Weed: A plant that is in the wrong place. Herbicide: A chemical that kills plants Pre-emergent herbicide: A chemical that keeps weed seeds from germinating (sprouting) but doesn’t hurt other stuff Post-emergent herbicide: A herbicide that kills plants after they have started to grow. Fungicide: A chemical that kills fungus Insecticide: A chemical that killsContinue reading “Gardening terms to remember”