An annual plant only lives one season.
A biennial plant has a life cycle of 2 years producing only green growth the first year and usually flowers and seeds the second year.
A perennial plant has a life cycle of more than 2 years and produces flowers and seeds from the same root-structure year after year.
A deciduous plant sheds leaves yearly.
An evergreen plant has leaves that are green all year.
A herbaceous plant stem withers away to the ground after each season’s growth.
A woody plant stem consists of wood.