Bamboo is the fastest growing plant in the world. Within a day they can grow up to 35 inches high.
Duckweeds are fastest growing small aquatic flowering plants that are great source of proteins. They can double their bio-mass within 2-3 days.
Acacia tree planted in Sabah, Malaysia grew 35 feet tall within 13 months, which means it can grow up to 1.5 inches in a day.
These giant trees can grow 4 to 6 feet tall within a year for around 10 years and then 2 feet per year for another 30 years.
Kudzu is a fast growing climbing perennial vine that can grow up to a foot in a day.
Unlike other plants, it is made by splicing brassica genes with eucalyptus genes. It can grow up to 16 feet in a year.