Web31 jan. 2024 · I sometimes use Bonide Systemic Houseplant Insecticide and it is very effective to kill fungus gnat larvae. You simply apply it to the potting mix as directed on the label and water it in. The insecticide is then absorbed all throughout the plant. Not only does it kill fungus gnat larvae, but it will also help to protect against many other pests. Web25 jan. 2024 · Simply mix the nematodes in water and apply to your pots with a watering can, pump sprayer, or syringe. Nematode application rates depend on surface area. For example, five million nematodes (the smallest package size Arbico Organics carries) is enough to treat 1,600 square feet of soil or soiless medium.
How do you get rid of fungus gnats in living soil?
WebPotting media formulated for houseplants is the best choice for indoor plants and may help avoid large numbers of fungus gnats. Adult fungus gnats do not damage plants but … WebPotato slices – Controls larvae. Slice raw potatoes into 1-inch by 1-inch by 1/4-inch pieces. Place the slices next to each other on the surface of your potting media to attract fungus gnat larvae. Leave the potato slices in place for at least 4 hours before looking under them. (Be prepared to be grossed out a bit.) chile weather in june
How To Get Rid of Gnats for Good - This Old House
Web3 mei 2024 · One of the ways to get rid of the fungus gnats in larvae stage is hydrogen peroxide. But beware it can harm the roots if used to much. Make sure you dry out the soil, then mix 1 part hydrogen peroxide to 4 parts water and then water your infected cannabis plants. If it starts to foam, it is killing the larvae. Web19 mei 2024 · Generally a concentration of one tablespoon dish soap in a quart of water is strong enough to deter fungus gnats without bothering your plant. Soap and water … Web30 mrt. 2024 · How Use Rubbing Alcohol to Get Rid of Gnats Step 1 Mix one cup of rubbing alcohol with one quart of water. Video of the Day Step 2 Stir the mixture well and add it to a plastic hand spray bottle. Step 3 Coat your plants' leaves with the spray. Approach the plant slowly so as not to disturb the gnats. chile weather december