29+ Potting Soil Gnat Free Pics. Didn't used to have this problem in the mid 2000's, but now every bag i've purchased recently seems to have them. Do fungus gnats bite humans?
The adults will scatter and fly about when the host plant is disturbed, which is often the first.
Potting soils are formulated to have average plant ph needs, provide drainage and usually have basic nutrients. While potting soil on sale is not hard to come by, finding good potting soil is really where the adventure begins. Fungus gnats, also known as soil gnats, are small dark insects that look similar to fruit flies and live in the store extra potting soil in an airtight container. Didn't used to have this problem in the mid 2000's, but now every bag i've purchased recently seems to have them.
