Gardeners Supply Company has a nifty article on what those words used to describe plants actually mean. Author Suzanne de John says, “Choosing plant varieties can be challenging; however, understanding certain horticulture terms can go a long way to helping you choose just the right plants for your needs. You may have seen terms like F1 hybrid or cultivar and wondered just what they mean — and, more importantly, why it matters. Here’s a rundown of some common terms.