As a vegetable gardener, you care about seeds. You buy them, plant them, nurture them and curse when, 36 hours after hard-fought gemination, the goddamn slugs eat all the sprouts emerging from them. To understand the difference between Open Pollinated (OP) and Hybrid (F1) seeds, you have to understand that what distinguishes these types of seeds is the type of plant sex partners their parent plants were allowed to have.