What Are the Best Plants to Deter Insects Naturally for Your Garden

Table of Contents

    A flourishing garden is a source of joy and relaxation. However, the presence of garden pests and unwanted insects can turn this haven into a battleground. Natural predators can also help maintain a pest-free garden.

    You can keep your garden thriving without relying on harmful chemicals by choosing the best plants to deter insects naturally.

    This guide explains the top plants for natural insect control, their benefits, and additional pest management strategies.

    Let’s Get Straight to the Point

    Plant insect-repellent herbs like basil, mint, and rosemary, flowers like lavender, marigolds, scented geraniums, and bee balm, and carnivorous plants to keep your garden pest-free naturally.

    To deter mosquitoes, use companion planting, such as citronella grass near fruit trees, and eliminate standing water. Combine these with natural oils, essential oils, and beneficial insects like ladybugs for a thriving, pest-free garden.

    5 natural ingredients for creating pest repellent sprays you can trust

    Understanding Insect-Repellent Plants

    Nature has given plants unique ways to defend themselves from pests, and gardeners can harness these features to protect their outdoor spaces. Some plants release airborne chemicals that deter insects, including volatile oils that act as natural repellents.

    How Do Plants Repel Insects?

    Plants use a variety of mechanisms to deter pests. Understanding these can help you select the right plants for your garden.

    • Natural scents: Certain plants produce a strong scent that overwhelms the sensory receptors of insects, driving them away. For example, lavender oil and citronella are effective against mosquitoes.
    • Volatile oils: Many plants release essential oils when exposed to high temperatures, making them more effective during the hot months.
    • Physical structures: Some plants, such as carnivorous species, feature sticky or slippery surfaces to trap or repel pests.
    • Historical use: For thousands of years, people have used plants, such as mint, as natural insecticides to keep away flies and mosquitoes.

    In addition to using these plants, reducing standing water—a breeding ground for mosquitoes—is essential for pest control in vegetable gardens or around water features.

    Types of Insect-Repellent Plants

    Choosing the right types of plants for your garden is key to maintaining a healthy, pest-free environment. Many plants, including volatile oils, have unique ways to repel insects and protect themselves.

    Flowers for Insect Repellent

    • Marigolds: These bright flowers repel mosquitoes and aphids. They contain pyrethrum, a compound used in many insect repellents.
    • Lavender: Not only does lavender smell wonderful, but it also keeps moths, fleas, flies, and mosquitoes at bay.
    • Chrysanthemums: These flowers contain pyrethrin, a natural insecticide that can help control ants, roaches, ticks, fleas, and bedbugs.
    • Petunias: Petunias are effective against aphids, tomato hornworms, asparagus beetles, leafhoppers, and squash bugs.
    • Scented Geraniums: Scented geraniums are known for their pleasant fragrance and ability to repel mosquitoes and other insects. Their strong scent masks the smell of other plants, making it harder for pests to locate their targets. These plants use unique ways, including volatile oils, to deter pests effectively.

    1. Carnivorous Plants

    Carnivorous plants are fascinating and highly effective at controlling small pests. They lure, trap, and ingest insects for nutrients. Additionally, carnivorous plants act as natural predators to control pests.

    • Venus fly trap: Known for its rapid snap-closing mechanism, it captures flies, gnats, and spider mites. This plant thrives in moist soil and is perfect for pots in shaded areas.
    • Pitcher plants: These unique plants have cup-shaped leaves filled with digestive fluids to trap flying insects. Place them in partially shaded areas with well-drained soil.
    • Sundews: With sticky, gland-covered leaves, sundews attract and digest small pests like aphids and fungus gnats.

    These plants are particularly useful for areas with high insect activity and can complement other plants that repel pests.

    2. Herbs for Insect Repellent

    Herbs are a favourite among gardeners due to their dual purpose as a culinary herb and pest deterrent. Some of the most effective herbs include:

    • Basil: A fragrant and versatile annual herb that deters houseflies and mosquitoes. Plant it in full-sun soil for the best growth.
    • Rosemary: This drought-tolerant herb thrives in sunny areas. It is a natural mosquito repellent and enhances the flavour of grilled dishes.
    • Mint family plants: Peppermint and spearmint are excellent for repelling ants, flies, and mosquitoes. Be cautious, as mint spreads rapidly, so it’s best grown in pots.
    • Lemon thyme: When you simply crush its leaves, it releases a citrus aroma that deters mosquitoes.
    • Bee balm: Known for its vibrant flowers, bee balm also repels mosquitoes and other insects. It thrives in full sun and well-drained soil.

    Growing these herbs in herb gardens or near a fire pit enhances your garden’s practicality and aesthetics. There are many unique ways to utilise these plants for insect-repellent purposes, including essential oils.

    3. Flowers for Insect Repellent

    Flowers in your garden add colour, beauty, and natural pest control in unique ways, including volatile oils.

    • Lavender: This perennial flower is famous for its calming effect and is a natural mosquito repellent. Its fragrance also deters moths and flies.
    • Marigolds: These hardy flowers repel various pests, including mosquitoes, aphids, and cabbage moths. They thrive in full-sun soil.
    • Nasturtium: A favourite for vegetable gardens, it repels squash bugs, whiteflies, and carrot flies. Its edible flowers are a bonus.
    • Floss flower: Contains coumarin, a compound found in many commercial insect sprays. Its blue blooms are perfect for late spring and early summer.
    • Scented Geraniums: Known for their pleasant fragrance, scented geraniums repel mosquitoes and other insects. They are easy to grow and can be placed in pots or garden beds.

    Planting these flowers around your fruit trees and vegetable beds will provide continuous protection throughout the growing season.

    Companion Planting for Insect Control

    Companion planting effectively enhances a garden’s resistance to pests through unique ways, including essential oils. It involves strategically placing nearby plants with complementary properties.

    Additionally, companion planting can attract natural predators to control pests.

    Planting Nearby Plants for Insect Repellent

    Here’s how companion planting can benefit your garden:

    • Citronella grass near fruit trees: Citronella is known for repelling pests, including mosquitoes. Its natural oil is widely used in insect-repellent products.
    • Mint family plants near herb gardens: These aromatic plants deter ants, flies, and other pests while enhancing the growth of neighbouring plants.
    • Lavender oil plants near vegetable gardens: Lavender deters aphids, beetles, and whiteflies, keeping your vegetables pest-free.
    • Bee balm near flower beds: Bee balm repels mosquitoes and attracts beneficial insects like bees and butterflies, promoting pollination.
    • Well-drained soil and sun soil: Choose plants that thrive in these conditions to prevent fungal growth, which attracts pests like spider mites.

    Using companion planting in unique ways, including plants that produce volatile oils, effectively reduces the need for synthetic pesticides and creates a balanced ecosystem.

    5 natural ingredients for creating pest repellent sprays you can trust 2

    Managing Garden Pests

    Understanding the most common pests in your garden is essential for targeted control and exploring unique ways to manage them, such as essential oils.

    Natural predators can also play a significant role in managing garden pests.

    1. Common Garden Pests

    • Aphids: These tiny pests suck sap from plants, weakening them. Use nasturtiums and marigolds to keep aphids away.
    • Squash bugs: These pests, which are a significant threat to gourds and pumpkins, can be repelled by nasturtiums planted nearby.
    • Whiteflies: Known for infesting vegetable gardens, whiteflies are easily managed with marigolds and lavender.
    • Bee balm: This plant helps control pests like mosquitoes and attracts beneficial insects, making it a valuable addition to any garden.

    Combining natural repellents like these plants with regular garden maintenance ensures better pest control.

    2. Natural Ways to Keep Mosquitoes Away

    In addition to using citronella grass and other plants to repel mosquitoes, there are several other natural ways to keep these pesky insects at bay. Here are some effective methods to consider:

    • Eliminate Standing Water: Mosquitoes need standing water to breed, so regularly check for and eliminate any stagnant water in pots, trays, and bird baths. This simple step can significantly reduce the mosquito population in your garden.
    • Use Mosquito Rings: Mosquito rings are eco-friendly products that can be placed in water features to prevent mosquito larvae from developing. These rings release a natural bacterium that targets mosquito larvae without harming other beneficial insects.
    • Essential Oils: Certain essential oils, such as lavender oil and citronella oil, are known for their mosquito-repelling properties. You can apply these oils around your garden or use diffusers to spread their scent. This keeps mosquitoes away and adds a pleasant aroma to your outdoor space.
    • Plant Beneficial Insects: Attracting beneficial insects like ladybugs and lacewings can help control the mosquito population. These insects prey on mosquito larvae and other garden pests, contributing to a healthier garden ecosystem.
    • Carnivorous Plants: Incorporating carnivorous plants, such as pitcher plants and Venus flytraps, can also help control mosquitoes. These fascinating plants lure, trap, and ingest insects, naturally reducing mosquito numbers.

    You can create a healthy, thriving, mosquito-free garden using these natural methods. Combining these strategies with insect-repellent plants ensures a comprehensive approach to pest control, allowing you to enjoy your garden without the nuisance of mosquitoes.

    Natural Insect Control Methods

    In addition to planting, there are other unique ways, such as volatile oils, to protect your garden from pests naturally. Some plants release airborne chemicals that deter insects.

    Additional Ways to Keep Insects Away

    • Eliminate standing water: Mosquitoes breed in stagnant water, so check for water in pots, trays, and bird baths regularly.
    • Essential oils: Derived from plants like citronella and lavender, these oils act as effective insect repellents. Apply them around your garden, or use diffusers for added protection.
    • Mosquito rings: These eco-friendly products can be placed near water features to prevent mosquito breeding.
    • Bee balm and scented geraniums: These plants emit an airborne chemical that deters mosquitoes and other pests.

    These methods enhance the pest-repelling power of your garden and reduce the need for synthetic products.

    Conclusion

    Creating a pest-free garden naturally involves combining repellent plants, companion planting, and sustainable practices. 

    To protect your garden from mosquitoes, squash bugs, and aphids, incorporate carnivorous plants like the Venus fly trap, basil and mint herbs, and marigolds and nasturtiums. Natural predators can also help maintain a pest-free garden.

    Enhancing your garden’s ecosystem by inviting beneficial insects, such as ladybugs and lacewings, further controls pests and improves pollination. Additionally, eliminate standing water and use natural oil products for extra protection.

    With careful planning and attention to detail, you can enjoy a vibrant, pest-free garden all summer long. It will provide a beautiful and functional outdoor space for relaxation and enjoyment.

    Frequently Asked Questions

    What are the best plants to deter insects naturally?

    The best plants include herbs like basil, mint, and rosemary, flowers like lavender and marigolds, and carnivorous plants like Venus fly traps. These plants repel pests with strong scents, essential oils, or physical structures.

    How do plants repel pests in a garden?

    Plants repel pests through natural scents, volatile oils, and sticky or spiky surfaces. Some, like citronella grass and lavender, emit chemicals insects find unappealing.

    Can companion planting help with pest control?

    Yes, companion planting pairs plants with complementary pest-repelling properties. For example, planting citronella grass near fruit trees or lavender near vegetable gardens can effectively deter pests.

    Which pests can be controlled using natural insect-repellent plants?

    Natural insect-repellent plants can help control mosquitoes, aphids, squash bugs, whiteflies, cabbage moths, and spider mites. Pairing the right plants with your garden’s needs ensures better pest control.

    What other steps can I take to keep insects out of my garden?

    Eliminate standing water to reduce mosquito breeding, use essential oils like citronella as a natural repellant, and naturally attract beneficial insects like ladybugs and lacewings to control pests.

    all pests control logo

    Request A FREE Pest Control Quote

    Fill in the form below or call us now on 0409 523 029

    Scroll to Top