Seven indoor plants to improve the feng shui in your home Gafencu Advantages and Disadvantages of Hydroelectric Power Plant in 2023 Qat. Leaves of the Ethiopian Qat or Khat plant (Catha edulis). The leaves and stems of Qat are chewed for their stimulant effect. Qat is grown in Afri Stock Photo Alamy Wildflowers of the Big Bend If you've got tiny flies in your face every time you walk past your plants, you're probably dealing with fungus gnats. This post covers what they are, why they're in your soil, native plant nursery School of Forest, Fisheries, & Geomatics Sciences Institute of Food and Agricultural Sciences University of Florida, Institute of Food and Agricultural Sciences UF IFAS