Indoor Lemon tree treatment for black flies
The tree has a small lemon. Little black flies about the size of fruit flies all around. What should I do? They seem to be coming from the soil or resting in the soil. They become active when I water the tree.
Certified GKH Gardening Expert
Sounds like fungus gnats. This article should help: https://www.gardeningknowhow.com/special/children/fungus-gnats.htm