Do Nasturtiums Repel Pests?

One of many prettiest, brightest, and easiest-to-grow workhorses of the annual backyard is the nasturtium. I at all times have further trays of seedlings round and plug them in wherever doable. 

Some radishes didn’t germinate? Change them with nasturtium. Voles sucked some eggplant seedlings down into their tunnel? Fill within the gaps with nasturtium. Cooks trying to buy edible flowers? Nasturtium! 

Everyone knows nasturtium flowers are necessary within the backyard, however do they preserve bugs away? Let’s get into the a number of makes use of of nasturtium and the way it might help you repel pests. 

Fiesta Mix Nasturtium

Fiesta Blend edible nasturtiums dazzle in peach and warm coral to rusty oranges.

Alaska Variegated Nasturtium

Single Mix Trailing Nasturtium

The Brief Reply

The quick reply is sure. Nasturtiums can repel pests like cabbage loopers, aphids, whiteflies, squash bugs, and sure beetles. They could deter mosquitoes with their spicy scent.

Nevertheless, some bugs are interested in nasturtiums. This lets you use them as a lure crop to lure them away out of your extra fascinating vegetation.

Let’s dive in so we will attempt to perceive extra.

The Lengthy Reply

A close-up of orange nasturtium flowers captivating with their vivid hues, illuminated by the sun's gentle rays. Surrounding them, lush green leaves form a lively composition, while in the blurred background, verdant trees create a tranquil setting.
With their massive, simply sown seeds, nasturtiums are a companion and decorative favourite.

Nasturtiums are a well-liked flower that gardeners and farmers plant alongside borders, in between rows, and as pops of colours alongside shrubs and tree traces. The seeds are massive and straightforward to sow. They’ve nice germination and progress charges. They don’t require a lot care, which is a big profit for a busy gardener! 

As if we didn’t love them already, their scent and taste deter sure pests, repel others, and entice beneficials. It may be just a little tough to know the place to plant nasturtium to make the most of their backyard companionship. Plant it close to the fitting crops, and it’s a match made in heaven. Plant it close to the improper crops, and also you could be preventing your determination all season. 

Why Nasturtiums Make Nice Companions

A close-up reveals the beauty of a nasturtium plant, showcasing its vivid red flowers. The petals form a captivating display, radiating warmth and intensity. Surrounding the blossoms, lush green leaves provide a contrasting backdrop, enhancing the overall visual appeal.
It’s necessary to decide on the suitable kind of nasturtium primarily based in your particular wants.

Nasturtiums not solely look and style nice, they’re multi-purpose within the backyard. They’ll: 

  • Repel pests and generally confuse them
  • Work as an efficient lure crop by drawing pests away from money crops
  • Appeal to helpful bugs that, in flip, care for the dangerous pests for you
  • Assist suppress weeds as an understory plant 
  • Fill in empty areas and assist with soil erosion

Make sure you choose the fitting kind of nasturtium to develop in your backyard wants. Select a trailing kind for those who plan to develop them in hanging baskets or alongside a fence, or a compact bush kind for borders, intercropped, or in mass. Choose colours that work in your design. 

Remember nasturtium prefers moist and low-fertilized soil so crops that want it dry might not make one of the best backyard mates.

Use Them to Appeal to the Good Bugs

Nasturtiums repel pests, however additionally they entice good bugs that may profit your backyard by offering pure pest management.

Useful Bugs

A close-up of a ladybug featuring its yellow body adorned with striking black spots. The tiny insect rests gracefully on the vibrant yellow surface of a nasturtium flower, creating a delightful composition of color and nature. The contrast between the bug's bright hues and the flower's vivid backdrop is visually stunning.
In your backyard, nasturtiums perform as an important habitat for helpful bugs.

Nasturtiums entice and function an necessary attractant for bugs you need in your backyard, like ladybugs, hoverflies, and lacewings. All of them successfully handle populations of aphids and different pests you don’t need hanging out.

For instance, an necessary pure enemy of whiteflies is the larvae of lacewings. Lacewing adults are extremely interested in nasturtiums, and the plant is a probable place they’ll lay their eggs. Plant nasturtium close to your eggplant and peppers to maintain whitefly populations in examine.

Whereas planting a bug attractant in your backyard appears counterintuitive, this stunning companion plant assists you in balancing the ecosystem in a pure method.  

Use Them as a Lure Crop

Lure crops are extra enticing and scrumptious to a pest than your different crops. They’ll lure within the bugs after which be sacrificed. Extra lure crops could be planted of their place for steady pest management. 

Nasturtium, as a strongly-scented herb, is very enticing to some widespread pests. Sow trays of nasturtiums all year long so you at all times have a continuing provide of a pure lure for pests. 


A close-up of black and green aphids as they infest the underside of a nasturtium plant leaf. The contrasting colors of the tiny pests create a visually striking scene against the backdrop of the leaf's intricate veins and vibrant green hues.
Using nasturtium as a lure crop proves profitable in deterring aphids.

Not all aphid varieties are interested in nasturtium, however for those who develop crops like lettuce, kale, cabbage, or roses, this plant will lure them away. Plant nasturtium about six toes away from the crops you need to shield. Don’t go any nearer, or they’ll merely hop again over to the great things.

Melon, inexperienced peach, and potato aphids ought to efficiently be deterred. Nasturtium will function an efficient lure crop. 


A close-up of a squash vine borer with its distinct markings standing elegantly on a vibrant green leaf. Its segmented body showcases a blend of earthy tones, while its delicate legs delicately tread upon the leaf's surface, emphasizing nature's intricate details.
To make sure the well-being of our numerous fruit crops, it’s essential to stop borers.

Conserving borers away is necessary for these of us rising varied fruits. Add nasturtiums throughout the bottom of fruit bushes to assist preserve moisture and suppress weeds. They’ll keep simply low sufficient to the bottom that any pests attracted will stay there as an alternative of leaping to the bushes. 

Flea Beetles 

A close-up of a Kuschelina flea beetle, its tiny features come to life against the vibrant green backdrop of a leaf. The beetle is positioned gracefully at the tip, its distinct markings and coloration adding to the enchanting beauty of the intricate microcosm within the frame.
Research point out that nasturtium is a more practical lure crop in spring.

Much like aphids, flea beetles love nasturtiums, so planting them 5 to 6 toes away from crops like broccoli, kale, cabbage, and lettuce will preserve or a minimum of delay them going after the money crops, flocking to the nasturtium as an alternative. 

Professional tip: Cowl newly transplanted brassicas with insect netting or row cowl within the early spring when flea beetles are most prevalent. As they mature, they’ll be extra in a position to fend off pests, and you may take away the protecting as they develop. Research present nasturtium to be a more practical lure crop, reducing harm to necessary leafy greens within the spring versus fall. 

Use Them to Repel Pests

Nasturtium can be intercropped with different crops to repel sure pests. Nasturtiums include a chemical compound that offers them their peppery aroma and taste. This serves as a non-hazardous approach to management pests by turning many bugs off. Listed here are just a few that can fly proper by in the event that they scent nasturtiums. 

Cucumber Beetles 

The Striped Cucumber Beetle, featuring bold black and yellow stripes, rests gracefully on the smooth surface of a vibrant green leaf. Its intricate coloration and compact physique make it an eye-catching insect, contributing to the diverse tapestry of the garden ecosystem.
These beetles look like considerably deterred by the peppery scent emitted by nasturtium.

These harmful beetles will go after squash, cucumbers, winter squash, pumpkins, watermelon, and extra. If populations aren’t managed, they’ll stick round all season, creating new generations. They’ll hibernate within the soil and backyard particles, rising proper across the time your summer season backyard is able to pop with their favourite host vegetation to feed on.

The excellent news is that the peppery perfume of nasturtiums repels these pests. Attempt planting a vining nasturtium selection in between rows to confuse the beetles. 

Squash Bugs

A close-up reveals a Dock Bug, showcasing its intricate exoskeleton and distinctive markings. The bug rests on a weakened, wilted leaf, its vibrant colors contrasting with the leaf's yellowish hues, creating a fascinating microcosm of nature.
Planting nasturtiums round your summer season and winter squash serves as a deterrent for squash bugs.

Companion planting nasturtiums round your summer season and winter squash will deter squash bugs from touchdown on them and laying their eggs

Cabbage Loopers 

A vibrant green Cabbage Looper caterpillar with distinctive green stripes, rests on the lush surface of a leaf. Its segmented body and prolegs are visible, showcasing the intricate details of this common garden pest.
Strategically plant nasturtium with its spicy scent in your annual vegetable backyard.

That is the arch nemesis of late summer season and fall gardens, seemingly popping out of nowhere to quickly destroy a patch of kale, collards, and another cruciferous greens you may have rising.

The spicy scent of nasturtium planted sporadically by way of your annual veggie backyard or proper alongside them will assist repel these pests.

Cabbage Worms 

A Cabbage Worm, identifiable by its pale green color, is nestled on a leaf marred with holes from its feeding. The voracious larva, with its characteristic subtle markings, exhibits the aftermath of its destructive munching.
These worms have the flexibility to devour whole leaves out of your vegetation.

Cabbage worms can devour whole leaves off your vegetation in a single day and transfer on to the subsequent. In the event you’re not cautious, you possibly can lose all of your leafy greens.

Professional tip: Choose purple kales as the brilliant inexperienced worms stand out clearly on the leaves, making them simpler to identify and destroy.

Nasturtiums repel grownup cabbage worms. As soon as nasturtium vegetation are mature, they bounce again pretty rapidly from harm from any larvae who do discover their method onto the vegetation. 

Mexican Bean Beetle 

A Mexican Bean Beetle, with its distinct orange and black markings, is seen infesting a lush green leaf. The leaf's surface is finely textured, providing a habitat for the beetle's activity. In the blurred background, a verdant expanse of greenery adds to the natural context.
Trailing nasturtium varieties could be grown in between the bean vines.

Interplanting compact nasturtium varieties on the base of pole beans or trailing varieties to develop up and in between bean vines might assist repel Mexican bean beetle pests.


A close-up of a mosquito reveals its delicate wings and slender body. Resting on the vibrant green surface of a leaf, it showcases intricate patterns, highlighting nature's small yet fascinating creations.
Nasturtiums emit a potent scent believed to each bewilder and deter mosquitoes.

The sturdy aroma postpone by nasturtiums is thought to confuse and repel mosquitoes. Plant nasturtium in pots and place them round any outside seating space for a extra nice, bite-free setting. 

Colorado Potato Beetles 

A vibrant Colorado potato beetle, showcasing its distinctive orange and black striped exoskeleton. The beetle rests gracefully on a lush green leaf, its intricate patterns standing out against the verdant backdrop of the plant's foliage.
The spicy scent of nasturtiums seems to perplex the Colorado Potato Beetle.

The Colorado Potato Beetle (CPB) appears to be confused by nasturtiums. The spicy perfume of the nasturtiums throws off their sense of scent, taking away their skill to successfully discover the vegetation they need to feed on, in order that they merely fly away.

Although potatoes are their host of alternative, they can be discovered feeding on tomatoes, eggplant, and varied weeds. Verify the undersides of solanaceous crops for his or her eggs. 

Plant Nasturtiums Close to, However Away From These Crops 

Lush green plants, bathed in the warm sunlight, thrive in a garden, their leaves radiating a vibrant energy. Rooted in nutrient-rich brown soil, they stand as a testament to the beauty of nature's growth and vitality.
Companion planting is a scientifically supported gardening technique with confirmed benefits.

Companion planting isn’t only a fad. It’s a scientifically backed gardening hack with confirmed advantages! The next crops profit from having nasturtium planted close by however not proper subsequent to them:

  • Beans: to repel the Mexican bean beetle 
  • Massive brassicas like cabbage/Brussels sprouts: Plant nasturtium on the base to assist them retain moisture. 
  • Pumpkins: to extend pollination and deter squash bugs and cucumber beetles. 
  • Peppers and tomatoes: Might deter the tomato and tobacco hornworm from laying eggs on them.
  • Apple and different fruit bushes: to maintain borer stress down 
  • Parsley and chives: make good basic companions when grown in pots. Attracts pollinators.
  • Cucurbits: Area vegetation out sufficient to keep away from intense useful resource competitors so the aphids and flea beetles which can be drawn in don’t instantly jump over to your cucumbers. This will work particularly effectively on trellised cucumbers and squash. 

Don’t Plant Nasturtiums Close to These Crops 

A thriving zucchini plant reveals vibrant green leaves and stems, showcasing the plant's robust growth. Delicate yellow flowers adorn the plant, promising the future harvest of fresh zucchinis. Sturdy branches extend gracefully, providing support for the burgeoning vegetables in the rich brown soil.
When planning your backyard, it’s necessary to think about that not all backyard counterparts get alongside.

Not all people get together with each other, so we will solely count on the identical of our backyard counterparts. Listed here are a few of these crops to remember when planning your backyard

  • Leafy greens and smaller brassicas require the identical vitamins as nasturtium, in order that they’ll continually be competing for assets. 
  • Rosemary and sage want the soil to be drier, so nasturtiums gained’t do effectively close to them. 
  • Zucchini, summer season squash, and cucumbers additionally want the soil to be on the drier aspect. Since nasturtiums entice cucumber beetles, attempt planting a row of them close to your squash and cucumbers or inserting them in develop luggage on the corners of your backyard plot at a secure distance. 

Key Takeaways

  • Nasturtiums are multi-purpose.
  • When utilizing them as a lure crop, plant them a distance away. In any other case, they are going to be ineffective in deterring the pests.
  • Remember soil, water, and solar necessities and plant nasturtium with like-minded crops.
  • Choose the fitting nasturtium in your backyard wants.

Closing Ideas 

Nasturtiums, merely put, are a stunning and low-maintenance backyard workhorse. Their peppery perfume is thought each to draw and deter sure pests and, when used correctly, might help steadiness your yard ecosystem. 

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