edged leaves add visual interest to gardens.
Snow-on-the-Mountain thrives in dry, well-drained soil and full sun. Due to its skin-irritating properties, it should be handled with gloves when pruning or transplanting.
Allspice (Pimenta dioica)
The leaves of the allspice tree have insect-repelling properties, deterring mosquitoes and other pests. Its spicy, clove-like scent makes it a useful natural deterrent.
This tropical evergreen tree thrives in warm, humid climates and well-drained soil. In addition to its pest-repelling benefits, allspice is widely valued for its culinary and medicinal uses.
Curry Plant (Helichrysum italicum)
Despite its name, the curry plant is not edible, but it repels insects due to its strong, spicy aroma. Its silver-gray foliage and small yellow flowers add decorative appeal to gardens.
This drought-tolerant perennial prefers full sun and well-drained soil. It is commonly used in Mediterranean landscapes for its ornamental and aromatic qualities.
Tea Tree (Melaleuca alternifolia)
The essential oils from the tea tree repel mosquitoes and other biting insects. Its natural antimicrobial properties make it a common ingredient in insect-repellent sprays and skin care products.
Tea tree thrives in warm climates with well-drained soil and full sun. While primarily grown for its oil, it can also be cultivated as an ornamental shrub in gardens.
Perilla (Perilla frutescens)
This herb repels mosquitoes and flies while being edible and commonly used in Asian cuisine. Its aromatic leaves have a distinct flavor and are often used in pickling, salads, and herbal teas.
Perilla grows well in full sun to partial shade and well-drained soil. It is a self-seeding annual, making it easy to cultivate in herb gardens.
Indian Coleus (Plectranthus amboinicus)
Also known as Cuban oregano, Indian coleus has a strong scent that repels mosquitoes and flies. Its thick, fleshy leaves release a pungent aroma when crushed.
This drought-tolerant herb thrives in warm climates and well-drained soil. It is often grown in containers to control its vigorous spreading habit.
Lemon Verbena (Aloysia citrodora)
With its citrus fragrance, lemon verbena is excellent for repelling mosquitoes and gnats. Its leaves are also used in herbal teas, perfumes, and potpourris.
Lemon verbena prefers full sun and well-drained soil. It can be grown as a perennial in warm climates or as an annual in cooler regions.
Hemp (Cannabis sativa)
Hemp repels certain pests like aphids and whiteflies, making it useful in companion planting for natural pest control. Its tall stalks provide shade and wind protection for nearby crops.
This fast-growing plant thrives in well-drained soil and full sun. In addition to its pest-repelling benefits, hemp is cultivated for fiber, seeds, and oil.
Wintergreen (Gaultheria procumbens)
This low-growing plant has a minty aroma that repels mosquitoes and ants. Its glossy green leaves release a refreshing scent when crushed.
Wintergreen thrives in acidic, well-drained soil and partial shade. It is commonly grown as ground cover in woodland gardens.
Beebalm (Monarda didyma)
A relative of bergamot, beebalm repels mosquitoes while attracting pollinators like bees, butterflies, and hummingbirds. Its vibrant red or purple flowers make it a striking addition to gardens.
Beebalm prefers full sun to partial shade and moist, well-drained soil. It is commonly planted in wildflower meadows and pollinator gardens.
Indian Lilac (Azadirachta indica)
Also known as neem, this tree produces neem oil, a powerful natural insect repellent against mosquitoes, aphids, and caterpillars. The oil is widely used in organic farming and skincare.
Indian lilac thrives in warm, arid climates with well-drained soil. It is a hardy tree that provides shade while deterring a variety of pests.
Yarrow (Achillea millefolium)
Yarrow repels aphids, ants, and mosquitoes while improving soil health. It is often used in permaculture and companion planting due to its ability to enhance plant resilience.
This drought-tolerant perennial grows well in poor soils and full sun. Its feathery foliage and clusters of small flowers make it a favorite in wildflower gardens.
Camphor Tree (Cinnamomum camphora)
The camphor tree releases compounds that deter mosquitoes, fleas, and moths. Its fragrant wood and leaves have been used in traditional medicine and insect-repellent products.
This evergreen tree thrives in warm climates with well-drained soil. It grows rapidly and provides dense shade, making it a popular ornamental tree in parks and gardens.
Vetiver Grass (Chrysopogon zizanioides)
Vetiver is highly effective at repelling mosquitoes due to its strong scent. Its deep root system also helps prevent soil erosion and improves land stability.
This hardy perennial thrives in warm, tropical climates and well-drained soil. Besides its insect-repelling properties, vetiver is used in essential oil production and natural air purification.
Magnolia (Magnolia grandiflora)
Magnolia flowers produce compounds that naturally deter mosquitoes. The large, fragrant blooms not only repel insects but also attract pollinators like bees and butterflies.
This evergreen tree thrives in warm climates with well-drained soil and full sun to partial shade. It is a popular ornamental tree due to its glossy green leaves and striking flowers.
Red Cedar (Juniperus virginiana)
The wood and foliage of red cedar repel moths, mosquitoes, and fleas. Cedar chests and shavings are commonly used to protect clothing from insect damage.
Red cedar is a hardy tree that grows well in various soil types. It is often planted as a windbreak or privacy screen due to its dense, evergreen foliage.
Osage Orange (Maclura pomifera)
The fruit of this tree, known as hedge apples, repels spiders, cockroaches, and crickets. While not edible for humans, the fruit is often placed around homes to deter pests.
Osage orange trees are highly adaptable and thrive in poor soil conditions. Their thorny branches make them an effective natural fence for livestock.
Sassafras (Sassafras albidum)
Sassafras leaves and bark contain natural compounds that repel mosquitoes and other insects. The tree’s aromatic properties have been used in traditional medicine and insect-repellent formulations.
This deciduous tree prefers well-drained soil and full sun to partial shade. Its leaves turn vibrant colors in autumn, adding ornamental value to landscapes.
Sweet Basil Tree (Callicarpa americana)
Also known as American beautyberry, this plant’s leaves contain compounds that deter mosquitoes and ticks. Crushed leaves are sometimes rubbed on the skin for natural insect protection.
This shrub thrives in warm, humid climates with well-drained soil. Its clusters of bright purple berries provide food for birds and other wildlife.
Bog Myrtle (Myrica gale)
This wetland plant is known for repelling midges and mosquitoes, making it useful in humid areas. Its leaves have been traditionally used to make insect-repellent sachets and candles.
Bog myrtle prefers moist, acidic soil and full sun. It is commonly found in bogs and marshlands, where it helps stabilize wetland ecosystems.
Purple Dead Nettle (Lamium purpureum)
While often considered a weed, purple dead nettle has natural repellent properties against aphids. It also attracts pollinators early in the season, benefiting surrounding plants.
This low-growing plant thrives in various soil conditions and spreads quickly. Its purple-tinged leaves add color to gardens and wild spaces.
Climbing Onion (Bowiea volubilis)
This unique vining plant is known to repel insects due to its toxic sap. Its bulbous base and twining stems make it a striking ornamental plant.
Climbing onion grows well in warm, arid climates with well-drained soil. It is often cultivated as a houseplant due to its drought tolerance.
White Sage (Salvia apiana)
Used in traditional smudging, burning white sage can help repel mosquitoes and flies. The plant’s silvery foliage and strong aroma make it a favorite for herbal and spiritual uses.
White sage thrives in dry, sandy soil and full sun. It is native to the southwestern United States and is often grown for medicinal and ceremonial purposes.
Cowpea (Vigna unguiculata)
Cowpea plants deter certain beetles and pests that attack vegetable crops. In addition to its pest-repelling properties, it is a valuable food crop rich in protein.
This drought-tolerant legume thrives in warm climates with well-drained soil. It is often used in crop rotation to improve soil fertility.
Prickly Ash (Zanthoxylum americanum)
Also called the “toothache tree,” prickly ash repels mosquitoes and some garden pests. Its bark contains compounds that have been used in traditional medicine for pain relief.
This small tree prefers well-drained soil and full sun. Its thorny branches provide habitat for wildlife while deterring unwanted pests.
Sweet Flag (Acorus calamus)
This wetland plant is known for its strong scent, which repels mosquitoes and other insects. It has been traditionally used in natural insect repellent formulations.
Sweet flag thrives in marshy or wet soil and is often found near ponds and streams. Its long, grass-like leaves add an ornamental touch to aquatic gardens.
Chinese Mahogany (Toona sinensis)
The leaves of this tree have insect-repelling properties and are sometimes used in organic pest control. Young leaves are also edible and have a unique, onion-like flavor.
Chinese mahogany grows well in warm climates with well-drained soil. It is a fast-growing deciduous tree commonly planted as a shade tree in urban areas.
Wild Bergamot (Monarda fistulosa)
This North American wildflower repels mosquitoes while attracting pollinators like bees and butterflies. Its fragrant, lavender-colored flowers make it a favorite in pollinator gardens.
Wild bergamot thrives in dry, sandy soil and full sun. It is a hardy perennial often used in native landscaping and prairie restoration projects.
Stinging Nettle (Urtica dioica)
Although it can cause skin irritation when touched, stinging nettle repels aphids, beetles, and other harmful insects. It is also beneficial for composting and soil enrichment.
This hardy perennial grows in moist, rich soil and is often found along riverbanks and forest edges. It has culinary and medicinal uses when prepared properly.
Alder (Alnus spp.)
Alder trees produce compounds that deter mosquitoes and some garden pests. Their roots improve soil quality by fixing nitrogen, making them beneficial for reforestation efforts.
Alders thrive in wet, riparian areas and are often used for erosion control. They are fast-growing and provide habitat for wildlife.
Gardenia (Gardenia jasminoides)
The strong fragrance of gardenias helps repel whiteflies and other small insects. Their beautiful white blooms make them a popular ornamental plant.
Gardenias prefer acidic, well-drained soil and warm temperatures. They require regular watering and humidity to thrive.
Peonies (Paeonia spp.)
Peonies naturally deter ants and some beetles due to the waxy coating on their petals. Their large, showy flowers make them a favorite in garden landscapes.
These perennials thrive in temperate climates with well-drained soil and full sun to partial shade. They can live for decades with minimal care.
Black Walnut (Juglans nigra)
Black walnut trees release juglone, a chemical that repels mosquitoes, flies, and certain soil pests. However, juglone can be toxic to some plants, making it difficult to grow other species nearby.
Black walnuts prefer deep, well-drained soil and full sun. Their wood is highly valued, and their nuts are edible but require effort to process.
Sorghum (Sorghum bicolor)
Sorghum plants produce tannins that deter some insects, making them useful in integrated pest management. Some varieties are also cultivated for grain and fodder.
Sorghum grows well in hot, dry climates and is drought-tolerant. It is an important staple crop in many parts of the world.
Chayote (Sechium edule)
This vining plant helps repel certain beetles and caterpillars that attack vegetables. It also produces edible, pear-shaped fruits that are commonly used in cooking.
Chayote thrives in warm, humid climates with well-drained soil. Its fast-growing vines need a trellis for support.
Hemp Agrimony (Eupatorium cannabinum)
Hemp agrimony repels certain insects while attracting beneficial pollinators like butterflies and bees. It has been traditionally used in herbal medicine.
This hardy perennial prefers moist soil and partial sun. It is often found growing along riverbanks and wetlands.
Dogbane (Apocynum cannabinum)
Dogbane contains toxic compounds that naturally deter aphids, caterpillars, and some beetles. It is also known as Indian hemp due to its strong fibers, historically used for making ropes and textiles.
This perennial thrives in dry, sandy soils and is often found in meadows and along roadsides. It produces clusters of small, pale flowers that attract pollinators.
Columbine (Aquilegia spp.)
Columbine flowers help deter aphids and attract beneficial pollinators like bees and hummingbirds. Their unique, spurred petals come in a variety of colors, adding beauty to gardens.
Columbine thrives in well-drained soil with partial shade, making it a great choice for woodland gardens and rockeries. It self-seeds easily, allowing it to naturalize over time.
Elderberry (Sambucus spp.)
Elderberry plants repel mosquitoes and aphids while providing berries that are edible for both birds and humans. The berries are commonly used in syrups, teas, and jams.
This fast-growing shrub prefers moist, well-drained soil and full sun to partial shade. It is often planted as a hedge or windbreak.
Lemon Eucalyptus (Eucalyptus citriodora)
Lemon eucalyptus produces citronellal, an active ingredient in many commercial mosquito repellents. Its strong lemon scent is pleasant for humans but repellent to insects.
This fast-growing tree thrives in warm climates with full sun and well-drained soil. It is commonly used in essential oil production.
Scented Pelargoniums (Pelargonium spp.)
Certain geranium varieties with lemon, rose, or peppermint scents repel mosquitoes and flies. These fragrant plants are often grown in containers near patios and windows.
Pelargoniums prefer well-drained soil and full sun. They are drought-tolerant and easy to care for, making them popular in both gardens and homes.
Spilanthes (Acmella oleracea)
Also known as the toothache plant, Spilanthes contains compounds that deter pests while having medicinal uses. When chewed, its flowers create a numbing, tingling sensation.
This tropical plant grows well in warm climates with rich, well-drained soil. It is often cultivated for its ornamental and medicinal properties.
Chinese Chaste Tree (Vitex negundo)
This tree produces leaves that naturally repel mosquitoes and other insects. It has been used in traditional medicine for its anti-inflammatory properties.
Vitex negundo thrives in warm, dry climates and is often planted as a windbreak or ornamental shrub. Its lavender flowers attract pollinators.
Garlic Vine (Mansoa alliacea)
Garlic vine has a strong garlic-like scent that helps keep mosquitoes and insects at bay. It is also known for its striking purple flowers that bloom in clusters.
This fast-growing vine thrives in warm, tropical climates and needs a sturdy support structure. It is commonly used as a natural insect barrier around homes and gardens.
Tephrosia (Tephrosia vogelii)
A tropical plant used in organic pest control, Tephrosia repels beetles, aphids, and mites. It is also used as a natural pesticide in agroforestry systems.
This leguminous shrub thrives in poor soils and helps improve soil fertility by fixing nitrogen. It is often planted as a cover crop or windbreak.
Horse Chestnut (Aesculus hippocastanum)
Horse chestnut seeds contain compounds that deter spiders and moths. The tree’s large, showy flowers make it a popular ornamental species in parks and gardens.
This deciduous tree thrives in temperate climates with deep, well-drained soil. While its seeds are toxic if ingested, they have been used in traditional medicine.
Sweet Annie (Artemisia annua)
This variety of wormwood has a strong scent that deters mosquitoes and other flying pests. It is also the source of artemisinin, a compound used in malaria treatment.
Sweet Annie grows best in warm, dry climates with well-drained soil. It is often cultivated for medicinal and ornamental purposes.
Wild Indigo (Baptisia australis)
Wild indigo produces toxic compounds that deter many garden pests, including aphids and beetles. It is also resistant to deer and rabbits, making it a great low-maintenance plant.
This perennial thrives in well-drained soil and full sun, producing striking blue flowers that resemble lupines. It is commonly used in prairie and native plant gardens.
Blue Mistflower (Conoclinium coelestinum)
Blue mistflower repels mosquitoes while attracting butterflies and other pollinators. Its fluffy blue flowers create a stunning late-summer bloom in gardens.
This plant thrives in moist, well-drained soil and partial sun. It spreads quickly, making it useful for ground cover or erosion control.
Snowdrop (Galanthus spp.)
Snowdrops contain compounds that repel rodents and some soil-dwelling insects. Their early bloom provides a welcome burst of white flowers in late winter.
These bulbous perennials prefer cool climates and well-drained, shaded areas. They are often planted in woodland gardens or under trees.
Black Cohosh (Actaea racemosa)
Black cohosh is known to repel flies, mosquitoes, and other small insects. It has also been used in traditional medicine for centuries.
This tall, shade-loving perennial produces elegant white flower spikes in late summer and thrives in rich, moist soil.
Indian Pipe (Monotropa uniflora)
This unique, ghostly-white plant repels certain soil-borne pests and insects. Unlike most plants, it does not produce chlorophyll and survives as a parasite on fungi.
Indian pipe prefers dark, damp forest floors where it can absorb nutrients from decaying plant matter. It is a fascinating addition to natural woodland environments.
Purple Loosestrife (Lythrum salicaria)
While considered invasive in some regions, purple loosestrife naturally repels mosquitoes and other biting insects. Its vibrant purple spikes add color to wetland areas.
This hardy plant thrives in moist soils near ponds, marshes, and streams. In controlled environments, it can be an attractive and beneficial plant for pollinators.
Cucumber (Cucumis sativus)
Cucumber plants emit a mild scent that repels ants, cockroaches, and wasps. The fruit is widely grown for its refreshing taste and hydrating properties.
Cucumbers grow best in warm, sunny conditions with well-drained soil. They are commonly trained on trellises to maximize space in vegetable gardens.
Jatropha (Jatropha curcas)
Jatropha seeds and leaves contain compounds that repel pests like aphids and beetles. The plant is also used for biodiesel production due to its high oil content.
This drought-tolerant shrub thrives in arid and tropical regions. While useful, it is toxic if ingested, so caution is advised when planting around pets or children.
Partridge Pea (Chamaecrista fasciculata)
This plant deters nematodes and some leaf-eating insects while benefiting pollinators. It is also a host plant for sulfur butterflies, making it valuable for wildlife gardens.
Partridge pea prefers sandy, well-drained soil and full sun. It is commonly used in prairie restoration and erosion control projects.
Milk Thistle (Silybum marianum)
Milk thistle’s spiny leaves make it unappealing to many insect pests while offering medicinal benefits. It has been used in herbal remedies for liver health.
This hardy biennial grows in dry, disturbed soils and full sun. It produces striking purple flowers with thorny foliage that helps deter browsing animals.
Sweet Fern (Comptonia peregrina)
Sweet fern has a strong scent that repels mosquitoes and gnats, making it useful for camping and outdoor spaces. It is also nitrogen-fixing, improving soil health.
This deciduous shrub thrives in poor, sandy soils and full sun. Its fragrant leaves can be dried and used as a natural insect repellent.
Hedge Mustard (Sisymbrium officinale)
This wild mustard plant deters many garden pests, including aphids and caterpillars. It has been used in herbal medicine for its potential anti-inflammatory properties.
Hedge mustard grows in disturbed soils, along roadsides, and in open fields. It produces small yellow flowers and thrives in full sun with well-drained soil.
Hemp Dogbane (Apocynum cannabinum)
Closely related to common dogbane, this plant repels many insect pests while being toxic to livestock. It is also sometimes referred to as Indian hemp due to its strong fiber.
Hemp dogbane prefers moist soils and open woodlands, growing as a tall perennial with reddish stems and narrow leaves. It produces small, pale green flowers.
Bog Rosemary (Andromeda polifolia)
This wetland plant contains compounds that deter insects, particularly mosquitoes. Despite its name, it is not related to culinary rosemary.
Bog rosemary thrives in acidic, boggy soils and produces delicate, bell-shaped pink flowers. It is a beautiful addition to wetland gardens but is toxic if ingested.
Bishop’s Weed (Aegopodium podagraria)
A ground cover plant that naturally repels some beetles and aphids. It spreads aggressively, making it useful for erosion control but potentially invasive in some areas.
Bishop’s weed thrives in shade or partial sun, with its variegated foliage creating an attractive carpet in gardens. It is often used as an ornamental plant.
Larkspur (Delphinium spp.)
Larkspur contains alkaloids that are toxic to many insects, helping to protect nearby plants. However, it is also poisonous to humans and livestock if consumed.
This striking perennial grows tall spikes of blue, purple, pink, or white flowers. It prefers full sun and well-drained soil, making it a stunning addition to flower gardens.
Angel’s Trumpet (Brugmansia spp.)
While highly toxic to humans and pets, this plant’s strong scent deters many pests, including aphids. It is admired for its large, trumpet-shaped flowers.
Angel’s trumpet thrives in warm climates and rich, well-drained soil. It is often grown as a showpiece in tropical and subtropical gardens.
Lungwort (Pulmonaria spp.)
Lungwort helps deter slugs, snails, and some insect pests while thriving in shady gardens. It is also valued for its medicinal uses in herbal remedies.
This perennial has distinctive spotted leaves and produces blue, pink, or purple flowers in early spring. It prefers moist, well-drained soil in shaded areas.
Red Hot Poker (Kniphofia uvaria)
The flowers of this plant attract pollinators while repelling certain insect pests. Its striking, torch-like blooms make it a favorite in ornamental gardens.
Red hot poker thrives in full sun and well-drained soil. It is drought-tolerant and adds a bold splash of color to garden landscapes.
Bluebeard (Caryopteris × clandonensis)
This late-summer bloomer repels mosquitoes and aphids while attracting bees and butterflies. It is a valuable plant for extending the flowering season in gardens.
Bluebeard prefers full sun and well-drained soil. Its delicate blue flowers and silvery-green foliage create an elegant display in borders and pollinator gardens.
Sweet Woodruff (Galium odoratum)
This shade-loving ground cover has a sweet scent that repels mosquitoes and ants. When dried, its leaves release a pleasant vanilla-like fragrance.
Sweet woodruff thrives in moist, well-drained soil and partial to full shade. It is often used as a natural ground cover in woodland gardens.
Fever Bark Tree (Cinchona spp.)
The bark contains quinine, which is known for repelling mosquitoes and treating malaria. It has played a crucial role in the history of medicine.
Fever bark trees grow in tropical climates, preferring high-altitude forests with well-drained soil. Their pinkish flowers and glossy green leaves make them visually appealing as well.
Mayapple (Podophyllum peltatum)
This woodland plant is toxic to many insects, deterring them from feeding on nearby plants. Its umbrella-like leaves provide ground cover in shaded forest areas.
Mayapple thrives in moist, well-drained soils and spreads through underground rhizomes. While the unripe fruit and plant parts are toxic, the ripe fruit is edible in small amounts.
Wild Ginger (Asarum canadense)
Wild ginger emits a scent that repels ants, slugs, and some garden pests. It is a shade-loving plant commonly found in forest understories.
With heart-shaped leaves and small, hidden flowers, wild ginger thrives in rich, moist soils. It is often used as a ground cover in woodland gardens.
Goldenrod (Solidago spp.)
While it attracts pollinators, goldenrod also helps repel aphids and certain beetles. It is a resilient wildflower that thrives in meadows and prairies.
Goldenrod has tall, yellow flower clusters that bloom in late summer and fall. It is often mistaken for ragweed but does not cause seasonal allergies.
Licorice Plant (Helichrysum petiolare)
This ornamental plant has silvery leaves that repel mosquitoes and other pests. It is often grown for its soft, velvety foliage in decorative gardens.
Licorice plant prefers warm climates with full sun and well-drained soil. It is drought-tolerant and can be grown as a trailing plant in containers or hanging baskets.
Wild Senna (Senna hebecarpa)
This plant deters certain caterpillars and leaf-eating insects while attracting beneficial pollinators. It is a member of the legume family, fixing nitrogen in the soil.
Wild senna produces bright yellow flowers in mid to late summer. It thrives in sunny locations with well-drained soils, making it a valuable addition to native plant gardens.
Blue Star (Amsonia spp.)
Blue star plants contain a milky sap that repels many herbivorous insects. Their star-shaped blue flowers add beauty to gardens while serving a functional role.
This plant prefers full sun to partial shade and well-drained soil. It has attractive, narrow leaves that turn golden-yellow in the fall.
Evening Primrose (Oenothera biennis)
The strong scent of evening primrose repels some beetles and flies while attracting nocturnal pollinators like moths. Its seeds are valued for their oil, which has medicinal uses.
Evening primrose thrives in poor, well-drained soils and full sun. It has bright yellow flowers that open in the evening, providing a food source for nighttime pollinators.
Dutchman’s Pipe (Aristolochia macrophylla)
This vine produces compounds that deter some leaf-eating insects while attracting butterflies. It is especially known for hosting pipevine swallowtail caterpillars.
Dutchman’s pipe has large, heart-shaped leaves and unusual pipe-shaped flowers. It thrives in rich, moist soils and can be trained to grow on trellises or fences.
