Herbaceous plants - annual
Index for herbaceous noxious weeds with a single year life cycle in King County.
Annual plants have a one-year life cycle. This means they will germinate, grow, reproduce and die within one year. This includes plants who go through this cycle multiple times within a year. There are reports of shiny geranium (Geranium lucidum) going through the whole life cycle 5 times in a single year. That’s 5 chances a year to produce seeds and spread!