I have a container lemon tree that has very small gnat-like, fruit fly-like insects in the soil, not on foliage. What type of insecticide is safe to use to kill these pests? Tree is bearing fruit we plan to eat, so don't want to contaminate it. Thanks.
Container Lemon Tree Pests
Certified GKH Gardening Expert
It sounds like you have fungus gnats. This article will help: https://www.gardeningknowhow.com/special/children/fungus-gnats.htm Neem oil will help take care of these pests but will not hurt the plants. Here is more information: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm