Cucumber Variety Guide: Choose the Best for Your Garden Jardineries Botanix 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, 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