How Carnivorous Plants Help With House Flies & Gnats | Wild Wonders Oasis
How Carnivorous Plants Help With House Flies & Gnats
House flies and other small flying insects don't need much invitation — food left out, an open door on a warm evening, a trash can that hasn't been emptied. Venus flytraps and Sarracenia pitcher plants both catch what wanders too close, one with a dramatic snap and the other with a quiet, one-way tube. Neither replaces basic sanitation, but both add a genuinely active layer of pest control most houseplants don't offer.
What Draws Flies Indoors
House flies are drawn to food odors and lay eggs in any warm, moist organic material — garbage, food scraps, pet waste. According to University of Maryland Extension, the most effective prevention is sanitation: store trash in cans with tight-fitting lids, seal gaps around doors and windows, and keep vents tightly screened. Insecticide spraying indoors is generally not recommended or effective.
How Venus Flytraps Catch Flies
A Venus flytrap's leaves are lined with trigger hairs — brush two of them in quick succession and the trap snaps shut in under a second. It's dramatic and genuinely effective on flies and gnats that land on the open trap, but each trap can only close a handful of times before it stops working and falls off, so a single plant has a limited catch rate.
How Sarracenia Catch Flies
Sarracenia pitcher plants take the opposite approach: no triggering, no waiting. Their tube-shaped leaves lure insects in with nectar, and a slippery, waxy rim means most visitors can't climb back out. Because there's no limit on how many times a pitcher can catch something, they work more like a continuously running trap.
Source: University of Maryland Extension – Flies Indoors
Our Flytrap & Pitcher Plant Picks
Venus Flytrap 'Chinese Dumpling' – The Chubby Little Bug Muncher 🥟🪰🌿
A compact, chubby-trapped flytrap that's just as effective as it is cute.
View product →
Sarracenia Maroon - tu nueva y atrevida mejor amiga
Passive pitcher traps that work around the clock without snapping shut.
View product →
Sarracenia leucophylla – La belleza sureña con instinto asesino 🏹
Tall, dramatic pitchers that make a real dent in flying pests outdoors.
View product →Which One's Right for You?
| Plant | Best for | Experience level | How it catches flies |
|---|---|---|---|
| Venus Flytrap | Flies and gnats that land directly on the trap | Beginner | Snap-trap triggered by contact with trigger hairs |
| Sarracenia (Pitcher Plant) | Continuous, passive trapping | Beginner | Slippery, nectar-lined one-way tube |
How to Get the Best Results
Light
Bright, direct light is best for Venus flytraps and Sarracenia alike
Water
Use distilled, rain, or reverse osmosis water — keep the soil consistently damp
Soil
Use the right soil — low nutrient sphagnum moss or peat moss works great. Never use fertilizer
Advanced tip
Resist triggering flytrap traps for fun — each one only closes a handful of times before it stops working
FAQ
Yes — house flies, gnats, and other small flying insects are exactly what Venus flytraps evolved to catch. Each trap can only close a handful of times before it stops working, though, so one plant won't clear out a bad fly problem on its own. Pairing a flytrap with a Sarracenia pitcher plant, which keeps trapping passively with no limit on catches, covers more ground.
We offer standard and express shipping options. Delivery times vary based on your location. You can choose this at checkout based upon your preferences.
Yes, we have a live arrival guarantee. If you have any problems please contact us within 48 hours of delivery with images of the plants so we can support diagnosis of the plant issues and advise on next steps.
Please note returns are not possible due to potential for contamination of our nursery.
Yes! Carnivorous plants have adapted to grow in low nutrient environments. Because of this it is very important that you do not use regular soil to plant your new carnivorous plants.
Instead use sphagnum moss or peat moss that has been rinsed three times with rain, RO, or distilled water. Only water with rain, RO, or distilled water.
Yes and no. Carnivorous plants do not tend to attract pet attention, but it's best to keep them away from curious noses — the sticky dew or snapping traps can irritate eyes and noses, and upset stomachs if ingested.
This is no different than most houseplants. If your pet loves to nibble, a terrarium or shelf out of reach solves it.
Venus flytraps and Sarracenia are both very approachable for beginners. On our site we provide a Grower Expertise filter you can filter plants by, plus care tips for each plant.
Absolutely! Every plant ships with a plant care guide, plus a QR code linking to more detailed care info on our site.
Looking for even more depth? We offer a collection of digital care guides you can download instantly after purchase.
Shop the Picks
Still not sure which plant is right for you?
Take our 1-minute quiz and get plant recommendations based on your space, experience, and goals!
Plant Care Guides & Digital Goodies
Beginner Friendly
Clear care tips on every listing, no green thumb required.
4.9-Star Reviews
Rated 4.9/5 from 111+ real customers.
Live Arrival Guarantee
Arrives happy or we make it right.
Family-Run Nursery
Nursery-grown and hand-packed by our team.
