1.) Roast it in butter or oil in a double boiler for 2 hours and make food (read: brownies) with it (weed on the stalk will do, no specific need for cleaning it)
2.) Get plants in your house for ornamental purposes. They can grow very tall and male plants look extra nice due to the lack of ugly seeds and they live longer too
3.) The leaves can be turned into paper
4.) The leaves can be turned into a bag (you would be going green because your bag would be totally organic)
5.) The leaves can be preserved in frames and hung on walls
and last but not the least:
6.)YOU CAN SELL IT FOR MONEY!!!