This post may contain affiliate links.

Gnats are far more than a minor nuisance; their relentless buzzing is hard to ignore. These tiny pests often focus on houseplants, lingering around and disturbing their well-being. For plant lovers, this can be incredibly frustrating.

Fortunately, there is a solution in sight. Here are ten effective methods to keep gnats away from your houseplants.

Do Not Overwater

Young woman taking care of her Zamioculcas plant at home.
Image Credit: Deposit Photos

Be mindful of your watering habits. Overwatering is a big welcome sign for gnats, creating an ideal breeding ground for them. Ensure you’re watering your plants as needed.

If you’re unsure when to water, a simple touch test by inserting your finger into the soil can guide you. Also, ensure your pots have adequate drainage to prevent water from pooling.

Use Quality Soil 

Dieffenbachia plant in soil with gardening stylish tools, ground ,drainage and clay pots on wooden floor. Preparing for repotting dumbcane into new modern pot. Repotting plant concept.
Image Credit: Deposit Photos

To keep gnats away from your houseplants, start by using high-quality, well-draining soil. Contaminated or poor-quality soil is a common way gnats are introduced to your indoor garden.

How to Test your Garden Soil: A Comprehensive Guide

Allow the Soil to Dry

Mold growth on soil in houseplant flower pot
Image Credit: Deposit Photos

Allow the top layer of your plant’s soil to dry out between waterings. Gnats flourish in wet conditions, so letting the soil dry can prevent their larvae from thriving.

Layer the Soil with Sand or Gravel 

Planting Plants Cactuses Soil Stones On A Wooden Table gravel
Image Credit: Deposit Photos

Consider topping your soil with sand or gravel. This improves drainage and discourages gnats from laying eggs by creating a barrier they can’t easily penetrate.

Proper Pot Drainage 

Stylish wooden shelves with modern green plants and white watering can.  Cactus, Dieffenbachia, Dracaena, Sansevieria flower pots on shelf. Stylish hipster room decor.
Image Credit: Deposit Photos

Poor drainage can contribute to gnat infestations, as water can accumulate in the bottom of the pot, creating a moist environment for the insects. Choose pots that have drainage holes for optimal soil drainage.

Remove Dead Leaves 

Potted houseplant with damaged leaves indoors, closeup
Image Credit: Deposit Photos

Keep the plant area tidy by promptly removing dead or decaying leaves. Gnats are drawn to decomposing organic matter, and a clean soil surface is less inviting for them.

Hydrogen Peroxide Solution

spraying the plant.
Image Credit: Deposit Photos

A hydrogen peroxide solution can be a safe bet for tackling gnat larvae directly. Mix one part 3% hydrogen peroxide with four parts water and use it to water your plants.

Essential Oil Spray

SPA natural organic cosmetics on beige background. Flat lay composition with amber glass pump bottle, sprayer, moisturizer cream jar, eucalyptus leaf. Top view.
Image Credit: Depoist Photos

An essential oil spray can be effective as a natural repellent. Mix water with a few drops of peppermint, eucalyptus, or tea tree oil, and spritz lightly on the soil and foliage.

Use Sticky Traps

Using stick tape to catch fungus gnats infesting a plant. yellow
Image Credit: Deposit Photos

Yellow sticky traps are great for catching adult gnats. Their attraction to the color means many will get trapped before they can lay more eggs. These sticky traps are the best.

Neem Oil

An elegant green pot plant as room decoration against white wall. Spider plant or Chlorophytum comosum
Image Credit: Deposit Photos

Applying neem oil to the soil acts as a natural insecticide, targeting gnat larvae without harming your plant.


cinnamon on houseplant
Image Credit: Deposit Photos

A sprinkle of cinnamon on the soil can serve dual purposes: it has antifungal properties that help prevent fungus gnats and adds a pleasant scent to your plant area.

Use Coffee Grounds

coffee grounds in spoon 2
Image Credit: The Thrifty Apartment

For coffee-loving houseplants, you can use coffee grounds to keep gnats at bay. When you’re in the process of repotting your houseplant, consider incorporating a modest quantity of used coffee grounds into your potting soil.

The strong smell of coffee grounds is considered unattractive to gnats and other pests, acting as a natural repellent.

How to Use Coffee Grounds on Houseplants

coffee grounds
Image Credit: Deposit Photos

If you’ve been in the habit of simply disposing of your coffee grounds each morning, you should rethink your approach. Coffee grounds offer an eco-friendly alternative for enhancing your plant’s soil quality and promoting growth. Coffee grounds have nutrients that plants like, so they can improve your soil and act as a natural fertilizer. Here’s how.

How to Use Coffee Grounds on Houseplants

15 Incredible Ways to Repurpose Used Coffee Grounds

coffee grounds in spoon
Image Credit: The Thrifty Apartment

Most people toss out used coffee grounds after making their morning cup of coffee, but what you might not know is that these grounds can actually be useful in many ways. You can repurpose them to do things like composting or cleaning, which can help reduce waste in your home. Here’s how.

14 Incredible Ways to Repurpose Used Coffee Grounds

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *