Spiders are an essential part of the ecosystem – they eat harmful insects and keep your home relatively pest-free.
But for many, the sight of a spider crawling across the ceiling or lurking in a corner can be an unwelcome surprise.
Instead of turning to harsh chemicals and sprays, a more natural, effective, and aesthetically pleasing solution is to incorporate spider-repelling plants into your indoor garden.
Certain plants naturally deter spiders due to their strong scents, volatile oils, or pest-repellent properties.
In this guide, we’ll explore the top 6 indoor plants that repel spiders, backed by botanical insight and care tips, so you can keep your home both beautiful and bug-free.
Why Use Plants to Repel Spiders?
Using plants to keep spiders at bay is a method rooted in both science and traditional wisdom.
Here’s why it works:
- Essential oils in certain plants (like peppermint and lavender) contain compounds such as limonene, linalool, and menthol that spiders detest.
- Some plants repel the insects spiders feed on, thus discouraging spiders from hanging around.
- Indoor spider-repelling plants are non-toxic, chemical-free, and add beauty, oxygen, and freshness to your living space.
Now let’s look at the most effective indoor plants that spiders absolutely hate.
1. Peppermint (Mentha piperita)
Why Peppermint Works
Peppermint is among the most powerful spider-repelling plants due to its high menthol content, which overwhelms the spider’s sensitive smell receptors.
Even a few crushed leaves can release enough scent to keep spiders away.
How to Use It
- Grow it in small pots near doorways, windowsills, or any suspected spider entry points.
- Crush a few leaves occasionally to release more essential oils.
- You can also make a natural spider spray using peppermint leaves steeped in water or diluted peppermint essential oil.
Care Tips
- Light: Bright, indirect sunlight.
- Water: Keep soil evenly moist.
- Container: Needs good drainage to avoid root rot.
Peppermint grows quickly indoors, so regular trimming keeps it bushy and productive.
2. Lavender (Lavandula angustifolia)
Why Lavender Works
Lavender’s soft purple blooms and calming fragrance are delightful to humans – but repulsive to spiders.
The linalool and camphor compounds found in lavender oil are natural spider deterrents.
How to Use It
- Place potted lavender near light-filled areas such as kitchen counters, bathrooms, and sunny windows.
- Dried lavender bundles can also be hung in closets and corners where spiders often hide.
Care Tips
- Light: Needs full sun or bright grow lights.
- Water: Allow the top inch of soil to dry out before watering.
- Container: Use sandy, well-drained soil.
Lavender doubles as a stress-relieving herb, making it a perfect addition to bedrooms or meditation spaces.
3. Lemongrass (Cymbopogon citratus)
Why Lemongrass Works
Lemongrass contains citral and geraniol, natural oils that repel spiders and many other pests, including mosquitoes and ants. These compounds interfere with the spider’s ability to hunt and detect prey.
How to Use It
- Grow lemongrass in medium-sized pots near entrances or in sunrooms.
- Trim back the grassy tops regularly to stimulate fresh oil production.
- Use the trimmed leaves to make spider-repelling sprays or potpourri.
Care Tips
- Light: Loves 6–8 hours of sunlight a day.
- Water: Prefers moist but not soggy soil.
- Temperature: Does best in warmer, more humid indoor environments.
Lemongrass also adds an elegant, tropical vibe to your space and can be used in cooking or teas.
4. Basil (Ocimum basilicum)
Why Basil Works
Basil is rich in eugenol, a volatile oil that deters spiders, houseflies, and even roaches. The smell is invigorating for humans but a natural repellent for pests.
How to Use It
- Keep pots of basil on your kitchen window ledge or anywhere you’ve spotted spider webs.
- Rub a few leaves between your fingers to enhance the scent in the room.
- Use dried basil in sachets near corners or cracks in the wall.
Care Tips
- Light: At least 6 hours of sunlight daily.
- Water: Consistent watering – keep the soil moist but not wet.
- Harvest: Regular pinching back encourages fuller growth and stronger aroma.
Basil is not only a pest deterrent but also a kitchen staple, making it perfect for indoor herb gardens.
5. Eucalyptus (Eucalyptus globulus or Eucalyptus citriodora)
Why Eucalyptus Works
The sharp, clean aroma of eucalyptus is derived from eucalyptol, a terpene compound spiders cannot stand. Its scent lingers in the air and repels pests naturally.
How to Use It
- Keep a small potted eucalyptus plant indoors or place branches in a decorative vase.
- Hang dried eucalyptus near vents, closets, or basements.
- Use eucalyptus essential oil in diffusers to cover more space.
Care Tips
- Light: Bright light with some direct sun.
- Water: Water deeply but infrequently; let the soil dry between waterings.
- Humidity: Prefers moderate to dry air.
Eucalyptus also purifies the air and is used in aromatherapy for respiratory relief and stress reduction.
6. Rosemary (Salvia rosmarinus)
Why Rosemary Works
Rosemary has strong aromatic oils such as camphor and cineole, which make it effective not just against spiders but also other household pests like silverfish and moths.
How to Use It
- Grow in a pot near sunny windows, kitchen counters, or any spider-prone corners.
- Regularly snip leaves to release its scent into the air.
- Dry rosemary and tuck bundles into closets or bathroom cabinets.
Care Tips
- Light: Requires at least 6–8 hours of sunlight per day.
- Water: Let soil dry slightly between waterings.
- Airflow: Needs good circulation to prevent mildew indoors.
Rosemary’s natural oils also have anti-bacterial and anti-fungal properties, adding extra health benefits beyond spider control.
Bonus Tip: Pair Plants with Other Natural Spider Deterrents
While these plants are highly effective, you can supercharge their spider-repelling power by combining them with other methods:
- Essential Oil Sprays: Dilute peppermint, eucalyptus, or lavender essential oil in water with a dash of dish soap and spray window sills, baseboards, and corners.
- Keep the Space Clean: Spiders love clutter. Regular vacuuming, dusting, and sealing cracks will reduce hiding places.
- Use Citrus Peels: Rubbing lemon or orange peel on windows and door frames enhances the repellent effect.
Together with your indoor plants, these small tricks create an environment that’s naturally unwelcoming to spiders – without harming your health or the ecosystem.
Where to Place Spider-Repelling Plants in Your Home
For maximum effectiveness, location is key.
Here’s where you should place your spider-repelling plants:
- Window sills and balconies – Primary entry points for spiders
- Kitchen corners – A popular hideout due to food crumbs and moisture
- Bathroom shelves – Spiders love dark, humid environments
- Basements or garages – Cool, undisturbed areas where spiders tend to nest
- Bookshelves and high ledges – Places you rarely clean, perfect for cobwebs
Rotate the pots every few weeks to refresh the scent throughout your space.
With just a handful of well-chosen plants, you can naturally protect your home from spiders while boosting its beauty, fragrance, and serenity.
Whether you prefer the herbal scent of rosemary, the sharp freshness of peppermint, or the soothing aroma of lavender, these plants work double-duty as both décor and pest control.