Last week we discussed the amazing and fast-growing bamboo. This week we are going to discuss another fast-growing plant by the name of hemp. Hemp has been around for over 10,000 years and used during that entire time for various products. Many people associate hemp with marijuana and the psychedelic effects from THC. Although they belong to the same family of cannabis, there is a big difference between industrial hemp and hemp grown for the drug/THC effect. .enen.