Garden Bed Is Just Crawling With Gnats. How Can I Get Rid Of Them?

Question

This is in a new raised bed with new soil and mulch.

Answer 1

You will need to get rid of the fungus that they are eating. Once this is gone, they have no food source. Proper watering can also keep them at bay, while they are around.

Your soil is heavily infected with something.

Here are some articles that will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

https://www.gardeningknowhow.com/special/organic/biofungicide-information.htm

https://www.gardeningknowhow.com/plant-problems/pests/insects/fungus-gnats.htm