10 Best House Plant Bug Killer of 2025

Tested and Reviewed: Top 10 House Plant Bug Killer deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

BioAdvanced

BioAdvanced Houseplant Insect & Mite Control, Ready-to-Use Fungul Disease & Fungus Gnats Killer, 24 oz

Editor's bottom line:

“This house plant bug killer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

KILLS BY CONTACT: Fungus gnat killer for listed insects, such as Aphids, Whiteflies, Lace Bugs and more
USE INDOORS & OUTDOORS: Use the gnat spray to protect houseplants indoors and outdoors. It is also may be used on flowers and herbs
KILLS MITES: Effective mite killer, including Spider Mites. Thoroughly spray all areas of the plant, especially new shoots and underside of leaves. Pests need to be contacted by the spray to be controlled
CONTROLS DISEASES: Protects your houseplants with this indoor plant spray from a wide range of listed diseases such as Powdery Mildew, Leaf Spot, Rust and more

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Picked by 397 people today

9.5

BioAdvanced

BioAdvanced Organics Brand Insect Killer for Houseplants, Ready-to-Use, 24 oz

Main Highlights

INSECT SPRAY: BioAdvanced Organics Brand Houseplant Insect Killer protects plants and is suitable for use as houseplant insect control
OMRI-LISTED: Formula may be used for organic gardening
KILLS INSECTS FAST: This insect spray provides quick control in minutes, managing insects like Aphids, Mealybugs, Scale Insects, Whiteflies, Spider Mites, and other listed insects
FUNGICIDE: This spray controls powdery mildew on houseplants, flowers, shrubs, and trees
USE INDOORS & OUTDOORS: Use as an aphid spray for outdoor plants or indoor plants to protect houseplants, trees, flowers, and shrubs indoors and outdoors

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9.5

Bonide

Bonide Insecticidal Soap, 32 oz Ready-to-Use Spray Multi-Purpose Insect Control for Organic Gardening Indoor and Outdoor

Main Highlights

Captain Jack's Insecticidal Super Soap controls species of adelgid, ant, aphid, borer, caterpillar, spider mite, cricket, chinch bug, weevil, fly, thrip, and more
Designed for outdoor residential use in home gardens, lawns, ornamentals, and greenhouses; use on artichoke, cabbage, onions, berries, basil, lavender, mint, sage, pistachios, almonds, apples, plums, cilantro, lawns, turf and more
Product kills through direct contact and ingestion; spray insects, such as aphids, directly or allow leaf feeding insects, such as worms and caterpillars, to eat the leaf surface to die
Approved for organic gardening, Captain Jack's Insecticidal Super Soap is suitable for all of your organic gardening needs
Product is conveniently ready-to-use when it arrives at your home, the spray nozzle makes this product easy to deploy; for full use instructions, please see product label

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9.2

Kate's Home & Garden

Kate's Home & Garden Plant Spray for Insects & Getting Rid of Gnats with 12 Sticky Traps. Fungus Gnat Killer & Bug Spray for Indoor Plants (16oz, Peppermint, Pet Safe, Non Toxic)

Main Highlights

GNAT CONTROL FOR INDOOR PLANTS: This bundle includes our natural plant bug spray and 12 gnat sticky traps for plants; this powerful gnat spray for indoor plants kills fungus gnats, spider mites, and fruit flies; use it with our sticky traps for enhanced pest control, ensuring thorough coverage and effective elimination of bugs and pests in your home and garden; it's the perfect solution for getting rid of fruit fly and fungus gnats (please contact us if the traps are missing and we will send a replacement)
GNAT SPRAY FOR INDOOR PLANTS: This gnat spray is effective for getting rid of gnats in plants; ideal use as an outdoor or indoor plant bug spray for insects to control and eliminate pests (please contact us if the traps are missing and we will send a replacement)
FUNGUS GNAT KILLER INDOOR: Made with natural ingredients in the USA; our indoor insect & pest control spray for killing gnats contains peppermint and rosemary oil, a natural and safe solution that works just as well as neem oil spray for houseplant insect control, indoor plants and outdoor gardens
NON-TOXIC PLANT GNAT TREATMENT: This peppermint oil spray for bugs is safe for use around children and pets when used as directed; it effectively repels flying pests, small mites, and get rid of gnat infestation, keeping your plants and home pest-free
EASY TO USE PLANT BUG SPRAY: Shake the plant spray bottle well before use; test spray on 1-2 leaves and wait 6 hours before spraying the entire plant, avoiding new leaf growth; apply liberally on soil to target pests, eggs, and larvae; for best results, use this gnat killer for indoor plants & outdoor gardens once a week or as needed; this 16oz peppermint spray for plant insects has up to 1,500 sprays; if the sprayer is broken or if the traps are missing, please contact us for a replacement

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Best Value

9.0

Save 40%

Mosqueda

Fruit Fly Traps Fungus Gnat Traps Yellow Sticky Bug Traps 36 Pack No Harm and Odorless for Indoor Outdoor Use Protect The Plant

40% Off

Main Highlights

Yellow Sticky Traps -- Bright yellow color attract flying insects, and high quality glue keeps them from escaping. Specially designed for flying plant pests. Great for outdoor or indoor plant, especially potted plants.
Safe and Non-toxic -- Gnat killer traps use bright colors and glue to catch pests, odorless and harmful drugs, no harm to people and pets.
Easy to Use -- Easy to peel it and insert it in the plant pot or the fruit without sticky hands. Suitable for a houseplant, a home kitchen, or a garden.
Long Lasting -- Yellow sticky fruit fly traps with a upgraded strong adhesive so they are UV resistant and waterproof. Not need to replace them until fully covered with bugs.
Package Included -- Pack of 36 pcs. 18 Butterflies Shape and 18 Tree Shape. The shape of butterflies and trees is small and convenient for small potted plants.

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8.8

Garden Safe

Garden Safe Brand Insecticidal Soap Insect Killer, 32 Fluid Ounces, For Organic Gardening, Kills Bugs Through Contact

Main Highlights

READY-TO-USE CONTACT SPRAY: No mixing required. Thoroughly spray insecticide on all plant parts, including the underside of leaves. Pests must be sprayed directly to achieve control
FOR ORGANIC GARDENING: This product can be used indoors, outdoors and in greenhouses on vegetables, fruit trees, ornamentals, shrubs, flowers and gardens
USE UP TO DAY OF HARVEST: This product may be applied to edibles up to and including the day of harvest
KILLS BUGS THROUGH CONTACT: Controls aphids, mealybugs, mites, leafhoppers, psyllids, scale insects, thrips, whiteflies and other listed pests.
CONTAINS FATTY ACID SALTS: The formula contains specifically selected soaps (fatty acid salts)

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8.6

Mighty Mint

Mighty Mint Peppermint Oil Plant Protection Spray – Insect & Pest Control for Gnats, Spider Mites & Aphids – Plant-Based, Easy-to-Use - 16 oz

Main Highlights

Plant-Based Pest Protection: Helps protect plants from common pests including gnats, spider mites, aphids, fungus issues, and other plant-damaging insects using plant-based ingredients.
Peppermint Oil Formula: Made with peppermint oil to help deter pests and support healthier plants without harsh chemical treatments.
Safe When Used as Directed: Designed to be safe for use around people and pets when applied according to directions.
Easy Spray Application: Ready-to-use spray provides quick, even coverage with minimal mess and easy cleanup.
Indoor & Outdoor Plant Use: Suitable for houseplants, gardens, greenhouses, and outdoor plants to help maintain healthy plant growth.

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8.3

KATE'S GARDEN

Kate's Garden Plant Spray for Insects & Getting Rid of Gnats. Fungus Gnat Killer & Bug Spray for Indoor Plants (16oz, Pet Safe, Non Toxic)

Main Highlights

GNAT CONTROL FOR INDOOR PLANTS: Our powerful gnat spray for indoor plants kills fungus gnats, spider mites, and fruit flies; it's the perfect solution for getting rid of fruit fly and fungus gnats
FUNGUS GNAT SPRAY FOR INDOOR PLANTS: This gnat spray is effective for getting rid of gnats in plants; ideal use as an outdoor or indoor plant bug spray for insects to control and eliminate pests
GNAT KILLER INDOOR: Made with natural ingredients in the USA; our spray contains peppermint and rosemary oil, a natural and safe solution that works just as well as neem oil spray for houseplant insect control, indoor plants and outdoor gardens
NON-TOXIC PLANT GNAT TREATMENT: This peppermint oil spray for bugs is safe for use around children and pets when used as directed; it effectively repels flying pests, small mites, and get rid of gnat infestation, keeping your plants and home pest-free
EASY TO USE PLANT BUG SPRAY: Shake the plant spray bottle well before use; test spray on 1-2 leaves and wait 2 hours before spraying the entire plant, avoiding new leaf growth; apply liberally on soil to target pests, eggs, and larvae; for best results, use this gnat killer for indoor plants & outdoor gardens once a week or as needed; this 16oz peppermint spray for plant insects has up to 1,500 sprays; if the sprayer is broken, please contact us for a replacement

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8.1

Cleanuper

58 Pack Flying Insect Traps for Plants – Yellow Sticky Traps for Fungus Gnats, Flies & Flying Bugs, Indoor Outdoor Flying Bug Catcher for Pots, Garden & Kitchen, Non-Toxic, Odorless, Kid & Pet Safe

Main Highlights

Effective Insect Control: Bright yellow sticky traps use top-grade glue to catch gnats, whiteflies, aphids, midges, fruit flies, and other small flying insects at a high capture rate.
Indoor & Outdoor Plant Protection: Helps protect plants from insects and reduces flies around homes, gardens, patios, greenhouses, and windowsills with long-lasting effect. Keep Your plants safe and pest-free, wherever they are.
Safe & Odorless: Made with non-toxic materials, safe for children, pets, and plants, with no chemical smells or odors.
Double-Sided & Easy to Use: Sticky on both sides for maximum capture from all angles; simply peel off the film and insert into soil or hang using the included wire.
Weather-Resistant: Waterproof and UV-resistant design ensures reliable performance in various indoor and outdoor conditions.
Décor-Friendly: Includes flower and butterfly shapes that blend naturally into plant décor without distracting from your space.
Tip: When to Use? 1. Getting new plants. 2. Changing potting soils. 3. Moving outdoor plants inside. 4. Prevent indoor pests as usual
Great Value & Support: Includes 58 high-quality traps (29 flower + 29 butterfly) for economical pest control, backed by 24/7 U.S. customer service and satisfaction guarantee with return or refund available.

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Our Best Overall Choice

Best Choice

9.7

BioAdvanced

BioAdvanced Houseplant Insect & Mite Control, Ready-to-Use Fungul Disease & Fungus Gnats Killer, 24 oz

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

KILLS BY CONTACT: Fungus gnat killer for listed insects, such as Aphids, Whiteflies, Lace Bugs and more
USE INDOORS & OUTDOORS: Use the gnat spray to protect houseplants indoors and outdoors. It is also may be used on flowers and herbs
KILLS MITES: Effective mite killer, including Spider Mites. Thoroughly spray all areas of the plant, especially new shoots and underside of leaves. Pests need to be contacted by the spray to be controlled
CONTROLS DISEASES: Protects your houseplants with this indoor plant spray from a wide range of listed diseases such as Powdery Mildew, Leaf Spot, Rust and more

Show Price

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