Life Cycle Life Cycle A plant's life cycle describes how long a plant lives or how long it takes to grow, flower, and set seed.
Plants can be either an annual , perennial , or biennial .
Annual A plant that completes its life cycle in one growing season. It will grow, flower, set seed, and die. Perennial A plant that lives for 3 or more years. It can grow, flower, and set seed for many years. Biennial A plant that needs two growing seasons to complete its life cycle.