Many people ask, spiders don’t like what smell, because they want a simple way to make their homes less inviting. The short answer is that strong plant oils and sharp household scents, especially peppermint, lavender, eucalyptus, clove, vinegar, citrus, and cinnamon, tend to bother spiders more than softer smells do.

Smells That Tend To Repel Spiders
Many people rely on strong odors to keep spiders away. Research and home-use guides point to a few scents that often work well as a natural spider repellent, especially when you use them in the right places and refresh them often.

Peppermint And Other Mint Oils
Peppermint oil is one of the most common answers when people ask what smells spiders dislike. The Spruce notes that peppermint and horse chestnut oils work well as natural spider repellents.
Mint oils have a strong scent that can make corners, windows, and baseboards less appealing.
White Vinegar
Many people use white vinegar’s sharp smell in cleaning sprays. Its strong odor can help as part of a broader scent-based routine.
It also fits well into regular cleaning, which matters just as much as the smell itself.
Eucalyptus, Lavender, And Clove
Eucalyptus oil, lavender, and clove all have bold scents that can help discourage spiders. Lavender also helps repel other insects spiders feed on, according to The Spruce.
Clove and eucalyptus are popular choices for people who want strong, fresh-smelling natural spider deterrents.
Citrus And Cinnamon
Citrus peels, lemon-style cleaners, and cinnamon all give off bright, strong odors that many homeowners like to use near doors and windows. Citrus is often used with other scents even though lemon oil alone is not proven as a spider repellent.
Cinnamon can add another strong layer of smell in spots where you want to keep spiders away.
How To Use Scents Effectively At Home
Scents work best when you place them where spiders travel and hide. You get better results when you use natural spider deterrents in a focused way instead of just scenting an entire room.

DIY Sprays And Cotton Ball Methods
You can make a simple spray to keep spiders away from problem areas. The Spruce recommends mixing a few drops of essential oil with water and a little dish soap, then lightly spraying around doors, windows, and dark corners.
Cotton balls soaked with oil also work well in small spaces like closets, under sinks, and behind furniture.
Where To Apply Around Entry Points And Hiding Spots
Focus on the places spiders are most likely to use. That means window frames, door gaps, basement edges, utility rooms, vents, and the quiet spots behind couches or shelves.
These areas give spiders shelter, so scent barriers can help make them move along.
How Often To Reapply For Best Results
Scent fades fast, so fresh application matters. A weekly spray is a good starting point, and you may need to reapply more often in warm or damp areas.
Cotton balls and sachets should also be replaced once the smell gets weak.
What Scent Remedies Can And Cannot Do
Smells can influence spider behavior, yet they are only one piece of the puzzle. You will usually get better results when you treat scent remedies as a support tool, not a stand-alone fix.

Why Smells May Affect Spider Behavior
Spiders avoid some strong smells because those odors can interfere with how they sense their surroundings. Studies referenced by The Spruce show that peppermint and other compounds discourage spiders from settling in treated spots.
That can make your home less attractive, even if it does not remove every spider.
Why Cleaning And Sealing Gaps Matter More Long Term
Spiders enter homes for shelter, moisture, and food. If you clean up insects, seal cracks, and reduce clutter, you remove the reasons they came inside in the first place.
Smells help more when your home is already less inviting.
When To Move Beyond Natural Options
If you keep seeing webs, egg sacs, or repeated spider activity, scent remedies may not be enough.
At that point, you may need stronger spider control steps, like better sealing or deeper cleaning.
You can also get help from a pest professional.