Bamboo is the first fastest~
Giant Hemp
A species of chinese bamboo is the fastest growing plant in the world.
i think the fastest growing plants are Morning Glory and Sunflower ----- Bamboo is the fastest growing plant.
The fastest growing plant in the rainforest is the ash or Alphitonia species. They can grow to be 12 meters tall.
A cactus is really a growing plant.
spider plant
Kelp
it is not second growing but the first growing religion in world.
Hydrilla
yes
HOCKEY :)
Bamboo, a member of the grass family, is the fastest growing plant from the questioner's list.