by Tamara Galbraith
During the winter months, when more plants are indoors, gardeners need to be on the lookout for a couple of tough pests that, once settled in, can be hard to control.
Fungus gnats, the near-microscopic flying insects that feed and breed within damp organic matter in potting soil, can actually be a problem any time of year. These tiny flying pests can spread pathogens, chew on roots and be a general...