10. Duckweed

Duckweed is a small flowering plant that has the ability to grow fast. It grows several inches every 30 hours, and undergoes an entire life cycle quickly. Duckweed also reproduces with maximum efficiency, and creates four earth-sized masses in just four months.
Fastest Growing Plants in the World
9. Giant Sequoia

Giant Sequoia trees are best known for having mammoth sizes. They grow very fast, and can reach the height of over 6 feet. It just takes them 6-8 years to grow this much high. These trees also multiply and their wood is a lot precious. The trees grow both outward and upward with speed higher than any other tree species.
Fastest Growing Plants in the World
8. Transgenic Eucalyptus

This plant has been artificially developed. It is developed by splicing brassica genes with eucalyptus genes. These grow up to the heights of tall trees, and have the capacity of growing 30% faster than the naturally present trees.
Fastest Growing Plants in the World
7. Heavenly Bamboo

The heavenly bamboo is the only member of the Barberry family which grows quickly. It has the ability to grow up to 7 feet in just 3-4 years. The trees are extremely beautiful and are found in areas with tropical climate. This plant requires little maintenance, and can grow even with scarce food.
Fastest Growing Plants in the World
6. Kudzu

Kudzu is an incredibly beautiful and fast-growing plant. It is capable to add a whole foot every day. Under prime conditions, the plant can grow up to 60 feet in one growing season. It climbs over everything that comes across its way, and even kills the tiny plants. It is native to Japan.
Fastest Growing Plants in the World
5. Acacia

Acacia is another impressively fast-growing tree. It has the ability to grow over 30 feet in only 12-14 months. It is native to Malaysia. These plants certainly grow several inches every day, and are found in the areas with tropical climate. They require sufficient nutrition and rainfall throughout the year.
Fastest Growing Plants in the World

4. Hybrid Poplar

The hybrid poplar is a highly shady plant. It only takes about five years to grow in different directions. These have the ability to grow up to 12 feet in a year. These look very beautiful and impressive. Most of hybrid poplar species have been artificially prepared in zoological laboratories.
Fastest Growing Plants in the World
3. Eastern Cottonwood

The eastern cottonwoods are found in North America. These can grow 10-15 feet per year. These plants have long lifespan, and continue to add 5 feet per year even when they are tiny plants, living in unfavorable conditions.
Fastest Growing Plants in the World

- See more at: http://www.askranker.com/2014/10/top-10-fastest-growing-plants-in-world.html

Nice one and bamboosa vulgaris too

nice job

What about ikong ekpo

Wow! ..Beautiful plants ...especially the ACACIA plant

Yea, Acacia. Saw this online too.