
10 Amazing Plants and Herbs That Naturally Repel Flies
There are many outdoor pests you may be keen to avoid, but flies can very easily become the most annoying when you're trying to enjoy your outdoor spaces, the insect you're most eager to deter. Adult flies can circle your head, buzzing endlessly, while you're trying to enjoy your garden or patio—and worse, they're prone to sneaking in the house and becoming an even bigger hassle to get rid of.
We spoke with Amber Noyes from Gardening Chores to get her recommendations on some of the best plants that flies like to avoid, and her top tips for getting the most pest-deterring power from them.
Meet the Expert
Amber Noyes is an expert horticulturist and editor at Gardening Chores. She holds a Master's degree in horticulture from the University of California and has experience working on and caring for organic farms.
01
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Basil (Ocimum basilicum)
A plant Noyes says truly "worked wonders" for her own garden is one you might already grow, or want to. Basil (Ocimum basilicum) is a very popular herb found in many kitchen gardens and adds dynamic, delicious flavor to a huge range of meals.
Noyes stresses that the aroma of basil, which most humans like and associate with a good meal, is actually highly unfavorable to some of the most common garden pests, like flies and mosquitoes. If you want to be successful at repelling flies you'll need your basil plants thriving outdoors as well as indoors.
Name: Basil (Ocimum basilicum)
USDA Hardiness Zones: perennial in 10-11
Light: Bright, 6-8 hours per day
Soil: Well-drained
02
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Lavender (Lavandula)
Another plant Noyes recommends highly is also popular with many gardeners. Lavender (Lavandula) is sought-after for its relaxing, spa-like scent and is also popular for drying or use in essential oils.
While we tend to love this beautiful flowering plant, a perennial that can live up to 20 years if given the right conditions, flies are repelled by its scent and will likely stay far away. Lavender can also deter moths and mosquitoes, so it's a multi-functional bug-repellent plant that looks and smells lovely in your garden.
Name: Lavender (Lavandula)
USDA Hardiness Zones: 5-9
Light: Full sun
Soil: Well-drained, slightly alkaline
03
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Catnip (Nepeta cataria)
This herbaceous perennial may be a favorite of housecats around the world, but it's also an option that may help you keep pesky flies out of your yard or patio. Low maintenance and fast-growing, this plant can spread quickly around your garden if left unchecked, so opt for container growing if you want to control its size.
Flower spikes appear from late spring through fall, with clusters of white and purple blooms. While the dried leaves of this plant are popular for cats, note that the oils of the fresh plant can be toxic to them. Regardless, the scents and oils of this plant can deter pests and is a great option for those seeking natural bug repellant.
Name: Catnip (Nepeta cataria)
USDA Hardiness Zones: 3-7
Light: Full sun
Soil: Well-drained, loamy, sandy
04
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Lemon Balm (Melissa officinalis)
A relative of mint with a citrusy profile, lemon balm is a lovely addition to home gardens with a bright scent that gardeners usually love—and plenty of insects avoid. Packed with the key compound citronellal, which is used in most natural insect repellants on the market, it's a natural solution for driving away flies, mosquitoes, and other unwelcome garden visitors.
Name: Lemon Balm (Melissa officinalis)
USDA Hardiness Zones: 3-7
Light: Full sun, partial shade
Soil: Well-drained
Tip
Keep in mind that lemon balm, like its close relative mint, is a rapidly growing plant that will quickly overtake your other plants, so most gardeners keep this one container-bound.
05
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Marigold (Tagetes spp.)
Another favorite recommendation of Noyes, marigolds are a popular flower known for their bright, cheerful colors and plentiful array of blooms throughout the summer. They come in a range of size and color varieties, but all include the compound pyrethrum, which is used in many insect repellants, and is what makes this plant valuable in your efforts to keep flies away.
Marigolds are a true annual, growing quickly and reaching maturity in only a couple of months, providing plenty of flowers throughout the summer before dying off when frost arrives.
Name: Marigold (Tagetes spp.)
USDA Hardiness Zones: 2-11 (annual)
Light: Full sun
Soil: Well-drained, moist
06
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Carnivorous Plants
It's possible your first thought when it comes to getting rid of flies was a Venus flytrap or other carnivorous varieties—and not for no reason. While these plants won't keep flies from entering your home or garden in the first place, a healthy carnivorous plant will kill any fly that lands on it, helping take care of some stragglers, especially those who sneak inside.
There are more carnivorous plants than just Venus flytraps, including pitcher plants, butterwort, and cobra lily. Each has unique structures that trap insects and immobilize or even consume them. Carnivorous plants are typically tropical and unlikely to survive outdoors in most of the U.S., but they can thrive indoors if given proper care and growing environment.
Name: Various carnivorous species
USDA Hardiness Zones: 3-9, depending on species
Light: Typically full sun
Soil: Usually boggy, acidic soil
07
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Rosemary (Salvia rosmarinus)
This fragrant perennial herb is an easy-to-grow and popular plant, both for kitchen gardens and as a larger, border shrub when given space to thrive outdoors. Edible needle-like leaves grow on woody stems, with flowers blooming most often in spring and summer, as well as occasionally throughout the year.
Rosemary is popular in cooking and baking, but also happens to have a scent that naturally deters pests like flies and gnats.
Name: Rosemary (Salvia rosmarinus)
USDA Hardiness Zones: 8-10
Light: Full sun
Soil: Well-drained, sandy, loamy
08
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Sage (Salvia officinalis)
Popular kitchen herbs are a theme among plants that repel flies and other garden pests. That's because oftentimes the lovely flavors and aromas of these plants, which we value highly for cooking, baking, and essential oils, are repellant to flies.
Sage is another great option—this easy-to-grow semi-shrubby perennial herb grows moderately quickly and does well both in the ground and in containers.
Name: Sage (Salvia officinalis)
USDA Hardiness Zones: 4-10
Light: Full sun
Soil: Well-drained, sandy, loamy
09
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Bay Laurel (Laurus nobilis)
Bay laurel, also known by names like bay leaf, sweet bay, or laurel tree, is a Mediterranean shrub or tree known for its leaves, which are commonly used in cooking. But this lovely plant's aroma also helps deter a host of frustrating garden pests, like flies. It's especially helpful if you plant a larger bay laurel tree, or a series of them next to each other, which will create almost a wall that pushes flies away.
Name: Bay laurel (Laurus nobilis)
USDA Hardiness Zones: 8-10
Light: Full or partial sun
Soil: Well-drained, moist
10
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Mint (Mentha spp.)
Popular and often included in home and kitchen gardens, mint is available in a wide range of varieties with different flavors and specific uses, and grows rapidly if given the right conditions. You may have heard mint described as growing like a weed, taking over any garden bed it's given access to. For this reason, many gardeners keep it in containers, preferring to be able to manage its size and grab leaves as needed in cooking, mixology, and aromatherapy.
While we may love the bright, refreshing scent of mint plants, many pesky insects like flies will steer clear of it, so it's another great aromatic to help you keep your outdoor zones fly-free.
Name: Mint (Mentha spp.)
USDA Hardiness Zones: 3-11
Light: Full or partial sun
Soil: Well-drained, moist, loamy
Why Deter Flies?
In their larvae state, many fly species will be a menace to your garden plants—prone to developing into a soil infestation and eating plants until they can no longer thrive. For both of these reasons, most gardeners and outdoors lovers are keen to keep the common pests at bay. Thankfully, doing so can be as easy as being strategic about what you plant in your own garden.
Here are the 10 best plant varieties to grow for natural fly repellent.
Additional Tips to Repel Flies
Not only is it important to include the right plants in your garden, but Noyes also suggests these tips:
Plant in strategic spots, like near your seating areas, around doorways or windows of your home, and around outdoor tables—anywhere you want flies to stay clear from
Remember that effectiveness will depend on many factors, including the health of your plants, your climate, and the seriousness of a fly infestation.
These plants will all help deter sporadic flies, but won't be able to eradicate a complete existing infestation. You'll need additional fly traps or exterminators for that.
Including several plants from this list is more likely to be effective; the more the better!
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