Plant Trivia : Fastest growing plant is Bamboo.

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Fastest growing plant is Bamboo.









It is "Bamboo shootｓ" if it would be said more precisely.　
It grows at up to 91 cm (35 in) per day or at a rate of 0.00003 km/h (0.00002 mph) which is listed in Guinness World Record.

The tallest bamboo is the giant bamboo (Dendrocalamus giganteus) of tropical south-east Asia ­ can reach as high as 50 m (164 ft). 
This is also recorded in Guinness. 
Just for your info, Bamboo is a giant grass, not a tree.