This is a curious article. By messing with a single gene, researchers have developed tobacco plants (for biomass fuel) that never blossom, and continue growing forever. The stalks on these plants are 10 cm (~6.25") in diameter!
http://phys.org/news/2013-01-giant-tobacco-young.html
I don't know how this would smoke. Those plants are currently 8 years old, and over 18' tall.
Bob
http://phys.org/news/2013-01-giant-tobacco-young.html
I don't know how this would smoke. Those plants are currently 8 years old, and over 18' tall.
Bob