Biennial plants. Plants which complete their life cycle in more or less than two years. vegetative growth occurs in the first spring or summer, and then it is continued with the formation of generative reproduction system (flower and seed) in the second spring or summer. For examples, sugar beet and carrot.
|Giant sequonia tree is perennial plant which approximatly 2.500 years old|
perennial plants. Plants which complete their life cycle for several years. For examples, woody plant, bush, and some grasses.