9 Best gnat killer spray for indoor plants

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Last Updated: 11-26-2025

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Mighty Mint 32 oz Peppermint Plant Protection Spray - for Spider Mites, Insects, Gnats, Fungus, and Disease with Microfiber Cloth

Mighty Mint

9.8

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Mighty Mint Peppermint Plant Protection Spray for Insects, Gnats, Fungus, Mites, and Disease, 16 oz

Mighty Mint

9.6

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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)

Kate's Home & Garden

9.5

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Eco Defense Gnat Spray for Indoor Plants – Fungus Gnat Killer & Houseplant Insect Control – Plant-Based Bug Spray for Houseplants & Indoor Gardening

Eco Defense

9.2

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Neem Oil Spray for Plants with Peppermint Oil, Natural Plant Wash Made for Indoor and Outdoor Plants Smart Grower 16oz Easy Ready to Use Spray

Smart Grower

9.1

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

KATE'S GARDEN

8.8

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EcoVenger by EcoRaider All Purpose Insect Control 16 oz, Fleas, Fruit Flies, Gnats, Moths, Roaches, Spiders, Fast Kill, Lasting Prevention, Kill Eggs, Plant Extract Based & Non-Toxic, Child & Pet Safe

EcoVenger

8.6

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

BioAdvanced

8.4

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STEM Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)

STEM

8.2

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Mighty Mint 32 oz Peppermint Plant Protection Spray - for Spider Mites, Insects, Gnats, Fungus, and Disease with Microfiber Cloth

Mighty Mint Peppermint Plant Protection Spray for Insects, Gnats, Fungus, Mites, and Disease, 16 oz

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)

Eco Defense Gnat Spray for Indoor Plants – Fungus Gnat Killer & Houseplant Insect Control – Plant-Based Bug Spray for Houseplants & Indoor Gardening

Neem Oil Spray for Plants with Peppermint Oil, Natural Plant Wash Made for Indoor and Outdoor Plants Smart Grower 16oz Easy Ready to Use Spray

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

EcoVenger by EcoRaider All Purpose Insect Control 16 oz, Fleas, Fruit Flies, Gnats, Moths, Roaches, Spiders, Fast Kill, Lasting Prevention, Kill Eggs, Plant Extract Based & Non-Toxic, Child & Pet Safe

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

STEM Kills Flies, Mosquitoes And Gnats: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 10 fl oz (Pack Of 1)

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